./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 13:59:56,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:59:56,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:59:56,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:59:56,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:59:56,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:59:56,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:59:56,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:59:56,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:59:56,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:59:56,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:59:56,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:59:56,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:59:56,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:59:56,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:59:56,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:59:56,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:59:56,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:59:56,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:59:56,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:59:56,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:59:56,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:59:56,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:59:56,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:59:56,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:59:56,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:59:56,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:59:56,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:59:56,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:59:56,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:59:56,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:59:56,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:59:56,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:59:56,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:59:56,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:59:56,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:59:56,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:59:56,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:59:56,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:59:56,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:59:56,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:59:56,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:59:56,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:59:56,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:59:56,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:59:56,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:59:56,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:59:56,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:59:56,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:59:56,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:59:56,640 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:59:56,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:59:56,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:59:56,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:59:56,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:59:56,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:59:56,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:59:56,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:59:56,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:59:56,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:59:56,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:59:56,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:59:56,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:59:56,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:59:56,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:59:56,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:59:56,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:59:56,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:59:56,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:59:56,645 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:59:56,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:59:56,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:59:56,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 [2022-11-21 13:59:57,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:59:57,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:59:57,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:59:57,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:59:57,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:59:57,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-21 14:00:00,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:00:01,125 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:00:01,125 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-21 14:00:01,224 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/data/fbc9b6f24/7633dfe349034c88ad7a60b75a4d9b9a/FLAG98414dae4 [2022-11-21 14:00:01,246 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/data/fbc9b6f24/7633dfe349034c88ad7a60b75a4d9b9a [2022-11-21 14:00:01,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:00:01,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:00:01,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:00:01,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:00:01,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:00:01,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:01" (1/1) ... [2022-11-21 14:00:01,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e893575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:01, skipping insertion in model container [2022-11-21 14:00:01,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:01" (1/1) ... [2022-11-21 14:00:01,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:00:01,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:00:10,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2022-11-21 14:00:10,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2022-11-21 14:00:10,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2022-11-21 14:00:10,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2022-11-21 14:00:10,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2022-11-21 14:00:10,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2022-11-21 14:00:10,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2022-11-21 14:00:10,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2022-11-21 14:00:10,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2022-11-21 14:00:10,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2022-11-21 14:00:10,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2022-11-21 14:00:10,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2022-11-21 14:00:10,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2022-11-21 14:00:10,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2022-11-21 14:00:10,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2022-11-21 14:00:10,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2022-11-21 14:00:10,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2022-11-21 14:00:10,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2022-11-21 14:00:10,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2022-11-21 14:00:10,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2022-11-21 14:00:10,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2022-11-21 14:00:10,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2022-11-21 14:00:10,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2022-11-21 14:00:10,904 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2022-11-21 14:00:10,904 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2022-11-21 14:00:10,905 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2022-11-21 14:00:10,905 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2022-11-21 14:00:10,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2022-11-21 14:00:10,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2022-11-21 14:00:10,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2022-11-21 14:00:10,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2022-11-21 14:00:10,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2022-11-21 14:00:10,920 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2022-11-21 14:00:10,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2022-11-21 14:00:10,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2022-11-21 14:00:10,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2022-11-21 14:00:10,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2022-11-21 14:00:10,924 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2022-11-21 14:00:10,924 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2022-11-21 14:00:10,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2022-11-21 14:00:10,926 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2022-11-21 14:00:10,926 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2022-11-21 14:00:10,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2022-11-21 14:00:10,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2022-11-21 14:00:10,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2022-11-21 14:00:10,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2022-11-21 14:00:10,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2022-11-21 14:00:10,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2022-11-21 14:00:10,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2022-11-21 14:00:10,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2022-11-21 14:00:10,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2022-11-21 14:00:10,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2022-11-21 14:00:10,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2022-11-21 14:00:10,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2022-11-21 14:00:10,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2022-11-21 14:00:10,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2022-11-21 14:00:10,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2022-11-21 14:00:10,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2022-11-21 14:00:10,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2022-11-21 14:00:10,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2022-11-21 14:00:10,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2022-11-21 14:00:10,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2022-11-21 14:00:10,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2022-11-21 14:00:10,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2022-11-21 14:00:10,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2022-11-21 14:00:10,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2022-11-21 14:00:10,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2022-11-21 14:00:10,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2022-11-21 14:00:10,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2022-11-21 14:00:10,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2022-11-21 14:00:10,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2022-11-21 14:00:10,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2022-11-21 14:00:10,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2022-11-21 14:00:10,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2022-11-21 14:00:10,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2022-11-21 14:00:10,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2022-11-21 14:00:10,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2022-11-21 14:00:10,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2022-11-21 14:00:10,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2022-11-21 14:00:10,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2022-11-21 14:00:10,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2022-11-21 14:00:10,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2022-11-21 14:00:10,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2022-11-21 14:00:10,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2022-11-21 14:00:10,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2022-11-21 14:00:10,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2022-11-21 14:00:10,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2022-11-21 14:00:10,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2022-11-21 14:00:10,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:00:11,065 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:00:12,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2022-11-21 14:00:12,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2022-11-21 14:00:12,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2022-11-21 14:00:12,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2022-11-21 14:00:12,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2022-11-21 14:00:12,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2022-11-21 14:00:12,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2022-11-21 14:00:12,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2022-11-21 14:00:12,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2022-11-21 14:00:12,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2022-11-21 14:00:12,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2022-11-21 14:00:12,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2022-11-21 14:00:12,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2022-11-21 14:00:12,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2022-11-21 14:00:12,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2022-11-21 14:00:12,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2022-11-21 14:00:12,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2022-11-21 14:00:12,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2022-11-21 14:00:12,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2022-11-21 14:00:12,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2022-11-21 14:00:12,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2022-11-21 14:00:12,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2022-11-21 14:00:12,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2022-11-21 14:00:12,124 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2022-11-21 14:00:12,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2022-11-21 14:00:12,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2022-11-21 14:00:12,126 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2022-11-21 14:00:12,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2022-11-21 14:00:12,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2022-11-21 14:00:12,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2022-11-21 14:00:12,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2022-11-21 14:00:12,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2022-11-21 14:00:12,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2022-11-21 14:00:12,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2022-11-21 14:00:12,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2022-11-21 14:00:12,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2022-11-21 14:00:12,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2022-11-21 14:00:12,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2022-11-21 14:00:12,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2022-11-21 14:00:12,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2022-11-21 14:00:12,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2022-11-21 14:00:12,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2022-11-21 14:00:12,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2022-11-21 14:00:12,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2022-11-21 14:00:12,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2022-11-21 14:00:12,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2022-11-21 14:00:12,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2022-11-21 14:00:12,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2022-11-21 14:00:12,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2022-11-21 14:00:12,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2022-11-21 14:00:12,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2022-11-21 14:00:12,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2022-11-21 14:00:12,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2022-11-21 14:00:12,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2022-11-21 14:00:12,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2022-11-21 14:00:12,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2022-11-21 14:00:12,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2022-11-21 14:00:12,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2022-11-21 14:00:12,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2022-11-21 14:00:12,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2022-11-21 14:00:12,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2022-11-21 14:00:12,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2022-11-21 14:00:12,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2022-11-21 14:00:12,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2022-11-21 14:00:12,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2022-11-21 14:00:12,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2022-11-21 14:00:12,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2022-11-21 14:00:12,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2022-11-21 14:00:12,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2022-11-21 14:00:12,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2022-11-21 14:00:12,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2022-11-21 14:00:12,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2022-11-21 14:00:12,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2022-11-21 14:00:12,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2022-11-21 14:00:12,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2022-11-21 14:00:12,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2022-11-21 14:00:12,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2022-11-21 14:00:12,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2022-11-21 14:00:12,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2022-11-21 14:00:12,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2022-11-21 14:00:12,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2022-11-21 14:00:12,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2022-11-21 14:00:12,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2022-11-21 14:00:12,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2022-11-21 14:00:12,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2022-11-21 14:00:12,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2022-11-21 14:00:12,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2022-11-21 14:00:12,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2022-11-21 14:00:12,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:00:12,644 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:00:12,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12 WrapperNode [2022-11-21 14:00:12,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:00:12,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:00:12,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:00:12,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:00:12,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:12,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:13,289 INFO L138 Inliner]: procedures = 981, calls = 6465, calls flagged for inlining = 457, calls inlined = 329, statements flattened = 12997 [2022-11-21 14:00:13,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:00:13,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:00:13,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:00:13,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:00:13,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:13,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:13,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:13,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:13,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:13,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:14,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:14,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:14,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:00:14,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:00:14,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:00:14,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:00:14,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (1/1) ... [2022-11-21 14:00:14,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:00:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:00:14,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:00:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683014c8-d405-446c-93b1-bd3f3cbeb8d3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:00:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-11-21 14:00:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-11-21 14:00:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-21 14:00:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-11-21 14:00:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-11-21 14:00:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_DeleteNSEntry [2022-11-21 14:00:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_DeleteNSEntry [2022-11-21 14:00:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__io2vol [2022-11-21 14:00:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__io2vol [2022-11-21 14:00:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 14:00:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 14:00:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dates [2022-11-21 14:00:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dates [2022-11-21 14:00:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_start_request [2022-11-21 14:00:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_start_request [2022-11-21 14:00:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-21 14:00:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-21 14:00:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 14:00:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 14:00:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_info [2022-11-21 14:00:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_info [2022-11-21 14:00:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_write [2022-11-21 14:00:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_write [2022-11-21 14:00:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-11-21 14:00:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-11-21 14:00:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure sign_packet [2022-11-21 14:00:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sign_packet [2022-11-21 14:00:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_mmap_fault [2022-11-21 14:00:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_mmap_fault [2022-11-21 14:00:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_nfs_info [2022-11-21 14:00:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_nfs_info [2022-11-21 14:00:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure grab_cache_page [2022-11-21 14:00:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure grab_cache_page [2022-11-21 14:00:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___1 [2022-11-21 14:00:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___1 [2022-11-21 14:00:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___0 [2022-11-21 14:00:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___0 [2022-11-21 14:00:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_open [2022-11-21 14:00:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_open [2022-11-21 14:00:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 14:00:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 14:00:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-21 14:00:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-21 14:00:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-21 14:00:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-21 14:00:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-21 14:00:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-21 14:00:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 14:00:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 14:00:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 14:00:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 14:00:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 14:00:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ioctl [2022-11-21 14:00:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ioctl [2022-11-21 14:00:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 14:00:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 14:00:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-21 14:00:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-21 14:00:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure iunique [2022-11-21 14:00:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure iunique [2022-11-21 14:00:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_le16 [2022-11-21 14:00:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_le16 [2022-11-21 14:00:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 14:00:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 14:00:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_statfs [2022-11-21 14:00:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_statfs [2022-11-21 14:00:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure assert_server_locked [2022-11-21 14:00:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_server_locked [2022-11-21 14:00:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 14:00:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 14:00:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_write_kernel [2022-11-21 14:00:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_write_kernel [2022-11-21 14:00:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 14:00:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 14:00:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_byte [2022-11-21 14:00:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_byte [2022-11-21 14:00:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 14:00:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-21 14:00:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-21 14:00:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~wchar_t~0~X~$Pointer$~X~int~TO~int [2022-11-21 14:00:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~wchar_t~0~X~$Pointer$~X~int~TO~int [2022-11-21 14:00:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_write [2022-11-21 14:00:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_write [2022-11-21 14:00:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-21 14:00:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-21 14:00:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:00:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_destroy_inode [2022-11-21 14:00:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_destroy_inode [2022-11-21 14:00:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_attrs [2022-11-21 14:00:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_attrs [2022-11-21 14:00:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 14:00:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 14:00:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 14:00:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 14:00:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_destroy [2022-11-21 14:00:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_destroy [2022-11-21 14:00:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-21 14:00:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-21 14:00:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_get_volume_root [2022-11-21 14:00:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_get_volume_root [2022-11-21 14:00:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 14:00:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 14:00:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2022-11-21 14:00:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2022-11-21 14:00:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure unload_nls [2022-11-21 14:00:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure unload_nls [2022-11-21 14:00:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request [2022-11-21 14:00:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request [2022-11-21 14:00:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_dos2unix [2022-11-21 14:00:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_dos2unix [2022-11-21 14:00:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_new_dentry [2022-11-21 14:00:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_new_dentry [2022-11-21 14:00:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-11-21 14:00:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-11-21 14:00:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 14:00:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 14:00:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure nls_tolower [2022-11-21 14:00:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure nls_tolower [2022-11-21 14:00:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:00:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:00:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 14:00:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 14:00:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2022-11-21 14:00:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2022-11-21 14:00:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2022-11-21 14:00:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2022-11-21 14:00:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-21 14:00:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-21 14:00:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2022-11-21 14:00:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2022-11-21 14:00:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 14:00:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2022-11-21 14:00:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2022-11-21 14:00:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-21 14:00:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-21 14:00:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 14:00:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_146 [2022-11-21 14:00:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_146 [2022-11-21 14:00:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_rmdir [2022-11-21 14:00:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_rmdir [2022-11-21 14:00:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-21 14:00:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-21 14:00:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_read [2022-11-21 14:00:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_read [2022-11-21 14:00:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-11-21 14:00:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-11-21 14:00:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2022-11-21 14:00:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2022-11-21 14:00:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_compat_ioctl [2022-11-21 14:00:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_compat_ioctl [2022-11-21 14:00:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure WSET_LH [2022-11-21 14:00:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure WSET_LH [2022-11-21 14:00:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 14:00:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 14:00:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure setattr_copy [2022-11-21 14:00:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setattr_copy [2022-11-21 14:00:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-21 14:00:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-21 14:00:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-21 14:00:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-21 14:00:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 14:00:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 14:00:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_data [2022-11-21 14:00:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_data [2022-11-21 14:00:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:00:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 14:00:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 14:00:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 14:00:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 14:00:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 14:00:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-21 14:00:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-21 14:00:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_d_prune [2022-11-21 14:00:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_d_prune [2022-11-21 14:00:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2022-11-21 14:00:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2022-11-21 14:00:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_byte [2022-11-21 14:00:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_byte [2022-11-21 14:00:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_header [2022-11-21 14:00:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_header [2022-11-21 14:00:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_get_page [2022-11-21 14:00:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_get_page [2022-11-21 14:00:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_mem [2022-11-21 14:00:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_mem [2022-11-21 14:00:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure kill_anon_super [2022-11-21 14:00:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_anon_super [2022-11-21 14:00:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2022-11-21 14:00:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2022-11-21 14:00:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_server_root [2022-11-21 14:00:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_server_root [2022-11-21 14:00:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_nfs_extras [2022-11-21 14:00:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_nfs_extras [2022-11-21 14:00:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_release [2022-11-21 14:00:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_release [2022-11-21 14:00:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 14:00:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 14:00:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure ncpdgram_send [2022-11-21 14:00:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ncpdgram_send [2022-11-21 14:00:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 14:00:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 14:00:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-21 14:00:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-21 14:00:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close [2022-11-21 14:00:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close [2022-11-21 14:00:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_FINFO [2022-11-21 14:00:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_FINFO [2022-11-21 14:00:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__vol2io [2022-11-21 14:00:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__vol2io [2022-11-21 14:00:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2022-11-21 14:00:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2022-11-21 14:00:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_RenameNSEntry [2022-11-21 14:00:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_RenameNSEntry [2022-11-21 14:00:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2022-11-21 14:00:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2022-11-21 14:00:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-21 14:00:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-21 14:00:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_notify_change [2022-11-21 14:00:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_notify_change [2022-11-21 14:00:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_75 [2022-11-21 14:00:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_75 [2022-11-21 14:00:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword [2022-11-21 14:00:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword [2022-11-21 14:00:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-21 14:00:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-21 14:00:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 14:00:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure mark_inode_dirty [2022-11-21 14:00:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_inode_dirty [2022-11-21 14:00:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode [2022-11-21 14:00:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode [2022-11-21 14:00:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir [2022-11-21 14:00:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir [2022-11-21 14:00:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 14:00:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 14:00:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_create_new [2022-11-21 14:00:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_create_new [2022-11-21 14:00:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-21 14:00:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-21 14:00:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-21 14:00:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-21 14:00:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request [2022-11-21 14:00:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request [2022-11-21 14:00:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2022-11-21 14:00:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2022-11-21 14:00:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-21 14:00:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-21 14:00:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-21 14:00:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-21 14:00:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_SBP [2022-11-21 14:00:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_SBP [2022-11-21 14:00:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-11-21 14:00:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2022-11-21 14:00:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_hash_dentry [2022-11-21 14:00:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_hash_dentry [2022-11-21 14:00:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls_default [2022-11-21 14:00:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls_default [2022-11-21 14:00:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 14:00:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 14:00:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_open_create_file_or_subdir [2022-11-21 14:00:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_open_create_file_or_subdir [2022-11-21 14:00:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 14:00:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 14:00:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 14:00:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 14:00:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 14:00:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 14:00:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure WVAL_LH___0 [2022-11-21 14:00:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure WVAL_LH___0 [2022-11-21 14:00:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure d_rehash [2022-11-21 14:00:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure d_rehash [2022-11-21 14:00:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_evict_inode [2022-11-21 14:00:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_evict_inode [2022-11-21 14:00:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_show_options [2022-11-21 14:00:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_show_options [2022-11-21 14:00:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-21 14:00:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-21 14:00:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 14:00:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 14:00:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure generic_file_llseek [2022-11-21 14:00:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_file_llseek [2022-11-21 14:00:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_before_release_sock [2022-11-21 14:00:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_before_release_sock [2022-11-21 14:00:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_be16 [2022-11-21 14:00:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_be16 [2022-11-21 14:00:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_closed [2022-11-21 14:00:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_closed [2022-11-21 14:00:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 14:00:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 14:00:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir2 [2022-11-21 14:00:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir2 [2022-11-21 14:00:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_nfs_info [2022-11-21 14:00:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_nfs_info [2022-11-21 14:00:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_case_sensitive [2022-11-21 14:00:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_case_sensitive [2022-11-21 14:00:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 14:00:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 14:00:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-21 14:00:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-21 14:00:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2022-11-21 14:00:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2022-11-21 14:00:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:00:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~loff_t~0~X~~u64~0~X~int~TO~int [2022-11-21 14:00:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~loff_t~0~X~~u64~0~X~int~TO~int [2022-11-21 14:00:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_abort_request [2022-11-21 14:00:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_abort_request [2022-11-21 14:00:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-11-21 14:00:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-11-21 14:00:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-21 14:00:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_word [2022-11-21 14:00:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_word [2022-11-21 14:00:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword_lh [2022-11-21 14:00:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword_lh [2022-11-21 14:00:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 14:00:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_do_request [2022-11-21 14:00:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_do_request [2022-11-21 14:00:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 14:00:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 14:00:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close___3 [2022-11-21 14:00:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close___3 [2022-11-21 14:00:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 14:00:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_unix2dos [2022-11-21 14:00:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_unix2dos [2022-11-21 14:00:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-21 14:00:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-21 14:00:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-21 14:00:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-21 14:00:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 14:00:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 14:00:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ren_or_mov_file_or_subdir [2022-11-21 14:00:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ren_or_mov_file_or_subdir [2022-11-21 14:00:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 14:00:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 14:00:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-21 14:00:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-21 14:00:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2022-11-21 14:00:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2022-11-21 14:00:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request2 [2022-11-21 14:00:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request2 [2022-11-21 14:00:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 14:00:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 14:00:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request_s [2022-11-21 14:00:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request_s [2022-11-21 14:00:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-21 14:00:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-21 14:00:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 14:00:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 14:00:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lock_server [2022-11-21 14:00:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lock_server [2022-11-21 14:00:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure DSET_LH [2022-11-21 14:00:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure DSET_LH [2022-11-21 14:00:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_close_file [2022-11-21 14:00:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_close_file [2022-11-21 14:00:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure nwsign [2022-11-21 14:00:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nwsign [2022-11-21 14:00:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-21 14:00:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-21 14:00:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_known_namespace [2022-11-21 14:00:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_known_namespace [2022-11-21 14:00:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls [2022-11-21 14:00:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls [2022-11-21 14:00:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__double_release [2022-11-21 14:00:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__double_release [2022-11-21 14:00:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH___0 [2022-11-21 14:00:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH___0 [2022-11-21 14:00:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_readdir [2022-11-21 14:00:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_readdir [2022-11-21 14:00:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 14:00:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 14:00:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-21 14:00:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-21 14:00:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_read_kernel [2022-11-21 14:00:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_read_kernel [2022-11-21 14:00:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-21 14:00:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-21 14:00:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure rol32 [2022-11-21 14:00:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rol32 [2022-11-21 14:00:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 14:00:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 14:00:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 14:00:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-21 14:00:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-21 14:00:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 14:00:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 14:00:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_disconnect [2022-11-21 14:00:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_disconnect [2022-11-21 14:00:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure inode_permission [2022-11-21 14:00:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure inode_permission [2022-11-21 14:00:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_extract_file_info [2022-11-21 14:00:14,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_extract_file_info [2022-11-21 14:00:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_file_or_subdir_dos_info_path [2022-11-21 14:00:14,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_file_or_subdir_dos_info_path [2022-11-21 14:00:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_put_super [2022-11-21 14:00:14,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_put_super [2022-11-21 14:00:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lookup_volume [2022-11-21 14:00:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lookup_volume [2022-11-21 14:00:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure __ncptcp_try_send [2022-11-21 14:00:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncptcp_try_send [2022-11-21 14:00:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-21 14:00:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-21 14:00:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 14:00:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 14:00:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_mmap [2022-11-21 14:00:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_mmap [2022-11-21 14:00:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be16 [2022-11-21 14:00:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be16 [2022-11-21 14:00:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure do_send [2022-11-21 14:00:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure do_send [2022-11-21 14:00:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-21 14:00:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-21 14:00:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_pstring [2022-11-21 14:00:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_pstring [2022-11-21 14:00:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2022-11-21 14:00:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2022-11-21 14:00:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-11-21 14:00:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-11-21 14:00:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_mtime [2022-11-21 14:00:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_mtime [2022-11-21 14:00:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlink [2022-11-21 14:00:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlink [2022-11-21 14:00:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword [2022-11-21 14:00:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword [2022-11-21 14:00:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-21 14:00:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-21 14:00:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure file_accessed [2022-11-21 14:00:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure file_accessed [2022-11-21 14:00:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-21 14:00:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-21 14:00:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_age_dentry [2022-11-21 14:00:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_age_dentry [2022-11-21 14:00:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_handle_path [2022-11-21 14:00:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_handle_path [2022-11-21 14:00:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-21 14:00:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-21 14:00:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-21 14:00:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-21 14:00:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 14:00:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 14:00:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 14:00:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-21 14:00:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-21 14:00:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 14:00:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 14:00:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_iget [2022-11-21 14:00:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_iget [2022-11-21 14:00:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 14:00:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 14:00:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_fill_cache [2022-11-21 14:00:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_fill_cache [2022-11-21 14:00:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_stop_tasks [2022-11-21 14:00:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_stop_tasks [2022-11-21 14:00:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dirent [2022-11-21 14:00:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dirent [2022-11-21 14:00:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_instantiate [2022-11-21 14:00:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_instantiate [2022-11-21 14:00:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_single_volume [2022-11-21 14:00:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_single_volume [2022-11-21 14:00:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_symlink_readpage [2022-11-21 14:00:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_symlink_readpage [2022-11-21 14:00:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-21 14:00:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-21 14:00:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH [2022-11-21 14:00:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH [2022-11-21 14:00:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-21 14:00:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-21 14:00:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_74 [2022-11-21 14:00:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_74 [2022-11-21 14:00:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword_lh [2022-11-21 14:00:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword_lh [2022-11-21 14:00:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 14:00:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 14:00:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 14:00:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 14:00:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2022-11-21 14:00:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2022-11-21 14:00:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 14:00:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 14:00:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2022-11-21 14:00:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2022-11-21 14:00:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-11-21 14:00:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-11-21 14:00:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 14:00:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 14:00:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_req_put [2022-11-21 14:00:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_req_put [2022-11-21 14:00:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 14:00:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 14:00:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 14:00:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 14:00:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_conn_valid [2022-11-21 14:00:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_conn_valid [2022-11-21 14:00:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 14:00:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 14:00:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 14:00:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 14:00:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be32 [2022-11-21 14:00:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be32 [2022-11-21 14:00:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2022-11-21 14:00:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2022-11-21 14:00:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_finish_request [2022-11-21 14:00:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_finish_request [2022-11-21 14:00:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 14:00:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 14:00:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode2 [2022-11-21 14:00:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode2 [2022-11-21 14:00:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 14:00:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 14:00:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:00:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-11-21 14:00:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-11-21 14:00:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-21 14:00:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlock_server [2022-11-21 14:00:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlock_server [2022-11-21 14:00:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-21 14:00:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-21 14:00:15,967 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:00:15,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:00:16,247 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 14:00:30,069 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:00:30,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:00:30,105 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-21 14:00:30,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:30 BoogieIcfgContainer [2022-11-21 14:00:30,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:00:30,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:00:30,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:00:30,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:00:30,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:00:01" (1/3) ... [2022-11-21 14:00:30,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372669e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:30, skipping insertion in model container [2022-11-21 14:00:30,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:12" (2/3) ... [2022-11-21 14:00:30,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372669e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:30, skipping insertion in model container [2022-11-21 14:00:30,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:30" (3/3) ... [2022-11-21 14:00:30,129 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-21 14:00:30,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:00:30,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-21 14:00:30,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:00:30,309 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a2c09cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:00:30,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-21 14:00:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 4353 states, 2816 states have (on average 1.3004261363636365) internal successors, (3662), 2908 states have internal predecessors, (3662), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-11-21 14:00:30,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 14:00:30,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:30,338 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:00:30,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:00:30,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1524338537, now seen corresponding path program 1 times [2022-11-21 14:00:30,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:30,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592849169] [2022-11-21 14:00:30,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:30,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:00:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:00:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:00:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 14:00:31,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:31,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592849169] [2022-11-21 14:00:31,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592849169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:31,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:31,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:00:31,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310127099] [2022-11-21 14:00:31,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:31,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:00:31,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:00:31,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:00:31,562 INFO L87 Difference]: Start difference. First operand has 4353 states, 2816 states have (on average 1.3004261363636365) internal successors, (3662), 2908 states have internal predecessors, (3662), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:00:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:00:53,216 INFO L93 Difference]: Finished difference Result 9423 states and 13980 transitions. [2022-11-21 14:00:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:00:53,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-11-21 14:00:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:00:53,273 INFO L225 Difference]: With dead ends: 9423 [2022-11-21 14:00:53,274 INFO L226 Difference]: Without dead ends: 5059 [2022-11-21 14:00:53,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:00:53,311 INFO L413 NwaCegarLoop]: 5391 mSDtfsCounter, 2221 mSDsluCounter, 11241 mSDsCounter, 0 mSdLazyCounter, 6388 mSolverCounterSat, 1766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 16632 SdHoareTripleChecker+Invalid, 8154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 6388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-21 14:00:53,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 16632 Invalid, 8154 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1766 Valid, 6388 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2022-11-21 14:00:53,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2022-11-21 14:00:53,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 4271. [2022-11-21 14:00:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4271 states, 2757 states have (on average 1.269133115705477) internal successors, (3499), 2833 states have internal predecessors, (3499), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:00:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 4271 states and 5971 transitions. [2022-11-21 14:00:53,696 INFO L78 Accepts]: Start accepts. Automaton has 4271 states and 5971 transitions. Word has length 46 [2022-11-21 14:00:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:00:53,698 INFO L495 AbstractCegarLoop]: Abstraction has 4271 states and 5971 transitions. [2022-11-21 14:00:53,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:00:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 4271 states and 5971 transitions. [2022-11-21 14:00:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 14:00:53,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:53,701 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:00:53,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:00:53,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:00:53,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:53,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1383789927, now seen corresponding path program 1 times [2022-11-21 14:00:53,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:53,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266643769] [2022-11-21 14:00:53,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:53,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:00:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:00:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:00:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 14:00:54,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:54,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266643769] [2022-11-21 14:00:54,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266643769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:54,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:54,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:00:54,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364199444] [2022-11-21 14:00:54,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:54,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:00:54,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:54,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:00:54,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:00:54,477 INFO L87 Difference]: Start difference. First operand 4271 states and 5971 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:01:12,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:12,850 INFO L93 Difference]: Finished difference Result 4423 states and 6228 transitions. [2022-11-21 14:01:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:01:12,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-11-21 14:01:12,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:12,881 INFO L225 Difference]: With dead ends: 4423 [2022-11-21 14:01:12,881 INFO L226 Difference]: Without dead ends: 4421 [2022-11-21 14:01:12,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:01:12,886 INFO L413 NwaCegarLoop]: 4718 mSDtfsCounter, 5883 mSDsluCounter, 6552 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 2174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6637 SdHoareTripleChecker+Valid, 11270 SdHoareTripleChecker+Invalid, 6442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2174 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:12,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6637 Valid, 11270 Invalid, 6442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2174 Valid, 4268 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2022-11-21 14:01:12,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2022-11-21 14:01:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4269. [2022-11-21 14:01:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4269 states, 2756 states have (on average 1.2688679245283019) internal successors, (3497), 2831 states have internal predecessors, (3497), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:01:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 5969 transitions. [2022-11-21 14:01:13,180 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 5969 transitions. Word has length 46 [2022-11-21 14:01:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:13,181 INFO L495 AbstractCegarLoop]: Abstraction has 4269 states and 5969 transitions. [2022-11-21 14:01:13,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:01:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 5969 transitions. [2022-11-21 14:01:13,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 14:01:13,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:13,191 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:01:13,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:01:13,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:01:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1384604295, now seen corresponding path program 1 times [2022-11-21 14:01:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026908844] [2022-11-21 14:01:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:13,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:01:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:01:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:01:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 14:01:13,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:13,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026908844] [2022-11-21 14:01:13,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026908844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:13,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:13,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:01:13,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582161941] [2022-11-21 14:01:13,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:13,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:01:13,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:13,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:01:13,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:01:13,769 INFO L87 Difference]: Start difference. First operand 4269 states and 5969 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:01:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:29,854 INFO L93 Difference]: Finished difference Result 4421 states and 6226 transitions. [2022-11-21 14:01:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:01:29,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2022-11-21 14:01:29,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:29,882 INFO L225 Difference]: With dead ends: 4421 [2022-11-21 14:01:29,882 INFO L226 Difference]: Without dead ends: 4419 [2022-11-21 14:01:29,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:01:29,885 INFO L413 NwaCegarLoop]: 4748 mSDtfsCounter, 5843 mSDsluCounter, 6584 mSDsCounter, 0 mSdLazyCounter, 4269 mSolverCounterSat, 2174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6595 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 6443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2174 IncrementalHoareTripleChecker+Valid, 4269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:29,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6595 Valid, 11332 Invalid, 6443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2174 Valid, 4269 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2022-11-21 14:01:29,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2022-11-21 14:01:30,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 4267. [2022-11-21 14:01:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 2755 states have (on average 1.2686025408348458) internal successors, (3495), 2829 states have internal predecessors, (3495), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:01:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 5967 transitions. [2022-11-21 14:01:30,131 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 5967 transitions. Word has length 49 [2022-11-21 14:01:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:30,133 INFO L495 AbstractCegarLoop]: Abstraction has 4267 states and 5967 transitions. [2022-11-21 14:01:30,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:01:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 5967 transitions. [2022-11-21 14:01:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 14:01:30,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:30,138 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:01:30,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:01:30,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:01:30,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:30,140 INFO L85 PathProgramCache]: Analyzing trace with hash 124374309, now seen corresponding path program 1 times [2022-11-21 14:01:30,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:30,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579626934] [2022-11-21 14:01:30,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:30,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:01:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:01:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:01:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 14:01:30,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:30,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579626934] [2022-11-21 14:01:30,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579626934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:30,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:30,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:01:30,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678764429] [2022-11-21 14:01:30,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:30,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:01:30,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:30,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:01:30,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:01:30,638 INFO L87 Difference]: Start difference. First operand 4267 states and 5967 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:01:46,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:46,413 INFO L93 Difference]: Finished difference Result 4419 states and 6224 transitions. [2022-11-21 14:01:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:01:46,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2022-11-21 14:01:46,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:46,441 INFO L225 Difference]: With dead ends: 4419 [2022-11-21 14:01:46,441 INFO L226 Difference]: Without dead ends: 4417 [2022-11-21 14:01:46,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:01:46,446 INFO L413 NwaCegarLoop]: 4745 mSDtfsCounter, 5831 mSDsluCounter, 6579 mSDsCounter, 0 mSdLazyCounter, 4270 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6585 SdHoareTripleChecker+Valid, 11324 SdHoareTripleChecker+Invalid, 6446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:46,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6585 Valid, 11324 Invalid, 6446 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4270 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-11-21 14:01:46,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2022-11-21 14:01:46,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4265. [2022-11-21 14:01:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4265 states, 2754 states have (on average 1.268336964415396) internal successors, (3493), 2827 states have internal predecessors, (3493), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:01:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 4265 states and 5965 transitions. [2022-11-21 14:01:46,773 INFO L78 Accepts]: Start accepts. Automaton has 4265 states and 5965 transitions. Word has length 52 [2022-11-21 14:01:46,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:46,774 INFO L495 AbstractCegarLoop]: Abstraction has 4265 states and 5965 transitions. [2022-11-21 14:01:46,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:01:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4265 states and 5965 transitions. [2022-11-21 14:01:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 14:01:46,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:46,775 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:01:46,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:01:46,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:01:46,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1316709243, now seen corresponding path program 1 times [2022-11-21 14:01:46,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:46,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602016390] [2022-11-21 14:01:46,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:46,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:01:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:01:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:01:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 14:01:47,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:47,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602016390] [2022-11-21 14:01:47,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602016390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:47,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:47,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:01:47,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042712548] [2022-11-21 14:01:47,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:47,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:01:47,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:01:47,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:01:47,341 INFO L87 Difference]: Start difference. First operand 4265 states and 5965 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:02:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:02:02,228 INFO L93 Difference]: Finished difference Result 4417 states and 6222 transitions. [2022-11-21 14:02:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:02:02,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-11-21 14:02:02,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:02:02,252 INFO L225 Difference]: With dead ends: 4417 [2022-11-21 14:02:02,252 INFO L226 Difference]: Without dead ends: 4415 [2022-11-21 14:02:02,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:02:02,255 INFO L413 NwaCegarLoop]: 4747 mSDtfsCounter, 5819 mSDsluCounter, 6583 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6571 SdHoareTripleChecker+Valid, 11330 SdHoareTripleChecker+Invalid, 6447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-21 14:02:02,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6571 Valid, 11330 Invalid, 6447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4271 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2022-11-21 14:02:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4415 states. [2022-11-21 14:02:02,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4415 to 4263. [2022-11-21 14:02:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4263 states, 2753 states have (on average 1.2680711950599346) internal successors, (3491), 2825 states have internal predecessors, (3491), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:02:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 4263 states and 5963 transitions. [2022-11-21 14:02:02,528 INFO L78 Accepts]: Start accepts. Automaton has 4263 states and 5963 transitions. Word has length 55 [2022-11-21 14:02:02,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:02:02,530 INFO L495 AbstractCegarLoop]: Abstraction has 4263 states and 5963 transitions. [2022-11-21 14:02:02,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:02:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 5963 transitions. [2022-11-21 14:02:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-21 14:02:02,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:02:02,532 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:02:02,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:02:02,533 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:02:02,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:02:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1809078295, now seen corresponding path program 1 times [2022-11-21 14:02:02,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:02:02,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034941379] [2022-11-21 14:02:02,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:02:02,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:02:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:02:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:02:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:02:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:02:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:02:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:02:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:02:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:02:03,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:02:03,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034941379] [2022-11-21 14:02:03,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034941379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:02:03,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:02:03,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:02:03,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939946539] [2022-11-21 14:02:03,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:02:03,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:02:03,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:02:03,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:02:03,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:02:03,121 INFO L87 Difference]: Start difference. First operand 4263 states and 5963 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 14:02:39,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:40,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:02:40,523 INFO L93 Difference]: Finished difference Result 4417 states and 6223 transitions. [2022-11-21 14:02:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:02:40,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 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 65 [2022-11-21 14:02:40,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:02:40,544 INFO L225 Difference]: With dead ends: 4417 [2022-11-21 14:02:40,544 INFO L226 Difference]: Without dead ends: 4415 [2022-11-21 14:02:40,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:02:40,547 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 10948 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13540 mSolverCounterSat, 8239 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11213 SdHoareTripleChecker+Valid, 3712 SdHoareTripleChecker+Invalid, 21780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8239 IncrementalHoareTripleChecker+Valid, 13540 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:02:40,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11213 Valid, 3712 Invalid, 21780 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8239 Valid, 13540 Invalid, 1 Unknown, 0 Unchecked, 36.6s Time] [2022-11-21 14:02:40,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4415 states. [2022-11-21 14:02:40,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4415 to 4261. [2022-11-21 14:02:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4261 states, 2752 states have (on average 1.2678052325581395) internal successors, (3489), 2823 states have internal predecessors, (3489), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:02:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 4261 states and 5961 transitions. [2022-11-21 14:02:40,875 INFO L78 Accepts]: Start accepts. Automaton has 4261 states and 5961 transitions. Word has length 65 [2022-11-21 14:02:40,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:02:40,876 INFO L495 AbstractCegarLoop]: Abstraction has 4261 states and 5961 transitions. [2022-11-21 14:02:40,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 14:02:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 5961 transitions. [2022-11-21 14:02:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 14:02:40,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:02:40,877 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:02:40,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 14:02:40,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:02:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:02:40,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1078456894, now seen corresponding path program 1 times [2022-11-21 14:02:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:02:40,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174284027] [2022-11-21 14:02:40,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:02:40,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:02:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:02:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:02:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:02:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:02:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:02:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:02:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:02:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:02:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:02:41,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:02:41,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174284027] [2022-11-21 14:02:41,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174284027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:02:41,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:02:41,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:02:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166220897] [2022-11-21 14:02:41,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:02:41,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:02:41,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:02:41,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:02:41,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:02:41,419 INFO L87 Difference]: Start difference. First operand 4261 states and 5961 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 14:03:19,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:19,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:19,900 INFO L93 Difference]: Finished difference Result 4415 states and 6221 transitions. [2022-11-21 14:03:19,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:03:19,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 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 71 [2022-11-21 14:03:19,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:19,921 INFO L225 Difference]: With dead ends: 4415 [2022-11-21 14:03:19,921 INFO L226 Difference]: Without dead ends: 4413 [2022-11-21 14:03:19,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:03:19,924 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 10856 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13576 mSolverCounterSat, 8251 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11121 SdHoareTripleChecker+Valid, 3711 SdHoareTripleChecker+Invalid, 21828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8251 IncrementalHoareTripleChecker+Valid, 13576 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:19,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11121 Valid, 3711 Invalid, 21828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8251 Valid, 13576 Invalid, 1 Unknown, 0 Unchecked, 37.6s Time] [2022-11-21 14:03:19,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2022-11-21 14:03:20,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4259. [2022-11-21 14:03:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4259 states, 2751 states have (on average 1.2675390766993822) internal successors, (3487), 2821 states have internal predecessors, (3487), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:03:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 4259 states and 5959 transitions. [2022-11-21 14:03:20,276 INFO L78 Accepts]: Start accepts. Automaton has 4259 states and 5959 transitions. Word has length 71 [2022-11-21 14:03:20,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:20,277 INFO L495 AbstractCegarLoop]: Abstraction has 4259 states and 5959 transitions. [2022-11-21 14:03:20,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 14:03:20,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4259 states and 5959 transitions. [2022-11-21 14:03:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 14:03:20,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:20,279 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:20,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 14:03:20,280 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:03:20,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:20,280 INFO L85 PathProgramCache]: Analyzing trace with hash 952955443, now seen corresponding path program 1 times [2022-11-21 14:03:20,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:20,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190490906] [2022-11-21 14:03:20,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:03:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:03:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:03:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:03:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:03:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:03:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:03:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:03:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:03:20,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:20,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190490906] [2022-11-21 14:03:20,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190490906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:20,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:20,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:03:20,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404575957] [2022-11-21 14:03:20,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:20,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:03:20,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:03:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:20,913 INFO L87 Difference]: Start difference. First operand 4259 states and 5959 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 14:03:58,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:59,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:59,086 INFO L93 Difference]: Finished difference Result 4413 states and 6219 transitions. [2022-11-21 14:03:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:03:59,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 5 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 77 [2022-11-21 14:03:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:59,102 INFO L225 Difference]: With dead ends: 4413 [2022-11-21 14:03:59,102 INFO L226 Difference]: Without dead ends: 4411 [2022-11-21 14:03:59,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:03:59,104 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10932 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13528 mSolverCounterSat, 8249 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11194 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 21778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8249 IncrementalHoareTripleChecker+Valid, 13528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:59,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11194 Valid, 3713 Invalid, 21778 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8249 Valid, 13528 Invalid, 1 Unknown, 0 Unchecked, 37.3s Time] [2022-11-21 14:03:59,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4411 states. [2022-11-21 14:03:59,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4411 to 4257. [2022-11-21 14:03:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4257 states, 2750 states have (on average 1.2672727272727273) internal successors, (3485), 2819 states have internal predecessors, (3485), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-21 14:03:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 4257 states and 5957 transitions. [2022-11-21 14:03:59,399 INFO L78 Accepts]: Start accepts. Automaton has 4257 states and 5957 transitions. Word has length 77 [2022-11-21 14:03:59,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:59,399 INFO L495 AbstractCegarLoop]: Abstraction has 4257 states and 5957 transitions. [2022-11-21 14:03:59,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 14:03:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4257 states and 5957 transitions. [2022-11-21 14:03:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 14:03:59,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:59,401 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-21 14:03:59,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 14:03:59,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:03:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:59,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1878280970, now seen corresponding path program 1 times [2022-11-21 14:03:59,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:59,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075475684] [2022-11-21 14:03:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:59,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:04:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:04:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:04:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-21 14:04:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:04:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 14:04:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:04:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:00,632 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-21 14:04:00,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:00,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075475684] [2022-11-21 14:04:00,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075475684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:00,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:00,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:04:00,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998099214] [2022-11-21 14:04:00,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:00,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:04:00,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:00,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:04:00,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:04:00,635 INFO L87 Difference]: Start difference. First operand 4257 states and 5957 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 14:04:35,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:35,017 INFO L93 Difference]: Finished difference Result 12863 states and 18110 transitions. [2022-11-21 14:04:35,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:04:35,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 84 [2022-11-21 14:04:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:35,056 INFO L225 Difference]: With dead ends: 12863 [2022-11-21 14:04:35,056 INFO L226 Difference]: Without dead ends: 8617 [2022-11-21 14:04:35,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-21 14:04:35,078 INFO L413 NwaCegarLoop]: 5867 mSDtfsCounter, 6782 mSDsluCounter, 20771 mSDsCounter, 0 mSdLazyCounter, 15771 mSolverCounterSat, 3659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7646 SdHoareTripleChecker+Valid, 26638 SdHoareTripleChecker+Invalid, 19430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3659 IncrementalHoareTripleChecker+Valid, 15771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:35,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7646 Valid, 26638 Invalid, 19430 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3659 Valid, 15771 Invalid, 0 Unknown, 0 Unchecked, 32.9s Time] [2022-11-21 14:04:35,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8617 states. [2022-11-21 14:04:35,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8617 to 8125. [2022-11-21 14:04:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8125 states, 5263 states have (on average 1.2722781683450504) internal successors, (6696), 5372 states have internal predecessors, (6696), 2382 states have call successors, (2382), 453 states have call predecessors, (2382), 453 states have return successors, (2396), 2353 states have call predecessors, (2396), 2380 states have call successors, (2396) [2022-11-21 14:04:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8125 states to 8125 states and 11474 transitions. [2022-11-21 14:04:35,878 INFO L78 Accepts]: Start accepts. Automaton has 8125 states and 11474 transitions. Word has length 84 [2022-11-21 14:04:35,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:35,879 INFO L495 AbstractCegarLoop]: Abstraction has 8125 states and 11474 transitions. [2022-11-21 14:04:35,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 14:04:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 8125 states and 11474 transitions. [2022-11-21 14:04:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 14:04:35,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:35,881 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:35,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 14:04:35,881 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:04:35,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:35,882 INFO L85 PathProgramCache]: Analyzing trace with hash -844280469, now seen corresponding path program 1 times [2022-11-21 14:04:35,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:35,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495370708] [2022-11-21 14:04:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:35,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:04:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:04:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:04:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:04:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:04:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:04:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:04:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:04:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:04:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:04:36,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:36,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495370708] [2022-11-21 14:04:36,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495370708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:36,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:36,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:04:36,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583487830] [2022-11-21 14:04:36,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:36,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:04:36,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:04:36,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:04:36,541 INFO L87 Difference]: Start difference. First operand 8125 states and 11474 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 14:05:15,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:17,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:19,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:20,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:05:20,437 INFO L93 Difference]: Finished difference Result 8423 states and 11962 transitions. [2022-11-21 14:05:20,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:05:20,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 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 83 [2022-11-21 14:05:20,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:05:20,470 INFO L225 Difference]: With dead ends: 8423 [2022-11-21 14:05:20,471 INFO L226 Difference]: Without dead ends: 8421 [2022-11-21 14:05:20,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 14:05:20,475 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 10842 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 13587 mSolverCounterSat, 8242 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11103 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 21830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8242 IncrementalHoareTripleChecker+Valid, 13587 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.5s IncrementalHoareTripleChecker+Time [2022-11-21 14:05:20,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11103 Valid, 3705 Invalid, 21830 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8242 Valid, 13587 Invalid, 1 Unknown, 0 Unchecked, 42.5s Time] [2022-11-21 14:05:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8421 states. [2022-11-21 14:05:21,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8421 to 8123. [2022-11-21 14:05:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8123 states, 5262 states have (on average 1.2721398707715696) internal successors, (6694), 5370 states have internal predecessors, (6694), 2382 states have call successors, (2382), 453 states have call predecessors, (2382), 453 states have return successors, (2396), 2353 states have call predecessors, (2396), 2380 states have call successors, (2396) [2022-11-21 14:05:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8123 states to 8123 states and 11472 transitions. [2022-11-21 14:05:21,255 INFO L78 Accepts]: Start accepts. Automaton has 8123 states and 11472 transitions. Word has length 83 [2022-11-21 14:05:21,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:05:21,256 INFO L495 AbstractCegarLoop]: Abstraction has 8123 states and 11472 transitions. [2022-11-21 14:05:21,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 14:05:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 8123 states and 11472 transitions. [2022-11-21 14:05:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 14:05:21,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:05:21,258 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:05:21,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 14:05:21,259 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:05:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:05:21,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1524330095, now seen corresponding path program 1 times [2022-11-21 14:05:21,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:05:21,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433686327] [2022-11-21 14:05:21,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:05:21,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:05:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:05:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:05:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:05:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:05:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:05:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:05:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:05:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:05:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:05:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:05:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:05:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:05:21,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:05:21,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433686327] [2022-11-21 14:05:21,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433686327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:05:21,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:05:21,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:05:21,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611764301] [2022-11-21 14:05:21,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:05:21,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:05:21,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:05:21,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:05:21,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:05:21,876 INFO L87 Difference]: Start difference. First operand 8123 states and 11472 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 14:06:03,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:06:04,293 INFO L93 Difference]: Finished difference Result 8425 states and 11966 transitions. [2022-11-21 14:06:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:06:04,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 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 89 [2022-11-21 14:06:04,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:06:04,337 INFO L225 Difference]: With dead ends: 8425 [2022-11-21 14:06:04,337 INFO L226 Difference]: Without dead ends: 8423 [2022-11-21 14:06:04,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:06:04,343 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10910 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13524 mSolverCounterSat, 8249 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11170 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 21774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8249 IncrementalHoareTripleChecker+Valid, 13524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:06:04,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11170 Valid, 3713 Invalid, 21774 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8249 Valid, 13524 Invalid, 1 Unknown, 0 Unchecked, 40.9s Time] [2022-11-21 14:06:04,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8423 states. [2022-11-21 14:06:05,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8423 to 8121. [2022-11-21 14:06:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8121 states, 5261 states have (on average 1.2720015206234556) internal successors, (6692), 5368 states have internal predecessors, (6692), 2382 states have call successors, (2382), 453 states have call predecessors, (2382), 453 states have return successors, (2396), 2353 states have call predecessors, (2396), 2380 states have call successors, (2396) [2022-11-21 14:06:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8121 states to 8121 states and 11470 transitions. [2022-11-21 14:06:05,243 INFO L78 Accepts]: Start accepts. Automaton has 8121 states and 11470 transitions. Word has length 89 [2022-11-21 14:06:05,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:06:05,243 INFO L495 AbstractCegarLoop]: Abstraction has 8121 states and 11470 transitions. [2022-11-21 14:06:05,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 14:06:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 8121 states and 11470 transitions. [2022-11-21 14:06:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-21 14:06:05,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:06:05,247 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:06:05,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 14:06:05,248 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:06:05,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:06:05,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1223027478, now seen corresponding path program 1 times [2022-11-21 14:06:05,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:06:05,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152806483] [2022-11-21 14:06:05,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:06:05,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:06:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:06:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:06:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:06:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:06:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:06:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:06:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:06:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:06:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:06:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:06:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:06:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 14:06:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:06:05,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:06:05,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152806483] [2022-11-21 14:06:05,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152806483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:06:05,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:06:05,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:06:05,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588969612] [2022-11-21 14:06:05,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:06:05,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:06:05,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:06:05,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:06:05,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:06:05,923 INFO L87 Difference]: Start difference. First operand 8121 states and 11470 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:06:49,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:50,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:06:50,636 INFO L93 Difference]: Finished difference Result 8423 states and 11964 transitions. [2022-11-21 14:06:50,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:06:50,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 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 95 [2022-11-21 14:06:50,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:06:50,668 INFO L225 Difference]: With dead ends: 8423 [2022-11-21 14:06:50,668 INFO L226 Difference]: Without dead ends: 8421 [2022-11-21 14:06:50,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:06:50,673 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10902 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13516 mSolverCounterSat, 8251 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11161 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 21768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8251 IncrementalHoareTripleChecker+Valid, 13516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:06:50,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11161 Valid, 3713 Invalid, 21768 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8251 Valid, 13516 Invalid, 1 Unknown, 0 Unchecked, 43.0s Time] [2022-11-21 14:06:50,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8421 states. [2022-11-21 14:06:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8421 to 8119. [2022-11-21 14:06:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8119 states, 5260 states have (on average 1.2718631178707225) internal successors, (6690), 5366 states have internal predecessors, (6690), 2382 states have call successors, (2382), 453 states have call predecessors, (2382), 453 states have return successors, (2396), 2353 states have call predecessors, (2396), 2380 states have call successors, (2396) [2022-11-21 14:06:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8119 states to 8119 states and 11468 transitions. [2022-11-21 14:06:51,927 INFO L78 Accepts]: Start accepts. Automaton has 8119 states and 11468 transitions. Word has length 95 [2022-11-21 14:06:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:06:51,927 INFO L495 AbstractCegarLoop]: Abstraction has 8119 states and 11468 transitions. [2022-11-21 14:06:51,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:06:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 8119 states and 11468 transitions. [2022-11-21 14:06:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 14:06:51,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:06:51,931 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:06:51,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 14:06:51,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:06:51,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:06:51,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1671093772, now seen corresponding path program 1 times [2022-11-21 14:06:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:06:51,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051784899] [2022-11-21 14:06:51,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:06:51,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:06:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:06:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:06:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:06:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:06:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 14:06:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 14:06:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:06:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 14:06:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:06:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:06:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 14:06:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 14:06:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 14:06:53,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:06:53,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051784899] [2022-11-21 14:06:53,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051784899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:06:53,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:06:53,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:06:53,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88377428] [2022-11-21 14:06:53,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:06:53,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:06:53,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:06:53,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:06:53,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:06:53,233 INFO L87 Difference]: Start difference. First operand 8119 states and 11468 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:07:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:07:24,906 INFO L93 Difference]: Finished difference Result 14958 states and 21695 transitions. [2022-11-21 14:07:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:07:24,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2022-11-21 14:07:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:07:24,992 INFO L225 Difference]: With dead ends: 14958 [2022-11-21 14:07:24,992 INFO L226 Difference]: Without dead ends: 14956 [2022-11-21 14:07:25,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:07:25,002 INFO L413 NwaCegarLoop]: 6268 mSDtfsCounter, 5916 mSDsluCounter, 17452 mSDsCounter, 0 mSdLazyCounter, 10651 mSolverCounterSat, 2368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6702 SdHoareTripleChecker+Valid, 23720 SdHoareTripleChecker+Invalid, 13019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2368 IncrementalHoareTripleChecker+Valid, 10651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:07:25,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6702 Valid, 23720 Invalid, 13019 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2368 Valid, 10651 Invalid, 0 Unknown, 0 Unchecked, 29.0s Time] [2022-11-21 14:07:25,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14956 states. [2022-11-21 14:07:26,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14956 to 14576. [2022-11-21 14:07:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14576 states, 9731 states have (on average 1.2852738670229165) internal successors, (12507), 9902 states have internal predecessors, (12507), 3997 states have call successors, (3997), 781 states have call predecessors, (3997), 824 states have return successors, (4693), 3987 states have call predecessors, (4693), 3995 states have call successors, (4693) [2022-11-21 14:07:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14576 states to 14576 states and 21197 transitions. [2022-11-21 14:07:26,971 INFO L78 Accepts]: Start accepts. Automaton has 14576 states and 21197 transitions. Word has length 100 [2022-11-21 14:07:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:07:26,971 INFO L495 AbstractCegarLoop]: Abstraction has 14576 states and 21197 transitions. [2022-11-21 14:07:26,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:07:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 14576 states and 21197 transitions. [2022-11-21 14:07:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 14:07:26,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:07:26,975 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:07:26,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 14:07:26,975 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:07:26,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:07:26,976 INFO L85 PathProgramCache]: Analyzing trace with hash 125123180, now seen corresponding path program 1 times [2022-11-21 14:07:26,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:07:26,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697552124] [2022-11-21 14:07:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:07:26,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:07:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:07:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:07:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:07:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:07:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:07:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:07:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:07:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:07:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:07:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:07:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:07:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 14:07:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:07:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:07:27,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:07:27,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697552124] [2022-11-21 14:07:27,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697552124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:07:27,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:07:27,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:07:27,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202900003] [2022-11-21 14:07:27,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:07:27,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:07:27,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:07:27,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:07:27,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:07:27,659 INFO L87 Difference]: Start difference. First operand 14576 states and 21197 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 14:08:05,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:12,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:16,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:08:17,026 INFO L93 Difference]: Finished difference Result 14738 states and 21469 transitions. [2022-11-21 14:08:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:08:17,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 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 101 [2022-11-21 14:08:17,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:08:17,103 INFO L225 Difference]: With dead ends: 14738 [2022-11-21 14:08:17,103 INFO L226 Difference]: Without dead ends: 14736 [2022-11-21 14:08:17,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:08:17,111 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 10810 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13578 mSolverCounterSat, 8245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11067 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 21824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8245 IncrementalHoareTripleChecker+Valid, 13578 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:08:17,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11067 Valid, 3714 Invalid, 21824 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8245 Valid, 13578 Invalid, 1 Unknown, 0 Unchecked, 46.8s Time] [2022-11-21 14:08:17,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14736 states. [2022-11-21 14:08:18,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14736 to 14574. [2022-11-21 14:08:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14574 states, 9730 states have (on average 1.2852004110996917) internal successors, (12505), 9900 states have internal predecessors, (12505), 3997 states have call successors, (3997), 781 states have call predecessors, (3997), 824 states have return successors, (4693), 3987 states have call predecessors, (4693), 3995 states have call successors, (4693) [2022-11-21 14:08:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14574 states to 14574 states and 21195 transitions. [2022-11-21 14:08:18,782 INFO L78 Accepts]: Start accepts. Automaton has 14574 states and 21195 transitions. Word has length 101 [2022-11-21 14:08:18,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:08:18,783 INFO L495 AbstractCegarLoop]: Abstraction has 14574 states and 21195 transitions. [2022-11-21 14:08:18,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 14:08:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 14574 states and 21195 transitions. [2022-11-21 14:08:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-21 14:08:18,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:08:18,785 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:08:18,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 14:08:18,786 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:08:18,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:08:18,786 INFO L85 PathProgramCache]: Analyzing trace with hash 504903500, now seen corresponding path program 1 times [2022-11-21 14:08:18,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:08:18,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738740210] [2022-11-21 14:08:18,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:08:18,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:08:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:08:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:08:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:08:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:08:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 14:08:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 14:08:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:08:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 14:08:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:08:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:08:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 14:08:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:08:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 14:08:19,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:08:19,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738740210] [2022-11-21 14:08:19,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738740210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:08:19,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:08:19,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:08:19,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946339035] [2022-11-21 14:08:19,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:08:19,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:08:19,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:08:19,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:08:19,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:08:19,963 INFO L87 Difference]: Start difference. First operand 14574 states and 21195 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:08:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:08:46,964 INFO L93 Difference]: Finished difference Result 16350 states and 23454 transitions. [2022-11-21 14:08:46,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:08:46,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2022-11-21 14:08:46,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:08:47,022 INFO L225 Difference]: With dead ends: 16350 [2022-11-21 14:08:47,023 INFO L226 Difference]: Without dead ends: 16348 [2022-11-21 14:08:47,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:08:47,031 INFO L413 NwaCegarLoop]: 5125 mSDtfsCounter, 5935 mSDsluCounter, 11805 mSDsCounter, 0 mSdLazyCounter, 7617 mSolverCounterSat, 2177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6756 SdHoareTripleChecker+Valid, 16930 SdHoareTripleChecker+Invalid, 9794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2177 IncrementalHoareTripleChecker+Valid, 7617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-21 14:08:47,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6756 Valid, 16930 Invalid, 9794 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2177 Valid, 7617 Invalid, 0 Unknown, 0 Unchecked, 24.2s Time] [2022-11-21 14:08:47,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2022-11-21 14:08:48,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 16132. [2022-11-21 14:08:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16132 states, 10694 states have (on average 1.2725827566859922) internal successors, (13609), 10876 states have internal predecessors, (13609), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:08:49,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16132 states to 16132 states and 23115 transitions. [2022-11-21 14:08:49,004 INFO L78 Accepts]: Start accepts. Automaton has 16132 states and 23115 transitions. Word has length 105 [2022-11-21 14:08:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:08:49,005 INFO L495 AbstractCegarLoop]: Abstraction has 16132 states and 23115 transitions. [2022-11-21 14:08:49,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:08:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 16132 states and 23115 transitions. [2022-11-21 14:08:49,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-21 14:08:49,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:08:49,007 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:08:49,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 14:08:49,008 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:08:49,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:08:49,008 INFO L85 PathProgramCache]: Analyzing trace with hash -884787563, now seen corresponding path program 1 times [2022-11-21 14:08:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:08:49,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647476330] [2022-11-21 14:08:49,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:08:49,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:08:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:08:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:08:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:08:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:08:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 14:08:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 14:08:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:08:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 14:08:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:08:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:08:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 14:08:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 14:08:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 14:08:50,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:08:50,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647476330] [2022-11-21 14:08:50,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647476330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:08:50,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:08:50,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:08:50,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129159517] [2022-11-21 14:08:50,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:08:50,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:08:50,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:08:50,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:08:50,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:08:50,067 INFO L87 Difference]: Start difference. First operand 16132 states and 23115 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:09:15,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:17,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:09:18,831 INFO L93 Difference]: Finished difference Result 32406 states and 47437 transitions. [2022-11-21 14:09:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:09:18,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 102 [2022-11-21 14:09:18,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:09:18,928 INFO L225 Difference]: With dead ends: 32406 [2022-11-21 14:09:18,928 INFO L226 Difference]: Without dead ends: 16336 [2022-11-21 14:09:19,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:09:19,061 INFO L413 NwaCegarLoop]: 4722 mSDtfsCounter, 5823 mSDsluCounter, 13256 mSDsCounter, 0 mSdLazyCounter, 9488 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6573 SdHoareTripleChecker+Valid, 17978 SdHoareTripleChecker+Invalid, 11664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 9488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-11-21 14:09:19,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6573 Valid, 17978 Invalid, 11664 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2176 Valid, 9488 Invalid, 0 Unknown, 0 Unchecked, 25.5s Time] [2022-11-21 14:09:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16336 states. [2022-11-21 14:09:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16336 to 16132. [2022-11-21 14:09:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16132 states, 10694 states have (on average 1.2720216944080793) internal successors, (13603), 10876 states have internal predecessors, (13603), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:09:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16132 states to 16132 states and 23109 transitions. [2022-11-21 14:09:21,069 INFO L78 Accepts]: Start accepts. Automaton has 16132 states and 23109 transitions. Word has length 102 [2022-11-21 14:09:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:09:21,070 INFO L495 AbstractCegarLoop]: Abstraction has 16132 states and 23109 transitions. [2022-11-21 14:09:21,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:09:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16132 states and 23109 transitions. [2022-11-21 14:09:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-21 14:09:21,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:09:21,073 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:09:21,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 14:09:21,073 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:09:21,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:09:21,073 INFO L85 PathProgramCache]: Analyzing trace with hash -884727981, now seen corresponding path program 1 times [2022-11-21 14:09:21,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:09:21,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821563039] [2022-11-21 14:09:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:09:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:09:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:09:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:09:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:09:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:09:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:09:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 14:09:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 14:09:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:09:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 14:09:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:09:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:09:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:09:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 14:09:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 14:09:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 14:09:21,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:09:21,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821563039] [2022-11-21 14:09:21,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821563039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:09:21,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:09:21,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:09:21,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400152452] [2022-11-21 14:09:21,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:09:21,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:09:21,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:09:21,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:09:21,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:09:21,574 INFO L87 Difference]: Start difference. First operand 16132 states and 23109 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-21 14:09:42,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:43,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:09:43,977 INFO L93 Difference]: Finished difference Result 16336 states and 23437 transitions. [2022-11-21 14:09:43,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:09:43,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 102 [2022-11-21 14:09:43,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:09:44,055 INFO L225 Difference]: With dead ends: 16336 [2022-11-21 14:09:44,055 INFO L226 Difference]: Without dead ends: 16334 [2022-11-21 14:09:44,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:09:44,068 INFO L413 NwaCegarLoop]: 4780 mSDtfsCounter, 1178 mSDsluCounter, 10687 mSDsCounter, 0 mSdLazyCounter, 6084 mSolverCounterSat, 1146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 15467 SdHoareTripleChecker+Invalid, 7230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1146 IncrementalHoareTripleChecker+Valid, 6084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-21 14:09:44,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 15467 Invalid, 7230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1146 Valid, 6084 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-11-21 14:09:44,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16334 states. [2022-11-21 14:09:45,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16334 to 16130. [2022-11-21 14:09:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16130 states, 10693 states have (on average 1.2714860188908632) internal successors, (13596), 10874 states have internal predecessors, (13596), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:09:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16130 states to 16130 states and 23102 transitions. [2022-11-21 14:09:45,839 INFO L78 Accepts]: Start accepts. Automaton has 16130 states and 23102 transitions. Word has length 102 [2022-11-21 14:09:45,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:09:45,839 INFO L495 AbstractCegarLoop]: Abstraction has 16130 states and 23102 transitions. [2022-11-21 14:09:45,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-21 14:09:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 16130 states and 23102 transitions. [2022-11-21 14:09:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-21 14:09:45,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:09:45,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:09:45,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 14:09:45,843 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:09:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:09:45,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1605930963, now seen corresponding path program 1 times [2022-11-21 14:09:45,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:09:45,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330208490] [2022-11-21 14:09:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:09:45,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:09:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:09:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:09:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:09:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:09:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:09:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:09:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:09:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:09:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:09:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:09:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:09:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:09:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:09:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 14:09:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:09:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:09:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:09:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:09:46,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:09:46,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330208490] [2022-11-21 14:09:46,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330208490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:09:46,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:09:46,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:09:46,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106271408] [2022-11-21 14:09:46,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:09:46,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:09:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:09:46,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:09:46,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:09:46,386 INFO L87 Difference]: Start difference. First operand 16130 states and 23102 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 14:10:34,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:36,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:38,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:10:40,250 INFO L93 Difference]: Finished difference Result 16334 states and 23430 transitions. [2022-11-21 14:10:40,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:10:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 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 107 [2022-11-21 14:10:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:10:40,321 INFO L225 Difference]: With dead ends: 16334 [2022-11-21 14:10:40,322 INFO L226 Difference]: Without dead ends: 16332 [2022-11-21 14:10:40,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 14:10:40,332 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 10802 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 13566 mSolverCounterSat, 8238 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11058 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 21806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8238 IncrementalHoareTripleChecker+Valid, 13566 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.5s IncrementalHoareTripleChecker+Time [2022-11-21 14:10:40,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11058 Valid, 3706 Invalid, 21806 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8238 Valid, 13566 Invalid, 2 Unknown, 0 Unchecked, 50.5s Time] [2022-11-21 14:10:40,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16332 states. [2022-11-21 14:10:42,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16332 to 16128. [2022-11-21 14:10:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16128 states, 10692 states have (on average 1.2714178825289937) internal successors, (13594), 10872 states have internal predecessors, (13594), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:10:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16128 states to 16128 states and 23100 transitions. [2022-11-21 14:10:42,623 INFO L78 Accepts]: Start accepts. Automaton has 16128 states and 23100 transitions. Word has length 107 [2022-11-21 14:10:42,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:10:42,624 INFO L495 AbstractCegarLoop]: Abstraction has 16128 states and 23100 transitions. [2022-11-21 14:10:42,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 14:10:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 16128 states and 23100 transitions. [2022-11-21 14:10:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 14:10:42,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:10:42,626 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:10:42,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 14:10:42,626 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:10:42,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:10:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1388540313, now seen corresponding path program 1 times [2022-11-21 14:10:42,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:10:42,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654784360] [2022-11-21 14:10:42,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:10:42,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:10:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:10:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:10:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:10:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:10:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:10:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 14:10:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 14:10:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:10:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 14:10:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:10:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:10:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:10:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 14:10:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 14:10:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 14:10:43,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:10:43,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654784360] [2022-11-21 14:10:43,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654784360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:10:43,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:10:43,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:10:43,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331961172] [2022-11-21 14:10:43,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:10:43,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:10:43,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:10:43,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:10:43,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:10:43,160 INFO L87 Difference]: Start difference. First operand 16128 states and 23100 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:11:01,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:11:02,580 INFO L93 Difference]: Finished difference Result 32384 states and 47388 transitions. [2022-11-21 14:11:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 14:11:02,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 3 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 106 [2022-11-21 14:11:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:11:02,659 INFO L225 Difference]: With dead ends: 32384 [2022-11-21 14:11:02,659 INFO L226 Difference]: Without dead ends: 16318 [2022-11-21 14:11:02,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:11:02,757 INFO L413 NwaCegarLoop]: 4752 mSDtfsCounter, 5756 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 2173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 7296 SdHoareTripleChecker+Invalid, 4447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2173 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-21 14:11:02,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6505 Valid, 7296 Invalid, 4447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2173 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2022-11-21 14:11:02,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16318 states. [2022-11-21 14:11:05,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16318 to 16114. [2022-11-21 14:11:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16114 states, 10679 states have (on average 1.2706245903174453) internal successors, (13569), 10858 states have internal predecessors, (13569), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:11:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16114 states to 16114 states and 23075 transitions. [2022-11-21 14:11:05,312 INFO L78 Accepts]: Start accepts. Automaton has 16114 states and 23075 transitions. Word has length 106 [2022-11-21 14:11:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:11:05,312 INFO L495 AbstractCegarLoop]: Abstraction has 16114 states and 23075 transitions. [2022-11-21 14:11:05,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 14:11:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 16114 states and 23075 transitions. [2022-11-21 14:11:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-21 14:11:05,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:11:05,316 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:11:05,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 14:11:05,316 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:11:05,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:11:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1406685846, now seen corresponding path program 1 times [2022-11-21 14:11:05,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:11:05,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512250339] [2022-11-21 14:11:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:11:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:11:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:11:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:11:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:11:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:11:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:11:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:11:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:11:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:11:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:11:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:11:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:11:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:11:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:11:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 14:11:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:11:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:11:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:11:05,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:11:05,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512250339] [2022-11-21 14:11:05,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512250339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:11:05,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:11:05,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:11:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563533324] [2022-11-21 14:11:05,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:11:05,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:11:05,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:11:05,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:11:05,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:11:05,931 INFO L87 Difference]: Start difference. First operand 16114 states and 23075 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 14:11:54,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:57,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:11:59,269 INFO L93 Difference]: Finished difference Result 16326 states and 23415 transitions. [2022-11-21 14:11:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:11:59,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 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 109 [2022-11-21 14:11:59,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:11:59,342 INFO L225 Difference]: With dead ends: 16326 [2022-11-21 14:11:59,342 INFO L226 Difference]: Without dead ends: 16324 [2022-11-21 14:11:59,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:11:59,353 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10760 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13548 mSolverCounterSat, 8249 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11017 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 21798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8249 IncrementalHoareTripleChecker+Valid, 13548 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:11:59,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11017 Valid, 3713 Invalid, 21798 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8249 Valid, 13548 Invalid, 1 Unknown, 0 Unchecked, 50.0s Time] [2022-11-21 14:11:59,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16324 states. [2022-11-21 14:12:01,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16324 to 16112. [2022-11-21 14:12:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16112 states, 10678 states have (on average 1.2705562839483049) internal successors, (13567), 10856 states have internal predecessors, (13567), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:12:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16112 states to 16112 states and 23073 transitions. [2022-11-21 14:12:01,813 INFO L78 Accepts]: Start accepts. Automaton has 16112 states and 23073 transitions. Word has length 109 [2022-11-21 14:12:01,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:12:01,814 INFO L495 AbstractCegarLoop]: Abstraction has 16112 states and 23073 transitions. [2022-11-21 14:12:01,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 14:12:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 16112 states and 23073 transitions. [2022-11-21 14:12:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-21 14:12:01,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:12:01,818 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:12:01,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 14:12:01,819 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:12:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:12:01,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1450891624, now seen corresponding path program 1 times [2022-11-21 14:12:01,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:12:01,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970676420] [2022-11-21 14:12:01,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:12:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:12:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:12:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:12:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:12:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:12:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:12:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:12:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:12:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:12:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:12:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:12:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:12:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:12:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:12:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 14:12:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:12:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:12:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 14:12:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:12:02,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:12:02,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970676420] [2022-11-21 14:12:02,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970676420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:12:02,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:12:02,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:12:02,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67873210] [2022-11-21 14:12:02,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:12:02,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:12:02,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:12:02,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:12:02,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:12:02,522 INFO L87 Difference]: Start difference. First operand 16112 states and 23073 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 14:12:50,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:55,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:12:56,640 INFO L93 Difference]: Finished difference Result 16324 states and 23413 transitions. [2022-11-21 14:12:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:12:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 5 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 115 [2022-11-21 14:12:56,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:12:56,706 INFO L225 Difference]: With dead ends: 16324 [2022-11-21 14:12:56,706 INFO L226 Difference]: Without dead ends: 16322 [2022-11-21 14:12:56,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-21 14:12:56,714 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 10838 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13498 mSolverCounterSat, 8245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11092 SdHoareTripleChecker+Valid, 3715 SdHoareTripleChecker+Invalid, 21744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8245 IncrementalHoareTripleChecker+Valid, 13498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2022-11-21 14:12:56,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11092 Valid, 3715 Invalid, 21744 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8245 Valid, 13498 Invalid, 1 Unknown, 0 Unchecked, 50.2s Time] [2022-11-21 14:12:56,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16322 states. [2022-11-21 14:12:58,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16322 to 16110. [2022-11-21 14:12:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16110 states, 10677 states have (on average 1.2704879647841154) internal successors, (13565), 10854 states have internal predecessors, (13565), 4397 states have call successors, (4397), 975 states have call predecessors, (4397), 1018 states have return successors, (5109), 4379 states have call predecessors, (5109), 4395 states have call successors, (5109) [2022-11-21 14:12:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16110 states to 16110 states and 23071 transitions. [2022-11-21 14:12:58,936 INFO L78 Accepts]: Start accepts. Automaton has 16110 states and 23071 transitions. Word has length 115 [2022-11-21 14:12:58,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:12:58,937 INFO L495 AbstractCegarLoop]: Abstraction has 16110 states and 23071 transitions. [2022-11-21 14:12:58,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 14:12:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 16110 states and 23071 transitions. [2022-11-21 14:12:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-21 14:12:58,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:12:58,941 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:12:58,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 14:12:58,942 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-21 14:12:58,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:12:58,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1291214517, now seen corresponding path program 1 times [2022-11-21 14:12:58,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:12:58,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362766008] [2022-11-21 14:12:58,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:12:58,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:12:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:12:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 14:12:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:12:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 14:12:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 14:12:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:12:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:12:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:12:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 14:12:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 14:12:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:12:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 14:12:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 14:12:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 14:12:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:12:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:12:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 14:12:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:12:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:12:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 14:12:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:12:59,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362766008] [2022-11-21 14:12:59,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362766008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:12:59,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:12:59,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:12:59,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625657186] [2022-11-21 14:12:59,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:12:59,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:12:59,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:12:59,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:12:59,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:12:59,730 INFO L87 Difference]: Start difference. First operand 16110 states and 23071 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)