./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--nfs--nfsv2.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro --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 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a --- 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-8393723 [2022-11-18 18:27:27,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:27:27,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:27:27,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:27:27,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:27:27,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:27:27,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:27:27,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:27:27,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:27:27,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:27:27,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:27:27,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:27:27,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:27:27,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:27:27,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:27:27,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:27:27,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:27:27,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:27:27,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:27:27,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:27:27,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:27:27,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:27:27,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:27:27,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:27:27,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:27:27,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:27:27,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:27:27,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:27:27,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:27:27,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:27:27,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:27:27,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:27:27,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:27:27,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:27:27,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:27:27,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:27:27,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:27:27,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:27:27,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:27:27,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:27:27,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:27:27,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:27:27,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:27:27,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:27:27,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:27:27,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:27:27,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:27:27,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:27:27,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:27:27,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:27:27,910 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:27:27,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:27:27,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:27:27,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:27:27,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:27:27,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:27:27,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:27:27,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:27:27,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:27:27,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:27:27,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:27:27,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:27:27,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:27:27,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:27,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:27:27,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:27:27,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:27:27,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:27:27,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:27:27,916 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:27:27,916 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:27:27,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:27:27,916 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_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a [2022-11-18 18:27:28,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:27:28,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:27:28,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:27:28,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:27:28,207 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:27:28,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-11-18 18:27:28,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/data/0cd7b1566/dd68d045832d4e078e76371b78b1b6c4/FLAGd87d42c41 [2022-11-18 18:27:29,741 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:27:29,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-11-18 18:27:29,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/data/0cd7b1566/dd68d045832d4e078e76371b78b1b6c4/FLAGd87d42c41 [2022-11-18 18:27:30,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/data/0cd7b1566/dd68d045832d4e078e76371b78b1b6c4 [2022-11-18 18:27:30,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:27:30,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:27:30,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:30,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:27:30,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:27:30,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:30" (1/1) ... [2022-11-18 18:27:30,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aac94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:30, skipping insertion in model container [2022-11-18 18:27:30,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:30" (1/1) ... [2022-11-18 18:27:30,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:27:30,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:27:43,633 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2022-11-18 18:27:43,639 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2022-11-18 18:27:43,640 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2022-11-18 18:27:43,640 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2022-11-18 18:27:43,641 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2022-11-18 18:27:43,642 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2022-11-18 18:27:43,643 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2022-11-18 18:27:43,644 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2022-11-18 18:27:43,644 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2022-11-18 18:27:43,645 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2022-11-18 18:27:43,651 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2022-11-18 18:27:43,652 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2022-11-18 18:27:43,653 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2022-11-18 18:27:43,653 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2022-11-18 18:27:43,654 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2022-11-18 18:27:43,654 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2022-11-18 18:27:43,655 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2022-11-18 18:27:43,655 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2022-11-18 18:27:43,657 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2022-11-18 18:27:43,657 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2022-11-18 18:27:43,658 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2022-11-18 18:27:43,658 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2022-11-18 18:27:43,659 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2022-11-18 18:27:43,659 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2022-11-18 18:27:43,662 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2022-11-18 18:27:43,662 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2022-11-18 18:27:43,663 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2022-11-18 18:27:43,664 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2022-11-18 18:27:43,664 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2022-11-18 18:27:43,666 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2022-11-18 18:27:43,666 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2022-11-18 18:27:43,668 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2022-11-18 18:27:43,669 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2022-11-18 18:27:43,670 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2022-11-18 18:27:43,670 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2022-11-18 18:27:43,671 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2022-11-18 18:27:43,673 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2022-11-18 18:27:43,673 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2022-11-18 18:27:43,674 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2022-11-18 18:27:43,674 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2022-11-18 18:27:43,675 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2022-11-18 18:27:43,675 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2022-11-18 18:27:43,676 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2022-11-18 18:27:43,677 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2022-11-18 18:27:43,678 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2022-11-18 18:27:43,679 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2022-11-18 18:27:43,679 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2022-11-18 18:27:43,681 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2022-11-18 18:27:43,681 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2022-11-18 18:27:43,682 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2022-11-18 18:27:43,682 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2022-11-18 18:27:43,686 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2022-11-18 18:27:43,687 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2022-11-18 18:27:43,687 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2022-11-18 18:27:43,688 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2022-11-18 18:27:43,688 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2022-11-18 18:27:43,689 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2022-11-18 18:27:43,689 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2022-11-18 18:27:43,690 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2022-11-18 18:27:43,691 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2022-11-18 18:27:43,691 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2022-11-18 18:27:43,692 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2022-11-18 18:27:43,693 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2022-11-18 18:27:43,693 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2022-11-18 18:27:43,694 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2022-11-18 18:27:43,694 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2022-11-18 18:27:43,695 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2022-11-18 18:27:43,696 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2022-11-18 18:27:43,697 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2022-11-18 18:27:43,697 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2022-11-18 18:27:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2022-11-18 18:27:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2022-11-18 18:27:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2022-11-18 18:27:43,699 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2022-11-18 18:27:43,699 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2022-11-18 18:27:43,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2022-11-18 18:27:43,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2022-11-18 18:27:43,701 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2022-11-18 18:27:43,701 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2022-11-18 18:27:43,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2022-11-18 18:27:43,703 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2022-11-18 18:27:43,703 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2022-11-18 18:27:43,704 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2022-11-18 18:27:43,704 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2022-11-18 18:27:43,705 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2022-11-18 18:27:43,705 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2022-11-18 18:27:43,706 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2022-11-18 18:27:43,706 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2022-11-18 18:27:43,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:43,775 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:27:44,354 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2022-11-18 18:27:44,359 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2022-11-18 18:27:44,360 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2022-11-18 18:27:44,361 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2022-11-18 18:27:44,362 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2022-11-18 18:27:44,363 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2022-11-18 18:27:44,363 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2022-11-18 18:27:44,364 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2022-11-18 18:27:44,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2022-11-18 18:27:44,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2022-11-18 18:27:44,366 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2022-11-18 18:27:44,366 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2022-11-18 18:27:44,367 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2022-11-18 18:27:44,372 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2022-11-18 18:27:44,373 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2022-11-18 18:27:44,374 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2022-11-18 18:27:44,375 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2022-11-18 18:27:44,376 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2022-11-18 18:27:44,377 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2022-11-18 18:27:44,377 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2022-11-18 18:27:44,378 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2022-11-18 18:27:44,379 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2022-11-18 18:27:44,380 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2022-11-18 18:27:44,380 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2022-11-18 18:27:44,381 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2022-11-18 18:27:44,381 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2022-11-18 18:27:44,382 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2022-11-18 18:27:44,382 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2022-11-18 18:27:44,383 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2022-11-18 18:27:44,383 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2022-11-18 18:27:44,383 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2022-11-18 18:27:44,385 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2022-11-18 18:27:44,386 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2022-11-18 18:27:44,386 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2022-11-18 18:27:44,387 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2022-11-18 18:27:44,388 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2022-11-18 18:27:44,388 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2022-11-18 18:27:44,389 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2022-11-18 18:27:44,389 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2022-11-18 18:27:44,390 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2022-11-18 18:27:44,391 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2022-11-18 18:27:44,393 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2022-11-18 18:27:44,393 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2022-11-18 18:27:44,394 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2022-11-18 18:27:44,394 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2022-11-18 18:27:44,395 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2022-11-18 18:27:44,396 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2022-11-18 18:27:44,396 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2022-11-18 18:27:44,397 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2022-11-18 18:27:44,398 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2022-11-18 18:27:44,398 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2022-11-18 18:27:44,399 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2022-11-18 18:27:44,399 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2022-11-18 18:27:44,400 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2022-11-18 18:27:44,400 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2022-11-18 18:27:44,401 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2022-11-18 18:27:44,401 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2022-11-18 18:27:44,402 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2022-11-18 18:27:44,402 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2022-11-18 18:27:44,403 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2022-11-18 18:27:44,403 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2022-11-18 18:27:44,404 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2022-11-18 18:27:44,406 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2022-11-18 18:27:44,407 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2022-11-18 18:27:44,416 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2022-11-18 18:27:44,417 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2022-11-18 18:27:44,418 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2022-11-18 18:27:44,418 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2022-11-18 18:27:44,420 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2022-11-18 18:27:44,421 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2022-11-18 18:27:44,422 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2022-11-18 18:27:44,423 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2022-11-18 18:27:44,423 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2022-11-18 18:27:44,428 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2022-11-18 18:27:44,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2022-11-18 18:27:44,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2022-11-18 18:27:44,430 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2022-11-18 18:27:44,430 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2022-11-18 18:27:44,431 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2022-11-18 18:27:44,432 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2022-11-18 18:27:44,433 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2022-11-18 18:27:44,434 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2022-11-18 18:27:44,434 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2022-11-18 18:27:44,435 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2022-11-18 18:27:44,435 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2022-11-18 18:27:44,436 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2022-11-18 18:27:44,436 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2022-11-18 18:27:44,436 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2022-11-18 18:27:44,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:45,083 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:27:45,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45 WrapperNode [2022-11-18 18:27:45,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:45,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:45,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:27:45,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:27:45,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:45,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:45,862 INFO L138 Inliner]: procedures = 1178, calls = 4177, calls flagged for inlining = 795, calls inlined = 711, statements flattened = 14795 [2022-11-18 18:27:45,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:45,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:27:45,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:27:45,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:27:45,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:45,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:45,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:45,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:46,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:46,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:46,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:46,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:46,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:27:46,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:27:46,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:27:46,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:27:46,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (1/1) ... [2022-11-18 18:27:46,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:27:46,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:27:46,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31152-cb10-4d79-8755-7f32ec36f9d6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:27:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 18:27:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 18:27:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_create [2022-11-18 18:27:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_create [2022-11-18 18:27:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 18:27:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 18:27:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_write_setup [2022-11-18 18:27:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_write_setup [2022-11-18 18:27:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_write_pages [2022-11-18 18:27:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_write_pages [2022-11-18 18:27:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_createdata [2022-11-18 18:27:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_createdata [2022-11-18 18:27:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_check_bounds [2022-11-18 18:27:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_check_bounds [2022-11-18 18:27:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mkdir [2022-11-18 18:27:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mkdir [2022-11-18 18:27:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_setup [2022-11-18 18:27:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_setup [2022-11-18 18:27:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 18:27:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 18:27:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lookup [2022-11-18 18:27:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lookup [2022-11-18 18:27:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 18:27:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 18:27:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:27:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 18:27:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 18:27:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 18:27:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 18:27:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 18:27:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 18:27:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_unlink [2022-11-18 18:27:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_stat_to_errno [2022-11-18 18:27:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_stat_to_errno [2022-11-18 18:27:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 18:27:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 18:27:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:27:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readdir [2022-11-18 18:27:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readdir [2022-11-18 18:27:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:27:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 18:27:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 18:27:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:27:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure encode_sattr [2022-11-18 18:27:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_sattr [2022-11-18 18:27:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_rpc_prepare [2022-11-18 18:27:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_rpc_prepare [2022-11-18 18:27:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_rpc_prepare [2022-11-18 18:27:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_rpc_prepare [2022-11-18 18:27:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rmdir [2022-11-18 18:27:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rmdir [2022-11-18 18:27:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_client [2022-11-18 18:27:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_client [2022-11-18 18:27:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:27:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:27:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-18 18:27:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-18 18:27:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:27:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_current_server_time [2022-11-18 18:27:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_current_server_time [2022-11-18 18:27:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-18 18:27:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-18 18:27:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_rpc_prepare [2022-11-18 18:27:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_rpc_prepare [2022-11-18 18:27:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readlink [2022-11-18 18:27:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readlink [2022-11-18 18:27:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_invalidate_atime [2022-11-18 18:27:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_invalidate_atime [2022-11-18 18:27:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_clone_server [2022-11-18 18:27:46,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_clone_server [2022-11-18 18:27:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 18:27:46,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 18:27:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pgio_rpc_prepare [2022-11-18 18:27:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pgio_rpc_prepare [2022-11-18 18:27:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_permission [2022-11-18 18:27:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_permission [2022-11-18 18:27:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 18:27:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 18:27:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:27:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 18:27:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 18:27:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:27:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_symlink [2022-11-18 18:27:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_symlink [2022-11-18 18:27:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_time [2022-11-18 18:27:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_time [2022-11-18 18:27:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-11-18 18:27:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-11-18 18:27:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_done [2022-11-18 18:27:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_done [2022-11-18 18:27:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 18:27:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 18:27:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 18:27:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 18:27:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_time [2022-11-18 18:27:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_time [2022-11-18 18:27:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_getattr [2022-11-18 18:27:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_getattr [2022-11-18 18:27:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure decode_attrstat [2022-11-18 18:27:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_attrstat [2022-11-18 18:27:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:27:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:27:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:27:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-18 18:27:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-18 18:27:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_client [2022-11-18 18:27:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_client [2022-11-18 18:27:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lock [2022-11-18 18:27:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lock [2022-11-18 18:27:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_statfs [2022-11-18 18:27:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_statfs [2022-11-18 18:27:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_remove [2022-11-18 18:27:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_remove [2022-11-18 18:27:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_read_done [2022-11-18 18:27:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_read_done [2022-11-18 18:27:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_reply_buffer [2022-11-18 18:27:46,793 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_reply_buffer [2022-11-18 18:27:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_read_setup [2022-11-18 18:27:46,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_read_setup [2022-11-18 18:27:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 18:27:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 18:27:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_return_delegation [2022-11-18 18:27:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_return_delegation [2022-11-18 18:27:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:27:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:27:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure encode_fhandle [2022-11-18 18:27:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_fhandle [2022-11-18 18:27:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 18:27:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 18:27:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 18:27:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 18:27:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_instantiate [2022-11-18 18:27:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_instantiate [2022-11-18 18:27:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_setup [2022-11-18 18:27:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_setup [2022-11-18 18:27:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-11-18 18:27:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-11-18 18:27:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 18:27:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 18:27:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:27:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:27:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 18:27:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 18:27:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:27:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_link [2022-11-18 18:27:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_link [2022-11-18 18:27:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:27:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pathconf [2022-11-18 18:27:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pathconf [2022-11-18 18:27:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rename [2022-11-18 18:27:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rename [2022-11-18 18:27:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FH [2022-11-18 18:27:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FH [2022-11-18 18:27:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:27:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 18:27:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 18:27:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 18:27:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 18:27:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure decode_stat [2022-11-18 18:27:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_stat [2022-11-18 18:27:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:27:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:27:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 18:27:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 18:27:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_enc_writeargs [2022-11-18 18:27:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_enc_writeargs [2022-11-18 18:27:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 18:27:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 18:27:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_read_pages [2022-11-18 18:27:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_read_pages [2022-11-18 18:27:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rmdir [2022-11-18 18:27:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rmdir [2022-11-18 18:27:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 18:27:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 18:27:46,804 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_fattr_init [2022-11-18 18:27:46,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_fattr_init [2022-11-18 18:27:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_setattr [2022-11-18 18:27:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_setattr [2022-11-18 18:27:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_fsinfo [2022-11-18 18:27:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_fsinfo [2022-11-18 18:27:46,805 INFO L130 BoogieDeclarations]: Found specification of procedure print_overflow_msg [2022-11-18 18:27:46,805 INFO L138 BoogieDeclarations]: Found implementation of procedure print_overflow_msg [2022-11-18 18:27:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-11-18 18:27:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-11-18 18:27:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_createdata [2022-11-18 18:27:46,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_createdata [2022-11-18 18:27:46,806 INFO L130 BoogieDeclarations]: Found specification of procedure decode_fattr [2022-11-18 18:27:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_fattr [2022-11-18 18:27:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2022-11-18 18:27:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2022-11-18 18:27:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 18:27:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 18:27:46,807 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_write_done [2022-11-18 18:27:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_write_done [2022-11-18 18:27:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 18:27:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 18:27:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:27:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_start [2022-11-18 18:27:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_start [2022-11-18 18:27:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:27:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:27:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 18:27:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 18:27:46,809 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_dec_attrstat [2022-11-18 18:27:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_dec_attrstat [2022-11-18 18:27:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_get_root [2022-11-18 18:27:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_get_root [2022-11-18 18:27:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_try_mount [2022-11-18 18:27:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_try_mount [2022-11-18 18:27:46,812 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_decode_dirent [2022-11-18 18:27:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_decode_dirent [2022-11-18 18:27:46,812 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_create_server [2022-11-18 18:27:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_create_server [2022-11-18 18:27:46,812 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mknod [2022-11-18 18:27:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mknod [2022-11-18 18:27:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 18:27:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 18:27:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:27:46,813 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2022-11-18 18:27:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2022-11-18 18:27:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 18:27:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 18:27:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_close_context [2022-11-18 18:27:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_close_context [2022-11-18 18:27:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 18:27:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 18:27:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_client [2022-11-18 18:27:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_client [2022-11-18 18:27:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 18:27:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 18:27:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:27:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:27:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_done [2022-11-18 18:27:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_done [2022-11-18 18:27:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 18:27:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 18:27:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_sync [2022-11-18 18:27:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_sync [2022-11-18 18:27:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 18:27:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 18:27:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_submount [2022-11-18 18:27:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_submount [2022-11-18 18:27:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure encode_diropargs [2022-11-18 18:27:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_diropargs [2022-11-18 18:27:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_time_not_set [2022-11-18 18:27:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_time_not_set [2022-11-18 18:27:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 18:27:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 18:27:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 18:27:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 18:27:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_setup [2022-11-18 18:27:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_setup [2022-11-18 18:27:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 18:27:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 18:27:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_setattr [2022-11-18 18:27:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:27:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_mark_for_revalidate [2022-11-18 18:27:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_mark_for_revalidate [2022-11-18 18:27:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_have_delegation [2022-11-18 18:27:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_have_delegation [2022-11-18 18:27:50,086 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:27:50,091 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:27:50,786 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:28:02,842 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:28:02,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:28:02,893 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:28:02,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:02 BoogieIcfgContainer [2022-11-18 18:28:02,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:28:02,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:28:02,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:28:02,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:28:02,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:27:30" (1/3) ... [2022-11-18 18:28:02,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5a89ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:28:02, skipping insertion in model container [2022-11-18 18:28:02,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:45" (2/3) ... [2022-11-18 18:28:02,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5a89ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:28:02, skipping insertion in model container [2022-11-18 18:28:02,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:02" (3/3) ... [2022-11-18 18:28:02,915 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-11-18 18:28:02,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:28:02,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-11-18 18:28:03,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:28:03,153 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;@13e3caa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:28:03,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-18 18:28:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 5391 states, 3395 states have (on average 1.2500736377025037) internal successors, (4244), 3748 states have internal predecessors, (4244), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) [2022-11-18 18:28:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-18 18:28:03,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:28:03,190 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:28:03,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:28:03,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:28:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash -170243191, now seen corresponding path program 1 times [2022-11-18 18:28:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:28:03,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522705268] [2022-11-18 18:28:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:28:03,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:28:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:28:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:28:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:28:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:28:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:28:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:28:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:28:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:28:04,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:28:04,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522705268] [2022-11-18 18:28:04,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522705268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:28:04,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:28:04,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:28:04,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666485490] [2022-11-18 18:28:04,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:28:04,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:28:04,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:28:04,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:28:04,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:28:04,862 INFO L87 Difference]: Start difference. First operand has 5391 states, 3395 states have (on average 1.2500736377025037) internal successors, (4244), 3748 states have internal predecessors, (4244), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:28:09,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:18,025 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 [] [2022-11-18 18:28:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:28:29,815 INFO L93 Difference]: Finished difference Result 10687 states and 15897 transitions. [2022-11-18 18:28:29,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:28:29,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2022-11-18 18:28:29,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:28:29,897 INFO L225 Difference]: With dead ends: 10687 [2022-11-18 18:28:29,897 INFO L226 Difference]: Without dead ends: 5250 [2022-11-18 18:28:29,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:28:29,946 INFO L413 NwaCegarLoop]: 6450 mSDtfsCounter, 7547 mSDsluCounter, 11493 mSDsCounter, 0 mSdLazyCounter, 7378 mSolverCounterSat, 4622 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9092 SdHoareTripleChecker+Valid, 17943 SdHoareTripleChecker+Invalid, 12001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4622 IncrementalHoareTripleChecker+Valid, 7378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:28:29,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9092 Valid, 17943 Invalid, 12001 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4622 Valid, 7378 Invalid, 1 Unknown, 0 Unchecked, 23.6s Time] [2022-11-18 18:28:29,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2022-11-18 18:28:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 5250. [2022-11-18 18:28:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5250 states, 3333 states have (on average 1.231923192319232) internal successors, (4106), 3648 states have internal predecessors, (4106), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-18 18:28:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5250 states to 5250 states and 7656 transitions. [2022-11-18 18:28:30,826 INFO L78 Accepts]: Start accepts. Automaton has 5250 states and 7656 transitions. Word has length 50 [2022-11-18 18:28:30,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:28:30,828 INFO L495 AbstractCegarLoop]: Abstraction has 5250 states and 7656 transitions. [2022-11-18 18:28:30,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:28:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 5250 states and 7656 transitions. [2022-11-18 18:28:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-18 18:28:30,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:28:30,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:28:30,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:28:30,834 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:28:30,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:28:30,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1204523555, now seen corresponding path program 1 times [2022-11-18 18:28:30,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:28:30,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113416247] [2022-11-18 18:28:30,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:28:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:28:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:28:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:28:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:28:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:28:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:28:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:28:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:28:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:28:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:28:31,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:28:31,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113416247] [2022-11-18 18:28:31,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113416247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:28:31,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:28:31,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:28:31,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368552532] [2022-11-18 18:28:31,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:28:31,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:28:31,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:28:31,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:28:31,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:28:31,643 INFO L87 Difference]: Start difference. First operand 5250 states and 7656 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:28:34,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:37,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:53,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:28:53,057 INFO L93 Difference]: Finished difference Result 5250 states and 7656 transitions. [2022-11-18 18:28:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:28:53,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-11-18 18:28:53,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:28:53,087 INFO L225 Difference]: With dead ends: 5250 [2022-11-18 18:28:53,088 INFO L226 Difference]: Without dead ends: 5248 [2022-11-18 18:28:53,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:28:53,091 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7387 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7321 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8917 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:28:53,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8917 Valid, 17509 Invalid, 11819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7321 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2022-11-18 18:28:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-11-18 18:28:53,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 5248. [2022-11-18 18:28:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 3332 states have (on average 1.2316926770708283) internal successors, (4104), 3646 states have internal predecessors, (4104), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-18 18:28:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 7654 transitions. [2022-11-18 18:28:53,565 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 7654 transitions. Word has length 56 [2022-11-18 18:28:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:28:53,566 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 7654 transitions. [2022-11-18 18:28:53,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:28:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 7654 transitions. [2022-11-18 18:28:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-18 18:28:53,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:28:53,573 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:28:53,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:28:53,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:28:53,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:28:53,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1339678912, now seen corresponding path program 1 times [2022-11-18 18:28:53,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:28:53,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629932836] [2022-11-18 18:28:53,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:28:53,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:28:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:28:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:28:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:28:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:28:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:28:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:28:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:28:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:28:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:28:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:28:54,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:28:54,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629932836] [2022-11-18 18:28:54,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629932836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:28:54,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:28:54,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:28:54,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033542290] [2022-11-18 18:28:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:28:54,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:28:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:28:54,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:28:54,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:28:54,281 INFO L87 Difference]: Start difference. First operand 5248 states and 7654 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 18:28:57,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:59,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:01,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:17,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:17,533 INFO L93 Difference]: Finished difference Result 5248 states and 7654 transitions. [2022-11-18 18:29:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:29:17,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 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 62 [2022-11-18 18:29:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:17,567 INFO L225 Difference]: With dead ends: 5248 [2022-11-18 18:29:17,568 INFO L226 Difference]: Without dead ends: 5246 [2022-11-18 18:29:17,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:29:17,575 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7381 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7316 mSolverCounterSat, 4498 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8910 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:17,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8910 Valid, 17509 Invalid, 11815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7316 Invalid, 1 Unknown, 0 Unchecked, 22.6s Time] [2022-11-18 18:29:17,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-11-18 18:29:18,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5246. [2022-11-18 18:29:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5246 states, 3331 states have (on average 1.2314620234163915) internal successors, (4102), 3644 states have internal predecessors, (4102), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-18 18:29:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7652 transitions. [2022-11-18 18:29:18,122 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7652 transitions. Word has length 62 [2022-11-18 18:29:18,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:18,124 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 7652 transitions. [2022-11-18 18:29:18,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 18:29:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7652 transitions. [2022-11-18 18:29:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-18 18:29:18,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:18,130 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:18,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:29:18,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:29:18,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:18,131 INFO L85 PathProgramCache]: Analyzing trace with hash 431635452, now seen corresponding path program 1 times [2022-11-18 18:29:18,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:29:18,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867570688] [2022-11-18 18:29:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:18,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:29:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:29:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:29:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:29:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:29:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:29:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:29:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:29:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:29:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:29:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:29:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:29:18,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:29:18,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867570688] [2022-11-18 18:29:18,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867570688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:29:18,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:29:18,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:29:18,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342223130] [2022-11-18 18:29:18,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:29:18,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:29:18,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:29:18,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:29:18,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:29:18,887 INFO L87 Difference]: Start difference. First operand 5246 states and 7652 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:29:21,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:22,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:24,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:40,113 INFO L93 Difference]: Finished difference Result 5246 states and 7652 transitions. [2022-11-18 18:29:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:29:40,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 4 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 68 [2022-11-18 18:29:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:40,142 INFO L225 Difference]: With dead ends: 5246 [2022-11-18 18:29:40,142 INFO L226 Difference]: Without dead ends: 5244 [2022-11-18 18:29:40,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:29:40,147 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7375 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7313 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8903 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:40,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8903 Valid, 17509 Invalid, 11811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7313 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2022-11-18 18:29:40,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2022-11-18 18:29:40,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 5244. [2022-11-18 18:29:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5244 states, 3330 states have (on average 1.2312312312312312) internal successors, (4100), 3642 states have internal predecessors, (4100), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-18 18:29:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 5244 states and 7650 transitions. [2022-11-18 18:29:40,641 INFO L78 Accepts]: Start accepts. Automaton has 5244 states and 7650 transitions. Word has length 68 [2022-11-18 18:29:40,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:40,644 INFO L495 AbstractCegarLoop]: Abstraction has 5244 states and 7650 transitions. [2022-11-18 18:29:40,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:29:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5244 states and 7650 transitions. [2022-11-18 18:29:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 18:29:40,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:40,649 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:40,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:29:40,649 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:29:40,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:40,650 INFO L85 PathProgramCache]: Analyzing trace with hash 749334112, now seen corresponding path program 1 times [2022-11-18 18:29:40,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:29:40,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898473842] [2022-11-18 18:29:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:29:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:29:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:29:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:29:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:29:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:29:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:29:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:29:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:29:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:29:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:29:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:29:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:29:41,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:29:41,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898473842] [2022-11-18 18:29:41,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898473842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:29:41,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:29:41,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:29:41,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306120082] [2022-11-18 18:29:41,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:29:41,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:29:41,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:29:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:29:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:29:41,240 INFO L87 Difference]: Start difference. First operand 5244 states and 7650 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 18:29:59,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:59,480 INFO L93 Difference]: Finished difference Result 5244 states and 7650 transitions. [2022-11-18 18:29:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:29:59,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 4 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 74 [2022-11-18 18:29:59,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:59,511 INFO L225 Difference]: With dead ends: 5244 [2022-11-18 18:29:59,511 INFO L226 Difference]: Without dead ends: 5242 [2022-11-18 18:29:59,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:29:59,516 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7369 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7309 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8896 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:59,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8896 Valid, 17509 Invalid, 11807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7309 Invalid, 0 Unknown, 0 Unchecked, 17.6s Time] [2022-11-18 18:29:59,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2022-11-18 18:29:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 5242. [2022-11-18 18:29:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5242 states, 3329 states have (on average 1.2310003003905077) internal successors, (4098), 3640 states have internal predecessors, (4098), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-18 18:30:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 5242 states and 7648 transitions. [2022-11-18 18:30:00,008 INFO L78 Accepts]: Start accepts. Automaton has 5242 states and 7648 transitions. Word has length 74 [2022-11-18 18:30:00,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:30:00,008 INFO L495 AbstractCegarLoop]: Abstraction has 5242 states and 7648 transitions. [2022-11-18 18:30:00,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 18:30:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 7648 transitions. [2022-11-18 18:30:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 18:30:00,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:30:00,010 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:30:00,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:30:00,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:30:00,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:30:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash 308375828, now seen corresponding path program 1 times [2022-11-18 18:30:00,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:30:00,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842183254] [2022-11-18 18:30:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:30:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:30:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:30:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:30:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:30:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:30:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:30:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:30:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:30:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:30:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:30:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:30:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:30:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:30:00,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:30:00,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842183254] [2022-11-18 18:30:00,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842183254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:30:00,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:30:00,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:30:00,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261690788] [2022-11-18 18:30:00,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:30:00,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:30:00,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:30:00,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:30:00,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:30:00,784 INFO L87 Difference]: Start difference. First operand 5242 states and 7648 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:30:04,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:22,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:30:22,980 INFO L93 Difference]: Finished difference Result 5242 states and 7648 transitions. [2022-11-18 18:30:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:30:22,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 4 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 80 [2022-11-18 18:30:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:30:23,004 INFO L225 Difference]: With dead ends: 5242 [2022-11-18 18:30:23,004 INFO L226 Difference]: Without dead ends: 5240 [2022-11-18 18:30:23,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:30:23,008 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7363 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7305 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8889 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:30:23,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8889 Valid, 17509 Invalid, 11803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7305 Invalid, 0 Unknown, 0 Unchecked, 21.4s Time] [2022-11-18 18:30:23,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-11-18 18:30:23,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 5240. [2022-11-18 18:30:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5240 states, 3328 states have (on average 1.2307692307692308) internal successors, (4096), 3638 states have internal predecessors, (4096), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-18 18:30:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 5240 states and 7646 transitions. [2022-11-18 18:30:23,566 INFO L78 Accepts]: Start accepts. Automaton has 5240 states and 7646 transitions. Word has length 80 [2022-11-18 18:30:23,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:30:23,568 INFO L495 AbstractCegarLoop]: Abstraction has 5240 states and 7646 transitions. [2022-11-18 18:30:23,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:30:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5240 states and 7646 transitions. [2022-11-18 18:30:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 18:30:23,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:30:23,573 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:30:23,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:30:23,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:30:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:30:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash 731614265, now seen corresponding path program 1 times [2022-11-18 18:30:23,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:30:23,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24755658] [2022-11-18 18:30:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:23,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:30:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:30:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:30:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:30:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:30:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:30:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:30:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:30:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:30:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:30:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:30:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:30:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:30:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:30:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:30:24,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:30:24,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24755658] [2022-11-18 18:30:24,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24755658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:30:24,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:30:24,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:30:24,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292475820] [2022-11-18 18:30:24,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:30:24,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:30:24,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:30:24,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:30:24,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:30:24,242 INFO L87 Difference]: Start difference. First operand 5240 states and 7646 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:30:27,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:34,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:30:43,798 INFO L93 Difference]: Finished difference Result 5295 states and 7699 transitions. [2022-11-18 18:30:43,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:30:43,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 4 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 86 [2022-11-18 18:30:43,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:30:43,823 INFO L225 Difference]: With dead ends: 5295 [2022-11-18 18:30:43,824 INFO L226 Difference]: Without dead ends: 5293 [2022-11-18 18:30:43,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:30:43,829 INFO L413 NwaCegarLoop]: 6302 mSDtfsCounter, 7388 mSDsluCounter, 11211 mSDsCounter, 0 mSdLazyCounter, 7422 mSolverCounterSat, 4508 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8913 SdHoareTripleChecker+Valid, 17513 SdHoareTripleChecker+Invalid, 11931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4508 IncrementalHoareTripleChecker+Valid, 7422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:30:43,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8913 Valid, 17513 Invalid, 11931 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4508 Valid, 7422 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2022-11-18 18:30:43,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5293 states. [2022-11-18 18:30:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5293 to 5289. [2022-11-18 18:30:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 3363 states have (on average 1.2289622360987214) internal successors, (4133), 3672 states have internal predecessors, (4133), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:30:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 7695 transitions. [2022-11-18 18:30:44,517 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 7695 transitions. Word has length 86 [2022-11-18 18:30:44,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:30:44,518 INFO L495 AbstractCegarLoop]: Abstraction has 5289 states and 7695 transitions. [2022-11-18 18:30:44,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:30:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 7695 transitions. [2022-11-18 18:30:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-18 18:30:44,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:30:44,523 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:30:44,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:30:44,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:30:44,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:30:44,524 INFO L85 PathProgramCache]: Analyzing trace with hash 72546525, now seen corresponding path program 1 times [2022-11-18 18:30:44,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:30:44,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732903596] [2022-11-18 18:30:44,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:44,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:30:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:30:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:30:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:30:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:30:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:30:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:30:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:30:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:30:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:30:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:30:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:30:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:30:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:30:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:30:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:30:45,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:30:45,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732903596] [2022-11-18 18:30:45,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732903596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:30:45,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:30:45,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:30:45,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885738608] [2022-11-18 18:30:45,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:30:45,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:30:45,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:30:45,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:30:45,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:30:45,179 INFO L87 Difference]: Start difference. First operand 5289 states and 7695 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:30:56,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:06,837 INFO L93 Difference]: Finished difference Result 5289 states and 7695 transitions. [2022-11-18 18:31:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:31:06,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 4 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 92 [2022-11-18 18:31:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:06,863 INFO L225 Difference]: With dead ends: 5289 [2022-11-18 18:31:06,863 INFO L226 Difference]: Without dead ends: 5287 [2022-11-18 18:31:06,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:31:06,870 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7355 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7293 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8879 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:06,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8879 Valid, 17509 Invalid, 11791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7293 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-11-18 18:31:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5287 states. [2022-11-18 18:31:07,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5287 to 5287. [2022-11-18 18:31:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5287 states, 3362 states have (on average 1.2287328970850684) internal successors, (4131), 3670 states have internal predecessors, (4131), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:31:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5287 states to 5287 states and 7693 transitions. [2022-11-18 18:31:07,581 INFO L78 Accepts]: Start accepts. Automaton has 5287 states and 7693 transitions. Word has length 92 [2022-11-18 18:31:07,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:07,582 INFO L495 AbstractCegarLoop]: Abstraction has 5287 states and 7693 transitions. [2022-11-18 18:31:07,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:31:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 5287 states and 7693 transitions. [2022-11-18 18:31:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 18:31:07,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:07,584 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:07,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:31:07,585 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:31:07,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:07,585 INFO L85 PathProgramCache]: Analyzing trace with hash 997867712, now seen corresponding path program 1 times [2022-11-18 18:31:07,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:07,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755167131] [2022-11-18 18:31:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:31:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:31:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:31:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:31:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:31:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:31:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:31:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:31:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:31:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:31:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:31:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:31:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:31:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:31:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:31:08,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:08,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755167131] [2022-11-18 18:31:08,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755167131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:08,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:08,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:31:08,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364696150] [2022-11-18 18:31:08,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:08,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:31:08,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:08,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:31:08,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:31:08,233 INFO L87 Difference]: Start difference. First operand 5287 states and 7693 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:31:10,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:13,229 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 [] [2022-11-18 18:31:28,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:28,896 INFO L93 Difference]: Finished difference Result 5287 states and 7693 transitions. [2022-11-18 18:31:28,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:31:28,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 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 94 [2022-11-18 18:31:28,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:28,923 INFO L225 Difference]: With dead ends: 5287 [2022-11-18 18:31:28,923 INFO L226 Difference]: Without dead ends: 5285 [2022-11-18 18:31:28,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:31:28,929 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7343 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7293 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8867 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:28,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8867 Valid, 17509 Invalid, 11791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7293 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-18 18:31:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5285 states. [2022-11-18 18:31:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5285 to 5285. [2022-11-18 18:31:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 3361 states have (on average 1.228503421600714) internal successors, (4129), 3668 states have internal predecessors, (4129), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:31:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7691 transitions. [2022-11-18 18:31:29,576 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7691 transitions. Word has length 94 [2022-11-18 18:31:29,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:29,577 INFO L495 AbstractCegarLoop]: Abstraction has 5285 states and 7691 transitions. [2022-11-18 18:31:29,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:31:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7691 transitions. [2022-11-18 18:31:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-18 18:31:29,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:29,580 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:29,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:31:29,581 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:31:29,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:29,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1738160404, now seen corresponding path program 1 times [2022-11-18 18:31:29,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:29,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958912733] [2022-11-18 18:31:29,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:29,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:31:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:31:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:31:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:31:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:31:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:31:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:31:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:31:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:31:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:31:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:31:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:31:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:31:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:31:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:31:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:31:30,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:30,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958912733] [2022-11-18 18:31:30,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958912733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:30,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:30,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:31:30,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340378918] [2022-11-18 18:31:30,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:30,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:31:30,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:30,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:31:30,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:31:30,180 INFO L87 Difference]: Start difference. First operand 5285 states and 7691 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:31:32,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:34,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:51,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:51,942 INFO L93 Difference]: Finished difference Result 5285 states and 7691 transitions. [2022-11-18 18:31:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:31:51,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 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 100 [2022-11-18 18:31:51,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:51,966 INFO L225 Difference]: With dead ends: 5285 [2022-11-18 18:31:51,966 INFO L226 Difference]: Without dead ends: 5283 [2022-11-18 18:31:51,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:31:51,971 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7339 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7289 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8862 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:51,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8862 Valid, 17509 Invalid, 11787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7289 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-11-18 18:31:51,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2022-11-18 18:31:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5283. [2022-11-18 18:31:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 3360 states have (on average 1.2282738095238095) internal successors, (4127), 3666 states have internal predecessors, (4127), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:31:52,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 7689 transitions. [2022-11-18 18:31:52,736 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 7689 transitions. Word has length 100 [2022-11-18 18:31:52,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:52,736 INFO L495 AbstractCegarLoop]: Abstraction has 5283 states and 7689 transitions. [2022-11-18 18:31:52,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:31:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 7689 transitions. [2022-11-18 18:31:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:31:52,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:52,740 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:52,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:31:52,741 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:31:52,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash 966811042, now seen corresponding path program 1 times [2022-11-18 18:31:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:52,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350040811] [2022-11-18 18:31:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:31:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:31:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:31:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:31:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:31:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:31:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:31:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:31:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:31:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:31:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:31:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:31:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:31:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:31:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:31:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:31:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:31:53,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:53,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350040811] [2022-11-18 18:31:53,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350040811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:53,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:53,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:31:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262835326] [2022-11-18 18:31:53,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:53,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:31:53,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:53,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:31:53,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:31:53,363 INFO L87 Difference]: Start difference. First operand 5283 states and 7689 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:32:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:32:14,854 INFO L93 Difference]: Finished difference Result 5283 states and 7689 transitions. [2022-11-18 18:32:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:32:14,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 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 106 [2022-11-18 18:32:14,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:32:14,874 INFO L225 Difference]: With dead ends: 5283 [2022-11-18 18:32:14,874 INFO L226 Difference]: Without dead ends: 5281 [2022-11-18 18:32:14,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:32:14,878 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7333 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7285 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8855 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:32:14,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8855 Valid, 17509 Invalid, 11783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7285 Invalid, 0 Unknown, 0 Unchecked, 20.4s Time] [2022-11-18 18:32:14,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5281 states. [2022-11-18 18:32:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5281 to 5281. [2022-11-18 18:32:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3359 states have (on average 1.2280440607323608) internal successors, (4125), 3664 states have internal predecessors, (4125), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:32:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 7687 transitions. [2022-11-18 18:32:15,704 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 7687 transitions. Word has length 106 [2022-11-18 18:32:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:32:15,705 INFO L495 AbstractCegarLoop]: Abstraction has 5281 states and 7687 transitions. [2022-11-18 18:32:15,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:32:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 7687 transitions. [2022-11-18 18:32:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-18 18:32:15,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:32:15,709 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:32:15,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:32:15,710 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:32:15,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:15,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1743923214, now seen corresponding path program 1 times [2022-11-18 18:32:15,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:32:15,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021169436] [2022-11-18 18:32:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:15,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:32:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:32:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:32:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:32:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:32:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:32:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:32:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:32:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:32:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:32:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:32:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:32:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:32:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:32:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:32:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:32:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:32:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:32:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:32:16,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:32:16,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021169436] [2022-11-18 18:32:16,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021169436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:32:16,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:32:16,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:32:16,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441283342] [2022-11-18 18:32:16,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:32:16,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:32:16,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:32:16,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:32:16,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:32:16,304 INFO L87 Difference]: Start difference. First operand 5281 states and 7687 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:32:37,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:32:37,959 INFO L93 Difference]: Finished difference Result 5281 states and 7687 transitions. [2022-11-18 18:32:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:32:37,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (18), 4 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 112 [2022-11-18 18:32:37,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:32:37,977 INFO L225 Difference]: With dead ends: 5281 [2022-11-18 18:32:37,977 INFO L226 Difference]: Without dead ends: 5279 [2022-11-18 18:32:37,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:32:37,980 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7327 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7281 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8848 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:32:37,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8848 Valid, 17509 Invalid, 11779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7281 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2022-11-18 18:32:37,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2022-11-18 18:32:38,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 5279. [2022-11-18 18:32:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 3358 states have (on average 1.2278141751042286) internal successors, (4123), 3662 states have internal predecessors, (4123), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:32:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 7685 transitions. [2022-11-18 18:32:38,810 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 7685 transitions. Word has length 112 [2022-11-18 18:32:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:32:38,814 INFO L495 AbstractCegarLoop]: Abstraction has 5279 states and 7685 transitions. [2022-11-18 18:32:38,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:32:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 7685 transitions. [2022-11-18 18:32:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-18 18:32:38,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:32:38,817 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:32:38,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:32:38,817 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:32:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:38,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1474942881, now seen corresponding path program 1 times [2022-11-18 18:32:38,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:32:38,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917013240] [2022-11-18 18:32:38,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:38,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:32:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:32:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:32:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:32:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:32:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:32:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:32:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:32:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:32:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:32:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:32:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:32:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:32:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:32:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:32:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:32:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:32:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:32:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:32:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:32:39,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:32:39,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917013240] [2022-11-18 18:32:39,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917013240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:32:39,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:32:39,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:32:39,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965776273] [2022-11-18 18:32:39,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:32:39,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:32:39,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:32:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:32:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:32:39,563 INFO L87 Difference]: Start difference. First operand 5279 states and 7685 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:32:43,011 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 [] [2022-11-18 18:32:53,099 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 [] [2022-11-18 18:33:03,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:03,356 INFO L93 Difference]: Finished difference Result 5283 states and 7687 transitions. [2022-11-18 18:33:03,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:33:03,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2022-11-18 18:33:03,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:03,375 INFO L225 Difference]: With dead ends: 5283 [2022-11-18 18:33:03,375 INFO L226 Difference]: Without dead ends: 5281 [2022-11-18 18:33:03,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:33:03,380 INFO L413 NwaCegarLoop]: 6302 mSDtfsCounter, 7352 mSDsluCounter, 11211 mSDsCounter, 0 mSdLazyCounter, 7397 mSolverCounterSat, 4508 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8872 SdHoareTripleChecker+Valid, 17513 SdHoareTripleChecker+Invalid, 11907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4508 IncrementalHoareTripleChecker+Valid, 7397 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:03,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8872 Valid, 17513 Invalid, 11907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4508 Valid, 7397 Invalid, 2 Unknown, 0 Unchecked, 22.7s Time] [2022-11-18 18:33:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5281 states. [2022-11-18 18:33:04,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5281 to 5277. [2022-11-18 18:33:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 3357 states have (on average 1.2275841525171285) internal successors, (4121), 3660 states have internal predecessors, (4121), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:33:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7683 transitions. [2022-11-18 18:33:04,046 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7683 transitions. Word has length 118 [2022-11-18 18:33:04,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:04,046 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 7683 transitions. [2022-11-18 18:33:04,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:33:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7683 transitions. [2022-11-18 18:33:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-18 18:33:04,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:04,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:04,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:33:04,049 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:33:04,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:04,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1432693425, now seen corresponding path program 1 times [2022-11-18 18:33:04,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:33:04,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739474662] [2022-11-18 18:33:04,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:33:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:33:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:33:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:33:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:33:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:33:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:33:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:33:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:33:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:33:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:33:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:33:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:33:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:33:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:33:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:33:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:33:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:33:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:33:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:33:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:33:04,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:33:04,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739474662] [2022-11-18 18:33:04,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739474662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:04,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:04,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:33:04,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214562287] [2022-11-18 18:33:04,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:04,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:33:04,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:33:04,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:33:04,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:33:04,696 INFO L87 Difference]: Start difference. First operand 5277 states and 7683 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:33:06,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:08,842 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 [] [2022-11-18 18:33:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:24,474 INFO L93 Difference]: Finished difference Result 5277 states and 7683 transitions. [2022-11-18 18:33:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:33:24,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2022-11-18 18:33:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:24,492 INFO L225 Difference]: With dead ends: 5277 [2022-11-18 18:33:24,492 INFO L226 Difference]: Without dead ends: 5275 [2022-11-18 18:33:24,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:33:24,495 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7315 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7272 mSolverCounterSat, 4498 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8834 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:24,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8834 Valid, 17509 Invalid, 11771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7272 Invalid, 1 Unknown, 0 Unchecked, 18.7s Time] [2022-11-18 18:33:24,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5275 states. [2022-11-18 18:33:25,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5275 to 5275. [2022-11-18 18:33:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5275 states, 3356 states have (on average 1.2273539928486292) internal successors, (4119), 3658 states have internal predecessors, (4119), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:33:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 7681 transitions. [2022-11-18 18:33:25,195 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 7681 transitions. Word has length 124 [2022-11-18 18:33:25,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:25,196 INFO L495 AbstractCegarLoop]: Abstraction has 5275 states and 7681 transitions. [2022-11-18 18:33:25,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:33:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 7681 transitions. [2022-11-18 18:33:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-18 18:33:25,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:25,198 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:25,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:33:25,198 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:33:25,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:25,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1544840903, now seen corresponding path program 1 times [2022-11-18 18:33:25,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:33:25,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725525593] [2022-11-18 18:33:25,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:25,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:33:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:33:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:33:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:33:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:33:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:33:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:33:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:33:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:33:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:33:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:33:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:33:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:33:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:33:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:33:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:33:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:33:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:33:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:33:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:33:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:33:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:33:25,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:33:25,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725525593] [2022-11-18 18:33:25,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725525593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:25,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:25,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:33:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587217063] [2022-11-18 18:33:25,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:25,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:33:25,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:33:25,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:33:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:33:25,904 INFO L87 Difference]: Start difference. First operand 5275 states and 7681 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:33:29,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:31,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:46,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:46,839 INFO L93 Difference]: Finished difference Result 5275 states and 7681 transitions. [2022-11-18 18:33:46,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:33:46,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2022-11-18 18:33:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:46,854 INFO L225 Difference]: With dead ends: 5275 [2022-11-18 18:33:46,854 INFO L226 Difference]: Without dead ends: 5273 [2022-11-18 18:33:46,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:33:46,858 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7309 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7269 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8827 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:46,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8827 Valid, 17509 Invalid, 11767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7269 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-18 18:33:46,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2022-11-18 18:33:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 5273. [2022-11-18 18:33:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5273 states, 3355 states have (on average 1.227123695976155) internal successors, (4117), 3656 states have internal predecessors, (4117), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:33:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 5273 states and 7679 transitions. [2022-11-18 18:33:47,499 INFO L78 Accepts]: Start accepts. Automaton has 5273 states and 7679 transitions. Word has length 130 [2022-11-18 18:33:47,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:47,499 INFO L495 AbstractCegarLoop]: Abstraction has 5273 states and 7679 transitions. [2022-11-18 18:33:47,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:33:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 7679 transitions. [2022-11-18 18:33:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-18 18:33:47,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:47,502 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:47,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:33:47,502 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:33:47,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:47,503 INFO L85 PathProgramCache]: Analyzing trace with hash 153746287, now seen corresponding path program 1 times [2022-11-18 18:33:47,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:33:47,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944168105] [2022-11-18 18:33:47,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:47,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:33:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:33:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:33:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:33:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:33:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:33:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:33:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:33:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:33:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:33:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:33:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:33:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:33:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:33:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:33:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:33:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:33:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:33:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:33:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:33:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:33:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:33:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:33:48,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:33:48,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944168105] [2022-11-18 18:33:48,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944168105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:48,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:48,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:33:48,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730691998] [2022-11-18 18:33:48,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:48,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:33:48,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:33:48,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:33:48,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:33:48,830 INFO L87 Difference]: Start difference. First operand 5273 states and 7679 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 18:33:52,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:09,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:34:09,876 INFO L93 Difference]: Finished difference Result 5273 states and 7679 transitions. [2022-11-18 18:34:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:34:09,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2022-11-18 18:34:09,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:34:09,889 INFO L225 Difference]: With dead ends: 5273 [2022-11-18 18:34:09,889 INFO L226 Difference]: Without dead ends: 5271 [2022-11-18 18:34:09,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:34:09,891 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7303 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7265 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8820 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:34:09,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8820 Valid, 17509 Invalid, 11763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7265 Invalid, 0 Unknown, 0 Unchecked, 19.9s Time] [2022-11-18 18:34:09,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5271 states. [2022-11-18 18:34:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5271 to 5271. [2022-11-18 18:34:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 3354 states have (on average 1.2268932617769828) internal successors, (4115), 3654 states have internal predecessors, (4115), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:34:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 7677 transitions. [2022-11-18 18:34:10,487 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 7677 transitions. Word has length 136 [2022-11-18 18:34:10,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:34:10,487 INFO L495 AbstractCegarLoop]: Abstraction has 5271 states and 7677 transitions. [2022-11-18 18:34:10,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 18:34:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 7677 transitions. [2022-11-18 18:34:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-18 18:34:10,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:34:10,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:34:10,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:34:10,490 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:34:10,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:34:10,491 INFO L85 PathProgramCache]: Analyzing trace with hash -425823645, now seen corresponding path program 1 times [2022-11-18 18:34:10,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:34:10,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226447364] [2022-11-18 18:34:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:34:10,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:34:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:34:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:34:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:34:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:34:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:34:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:10,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:34:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:34:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:34:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:34:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:34:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:34:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:34:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:34:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:34:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:34:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:34:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:34:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:34:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:34:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:34:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:34:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 18:34:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:34:11,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:34:11,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226447364] [2022-11-18 18:34:11,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226447364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:34:11,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:34:11,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:34:11,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631505555] [2022-11-18 18:34:11,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:34:11,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:34:11,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:34:11,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:34:11,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:34:11,276 INFO L87 Difference]: Start difference. First operand 5271 states and 7677 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:34:14,359 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 [] [2022-11-18 18:34:32,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:34:32,239 INFO L93 Difference]: Finished difference Result 5275 states and 7679 transitions. [2022-11-18 18:34:32,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:34:32,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2022-11-18 18:34:32,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:34:32,253 INFO L225 Difference]: With dead ends: 5275 [2022-11-18 18:34:32,254 INFO L226 Difference]: Without dead ends: 5273 [2022-11-18 18:34:32,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:34:32,257 INFO L413 NwaCegarLoop]: 6302 mSDtfsCounter, 7328 mSDsluCounter, 11211 mSDsCounter, 0 mSdLazyCounter, 7382 mSolverCounterSat, 4508 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8844 SdHoareTripleChecker+Valid, 17513 SdHoareTripleChecker+Invalid, 11891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4508 IncrementalHoareTripleChecker+Valid, 7382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:34:32,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8844 Valid, 17513 Invalid, 11891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4508 Valid, 7382 Invalid, 1 Unknown, 0 Unchecked, 19.7s Time] [2022-11-18 18:34:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2022-11-18 18:34:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 5269. [2022-11-18 18:34:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5269 states, 3353 states have (on average 1.2266626901282434) internal successors, (4113), 3652 states have internal predecessors, (4113), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:34:32,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 5269 states and 7675 transitions. [2022-11-18 18:34:32,904 INFO L78 Accepts]: Start accepts. Automaton has 5269 states and 7675 transitions. Word has length 142 [2022-11-18 18:34:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:34:32,905 INFO L495 AbstractCegarLoop]: Abstraction has 5269 states and 7675 transitions. [2022-11-18 18:34:32,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:34:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 7675 transitions. [2022-11-18 18:34:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-18 18:34:32,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:34:32,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:34:32,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 18:34:32,909 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:34:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:34:32,910 INFO L85 PathProgramCache]: Analyzing trace with hash 563853865, now seen corresponding path program 1 times [2022-11-18 18:34:32,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:34:32,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786934750] [2022-11-18 18:34:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:34:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:34:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:34:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:34:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:34:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:34:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:34:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:34:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:34:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:34:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:34:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:34:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:34:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:34:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:34:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:34:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:34:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:34:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:34:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:34:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:34:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:34:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:34:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 18:34:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 18:34:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:34:33,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:34:33,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786934750] [2022-11-18 18:34:33,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786934750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:34:33,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:34:33,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:34:33,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406522179] [2022-11-18 18:34:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:34:33,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:34:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:34:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:34:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:34:33,639 INFO L87 Difference]: Start difference. First operand 5269 states and 7675 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:34:36,953 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 [] [2022-11-18 18:34:40,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:54,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:34:54,488 INFO L93 Difference]: Finished difference Result 5269 states and 7675 transitions. [2022-11-18 18:34:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:34:54,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2022-11-18 18:34:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:34:54,501 INFO L225 Difference]: With dead ends: 5269 [2022-11-18 18:34:54,501 INFO L226 Difference]: Without dead ends: 5267 [2022-11-18 18:34:54,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:34:54,505 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7291 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7257 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8806 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:34:54,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8806 Valid, 17509 Invalid, 11755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7257 Invalid, 0 Unknown, 0 Unchecked, 19.6s Time] [2022-11-18 18:34:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states. [2022-11-18 18:34:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5267 to 5267. [2022-11-18 18:34:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5267 states, 3352 states have (on average 1.2264319809069213) internal successors, (4111), 3650 states have internal predecessors, (4111), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:34:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 5267 states and 7673 transitions. [2022-11-18 18:34:55,397 INFO L78 Accepts]: Start accepts. Automaton has 5267 states and 7673 transitions. Word has length 148 [2022-11-18 18:34:55,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:34:55,397 INFO L495 AbstractCegarLoop]: Abstraction has 5267 states and 7673 transitions. [2022-11-18 18:34:55,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:34:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 5267 states and 7673 transitions. [2022-11-18 18:34:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-18 18:34:55,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:34:55,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:34:55,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 18:34:55,401 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:34:55,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:34:55,401 INFO L85 PathProgramCache]: Analyzing trace with hash -203541671, now seen corresponding path program 1 times [2022-11-18 18:34:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:34:55,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401113965] [2022-11-18 18:34:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:34:55,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:34:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:34:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:34:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:34:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:34:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:34:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:34:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:34:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:34:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:34:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:34:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:34:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:34:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:34:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:34:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:34:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:34:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:34:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:34:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:34:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:34:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:34:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 18:34:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 18:34:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 18:34:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:34:56,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:34:56,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401113965] [2022-11-18 18:34:56,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401113965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:34:56,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:34:56,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:34:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839835997] [2022-11-18 18:34:56,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:34:56,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:34:56,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:34:56,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:34:56,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:34:56,144 INFO L87 Difference]: Start difference. First operand 5267 states and 7673 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 18:34:59,295 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 [] [2022-11-18 18:35:03,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:07,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:18,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:18,630 INFO L93 Difference]: Finished difference Result 5271 states and 7675 transitions. [2022-11-18 18:35:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:35:18,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2022-11-18 18:35:18,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:18,641 INFO L225 Difference]: With dead ends: 5271 [2022-11-18 18:35:18,641 INFO L226 Difference]: Without dead ends: 5269 [2022-11-18 18:35:18,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:35:18,643 INFO L413 NwaCegarLoop]: 6302 mSDtfsCounter, 7316 mSDsluCounter, 11211 mSDsCounter, 0 mSdLazyCounter, 7374 mSolverCounterSat, 4508 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8830 SdHoareTripleChecker+Valid, 17513 SdHoareTripleChecker+Invalid, 11883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4508 IncrementalHoareTripleChecker+Valid, 7374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:35:18,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8830 Valid, 17513 Invalid, 11883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4508 Valid, 7374 Invalid, 1 Unknown, 0 Unchecked, 21.1s Time] [2022-11-18 18:35:18,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5269 states. [2022-11-18 18:35:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5269 to 5265. [2022-11-18 18:35:19,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5265 states, 3351 states have (on average 1.2262011339898538) internal successors, (4109), 3648 states have internal predecessors, (4109), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:35:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 7671 transitions. [2022-11-18 18:35:19,295 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 7671 transitions. Word has length 154 [2022-11-18 18:35:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:19,295 INFO L495 AbstractCegarLoop]: Abstraction has 5265 states and 7671 transitions. [2022-11-18 18:35:19,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 18:35:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 7671 transitions. [2022-11-18 18:35:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-18 18:35:19,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:19,299 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:35:19,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 18:35:19,299 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:35:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:19,300 INFO L85 PathProgramCache]: Analyzing trace with hash 279370170, now seen corresponding path program 1 times [2022-11-18 18:35:19,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:19,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790962775] [2022-11-18 18:35:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:35:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:35:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:35:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:35:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:35:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:35:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 18:35:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:35:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:35:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 18:35:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:35:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:35:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:35:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:35:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:35:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:35:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:35:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:35:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:35:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:35:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:35:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:35:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-11-18 18:35:20,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:35:20,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790962775] [2022-11-18 18:35:20,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790962775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:20,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:20,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:35:20,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858392575] [2022-11-18 18:35:20,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:20,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:35:20,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:35:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:35:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:35:20,822 INFO L87 Difference]: Start difference. First operand 5265 states and 7671 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:35:24,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:25,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:27,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:32,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:57,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:57,031 INFO L93 Difference]: Finished difference Result 5456 states and 8078 transitions. [2022-11-18 18:35:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:35:57,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 209 [2022-11-18 18:35:57,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:57,056 INFO L225 Difference]: With dead ends: 5456 [2022-11-18 18:35:57,056 INFO L226 Difference]: Without dead ends: 5454 [2022-11-18 18:35:57,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:35:57,060 INFO L413 NwaCegarLoop]: 6357 mSDtfsCounter, 8105 mSDsluCounter, 19177 mSDsCounter, 0 mSdLazyCounter, 12948 mSolverCounterSat, 6861 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9564 SdHoareTripleChecker+Valid, 25534 SdHoareTripleChecker+Invalid, 19809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6861 IncrementalHoareTripleChecker+Valid, 12948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:35:57,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9564 Valid, 25534 Invalid, 19809 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6861 Valid, 12948 Invalid, 0 Unknown, 0 Unchecked, 34.5s Time] [2022-11-18 18:35:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5454 states. [2022-11-18 18:35:58,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5454 to 5271. [2022-11-18 18:35:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 3356 states have (on average 1.2252681764004767) internal successors, (4112), 3652 states have internal predecessors, (4112), 1782 states have call successors, (1782), 129 states have call predecessors, (1782), 128 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:35:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 7674 transitions. [2022-11-18 18:35:58,267 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 7674 transitions. Word has length 209 [2022-11-18 18:35:58,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:58,268 INFO L495 AbstractCegarLoop]: Abstraction has 5271 states and 7674 transitions. [2022-11-18 18:35:58,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:35:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 7674 transitions. [2022-11-18 18:35:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-18 18:35:58,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:58,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:35:58,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 18:35:58,272 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:35:58,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:58,272 INFO L85 PathProgramCache]: Analyzing trace with hash -387864570, now seen corresponding path program 1 times [2022-11-18 18:35:58,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:58,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287450457] [2022-11-18 18:35:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:58,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:35:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:35:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:35:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:35:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:35:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:35:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:35:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:35:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:35:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:35:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:35:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:35:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:35:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:35:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:35:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:35:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:35:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:35:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:35:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:35:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 18:35:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 18:35:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 18:35:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:35:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:35:59,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:35:59,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287450457] [2022-11-18 18:35:59,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287450457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:59,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:59,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:35:59,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941718399] [2022-11-18 18:35:59,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:59,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:35:59,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:35:59,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:35:59,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:35:59,135 INFO L87 Difference]: Start difference. First operand 5271 states and 7674 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 18:36:02,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:03,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:20,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:36:20,667 INFO L93 Difference]: Finished difference Result 5271 states and 7674 transitions. [2022-11-18 18:36:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:36:20,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2022-11-18 18:36:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:36:20,683 INFO L225 Difference]: With dead ends: 5271 [2022-11-18 18:36:20,683 INFO L226 Difference]: Without dead ends: 5269 [2022-11-18 18:36:20,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:36:20,686 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7273 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7245 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8786 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:36:20,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8786 Valid, 17509 Invalid, 11743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7245 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2022-11-18 18:36:20,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5269 states. [2022-11-18 18:36:21,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5269 to 5269. [2022-11-18 18:36:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5269 states, 3355 states have (on average 1.225037257824143) internal successors, (4110), 3650 states have internal predecessors, (4110), 1782 states have call successors, (1782), 129 states have call predecessors, (1782), 128 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-18 18:36:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 5269 states and 7672 transitions. [2022-11-18 18:36:21,597 INFO L78 Accepts]: Start accepts. Automaton has 5269 states and 7672 transitions. Word has length 160 [2022-11-18 18:36:21,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:36:21,598 INFO L495 AbstractCegarLoop]: Abstraction has 5269 states and 7672 transitions. [2022-11-18 18:36:21,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 18:36:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 7672 transitions. [2022-11-18 18:36:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-18 18:36:21,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:36:21,600 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:21,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 18:36:21,601 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:36:21,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:21,601 INFO L85 PathProgramCache]: Analyzing trace with hash 926913760, now seen corresponding path program 1 times [2022-11-18 18:36:21,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:21,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13848406] [2022-11-18 18:36:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:21,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:36:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:36:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:36:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:36:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:36:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:36:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:36:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:36:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 18:36:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 18:36:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 18:36:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 18:36:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:36:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 18:36:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 18:36:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:36:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 18:36:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:36:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:36:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:36:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 18:36:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 18:36:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 18:36:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:36:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:36:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:36:22,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:22,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13848406] [2022-11-18 18:36:22,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13848406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:22,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:22,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:36:22,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932400998] [2022-11-18 18:36:22,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:22,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:36:22,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:22,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:36:22,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:36:22,312 INFO L87 Difference]: Start difference. First operand 5269 states and 7672 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:36:25,450 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 [] [2022-11-18 18:36:42,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:36:42,760 INFO L93 Difference]: Finished difference Result 5269 states and 7672 transitions. [2022-11-18 18:36:42,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:36:42,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2022-11-18 18:36:42,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:36:42,780 INFO L225 Difference]: With dead ends: 5269 [2022-11-18 18:36:42,781 INFO L226 Difference]: Without dead ends: 5114 [2022-11-18 18:36:42,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:36:42,785 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7264 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7243 mSolverCounterSat, 4498 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8776 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:36:42,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8776 Valid, 17509 Invalid, 11742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7243 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2022-11-18 18:36:42,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2022-11-18 18:36:43,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5114. [2022-11-18 18:36:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 3266 states have (on average 1.230251071647275) internal successors, (4018), 3559 states have internal predecessors, (4018), 1736 states have call successors, (1736), 109 states have call predecessors, (1736), 109 states have return successors, (1736), 1472 states have call predecessors, (1736), 1736 states have call successors, (1736) [2022-11-18 18:36:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 7490 transitions. [2022-11-18 18:36:43,662 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 7490 transitions. Word has length 166 [2022-11-18 18:36:43,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:36:43,663 INFO L495 AbstractCegarLoop]: Abstraction has 5114 states and 7490 transitions. [2022-11-18 18:36:43,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:36:43,663 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 7490 transitions. [2022-11-18 18:36:43,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-18 18:36:43,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:36:43,665 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:43,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 18:36:43,665 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:36:43,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:43,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1264836992, now seen corresponding path program 1 times [2022-11-18 18:36:43,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:43,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716352330] [2022-11-18 18:36:43,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:36:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:36:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:36:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:36:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:36:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:36:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 18:36:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:36:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:36:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 18:36:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:36:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:36:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:36:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:36:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:36:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:36:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:36:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:36:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:36:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:36:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:36:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:36:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:36:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 18:36:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-11-18 18:36:44,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:44,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716352330] [2022-11-18 18:36:44,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716352330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:44,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:44,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:36:44,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528004566] [2022-11-18 18:36:44,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:44,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:36:44,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:36:44,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:36:44,529 INFO L87 Difference]: Start difference. First operand 5114 states and 7490 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 18:36:47,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:49,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:50,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:53,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:57,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:58,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:27,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:37:27,270 INFO L93 Difference]: Finished difference Result 5297 states and 7891 transitions. [2022-11-18 18:37:27,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:37:27,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 226 [2022-11-18 18:37:27,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:37:27,306 INFO L225 Difference]: With dead ends: 5297 [2022-11-18 18:37:27,306 INFO L226 Difference]: Without dead ends: 5295 [2022-11-18 18:37:27,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:37:27,317 INFO L413 NwaCegarLoop]: 6262 mSDtfsCounter, 2150 mSDsluCounter, 23735 mSDsCounter, 0 mSdLazyCounter, 15382 mSolverCounterSat, 6015 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 29997 SdHoareTripleChecker+Invalid, 21399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6015 IncrementalHoareTripleChecker+Valid, 15382 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:37:27,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 29997 Invalid, 21399 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6015 Valid, 15382 Invalid, 2 Unknown, 0 Unchecked, 41.0s Time] [2022-11-18 18:37:27,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-11-18 18:37:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5112. [2022-11-18 18:37:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5112 states, 3265 states have (on average 1.229709035222052) internal successors, (4015), 3557 states have internal predecessors, (4015), 1736 states have call successors, (1736), 109 states have call predecessors, (1736), 109 states have return successors, (1736), 1472 states have call predecessors, (1736), 1736 states have call successors, (1736) [2022-11-18 18:37:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 7487 transitions. [2022-11-18 18:37:28,313 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 7487 transitions. Word has length 226 [2022-11-18 18:37:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:37:28,314 INFO L495 AbstractCegarLoop]: Abstraction has 5112 states and 7487 transitions. [2022-11-18 18:37:28,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 18:37:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 7487 transitions. [2022-11-18 18:37:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-18 18:37:28,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:37:28,320 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:28,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 18:37:28,321 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:37:28,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash -71832794, now seen corresponding path program 1 times [2022-11-18 18:37:28,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:28,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511101803] [2022-11-18 18:37:28,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:37:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:37:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:37:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:37:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:37:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:37:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 18:37:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:37:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 18:37:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:37:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:37:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:37:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:37:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:37:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:37:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 18:37:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:37:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:37:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-18 18:37:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:37:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:37:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:37:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:37:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:37:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:37:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 18:37:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-18 18:37:30,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:30,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511101803] [2022-11-18 18:37:30,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511101803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:30,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:30,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:37:30,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915936353] [2022-11-18 18:37:30,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:30,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:37:30,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:30,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:37:30,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:37:30,025 INFO L87 Difference]: Start difference. First operand 5112 states and 7487 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 18:37:34,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:36,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:38,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:44,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:57,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:38:16,528 INFO L93 Difference]: Finished difference Result 10445 states and 15437 transitions. [2022-11-18 18:38:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:38:16,529 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 301 [2022-11-18 18:38:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:38:16,560 INFO L225 Difference]: With dead ends: 10445 [2022-11-18 18:38:16,560 INFO L226 Difference]: Without dead ends: 5375 [2022-11-18 18:38:16,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:38:16,585 INFO L413 NwaCegarLoop]: 6252 mSDtfsCounter, 7770 mSDsluCounter, 22246 mSDsCounter, 0 mSdLazyCounter, 16986 mSolverCounterSat, 6615 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9317 SdHoareTripleChecker+Valid, 28498 SdHoareTripleChecker+Invalid, 23604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6615 IncrementalHoareTripleChecker+Valid, 16986 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:38:16,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9317 Valid, 28498 Invalid, 23604 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6615 Valid, 16986 Invalid, 3 Unknown, 0 Unchecked, 44.3s Time] [2022-11-18 18:38:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2022-11-18 18:38:17,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5190. [2022-11-18 18:38:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5190 states, 3318 states have (on average 1.2263411693791442) internal successors, (4069), 3610 states have internal predecessors, (4069), 1746 states have call successors, (1746), 124 states have call predecessors, (1746), 124 states have return successors, (1746), 1482 states have call predecessors, (1746), 1746 states have call successors, (1746) [2022-11-18 18:38:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 7561 transitions. [2022-11-18 18:38:17,675 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 7561 transitions. Word has length 301 [2022-11-18 18:38:17,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:38:17,675 INFO L495 AbstractCegarLoop]: Abstraction has 5190 states and 7561 transitions. [2022-11-18 18:38:17,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 18:38:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 7561 transitions. [2022-11-18 18:38:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-18 18:38:17,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:38:17,681 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:17,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 18:38:17,682 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:38:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash -71773212, now seen corresponding path program 1 times [2022-11-18 18:38:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:17,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143329377] [2022-11-18 18:38:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:17,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:38:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:38:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:38:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:38:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:38:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:38:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 18:38:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:38:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 18:38:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:38:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:38:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:38:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:38:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:38:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:38:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 18:38:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:38:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:38:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-18 18:38:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:38:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:38:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:38:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 18:38:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-18 18:38:18,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:18,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143329377] [2022-11-18 18:38:18,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143329377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:18,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:18,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:38:18,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098305521] [2022-11-18 18:38:18,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:18,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:38:18,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:18,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:38:18,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:38:18,886 INFO L87 Difference]: Start difference. First operand 5190 states and 7561 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-18 18:38:23,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:36,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:38,574 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 [] [2022-11-18 18:38:55,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:38:55,432 INFO L93 Difference]: Finished difference Result 5375 states and 7963 transitions. [2022-11-18 18:38:55,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:38:55,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 301 [2022-11-18 18:38:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:38:55,460 INFO L225 Difference]: With dead ends: 5375 [2022-11-18 18:38:55,460 INFO L226 Difference]: Without dead ends: 5373 [2022-11-18 18:38:55,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:38:55,465 INFO L413 NwaCegarLoop]: 6253 mSDtfsCounter, 2166 mSDsluCounter, 19030 mSDsCounter, 0 mSdLazyCounter, 12418 mSolverCounterSat, 6004 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 25283 SdHoareTripleChecker+Invalid, 18423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6004 IncrementalHoareTripleChecker+Valid, 12418 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:38:55,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 25283 Invalid, 18423 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6004 Valid, 12418 Invalid, 1 Unknown, 0 Unchecked, 34.7s Time] [2022-11-18 18:38:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2022-11-18 18:38:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 5188. [2022-11-18 18:38:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 3317 states have (on average 1.2261079288513717) internal successors, (4067), 3608 states have internal predecessors, (4067), 1746 states have call successors, (1746), 124 states have call predecessors, (1746), 124 states have return successors, (1746), 1482 states have call predecessors, (1746), 1746 states have call successors, (1746) [2022-11-18 18:38:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7559 transitions. [2022-11-18 18:38:56,511 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7559 transitions. Word has length 301 [2022-11-18 18:38:56,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:38:56,512 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7559 transitions. [2022-11-18 18:38:56,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-18 18:38:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7559 transitions. [2022-11-18 18:38:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-18 18:38:56,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:38:56,518 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:56,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 18:38:56,519 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-18 18:38:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash 289393386, now seen corresponding path program 1 times [2022-11-18 18:38:56,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:56,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044924121] [2022-11-18 18:38:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:38:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 18:38:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:38:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 18:38:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:38:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:38:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 18:38:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:38:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 18:38:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:38:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 18:38:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:38:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:38:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:38:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:38:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 18:38:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 18:38:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:38:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-18 18:38:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:38:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:38:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:38:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:38:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:38:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 18:38:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-18 18:38:57,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:57,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044924121] [2022-11-18 18:38:57,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044924121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:57,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:57,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:38:57,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475487091] [2022-11-18 18:38:57,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:57,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:38:57,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:57,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:38:57,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:38:57,593 INFO L87 Difference]: Start difference. First operand 5188 states and 7559 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 18:39:00,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:22,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:22,339 INFO L93 Difference]: Finished difference Result 10515 states and 15502 transitions. [2022-11-18 18:39:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:39:22,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 305 [2022-11-18 18:39:22,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:22,342 INFO L225 Difference]: With dead ends: 10515 [2022-11-18 18:39:22,342 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:39:22,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:39:22,371 INFO L413 NwaCegarLoop]: 6247 mSDtfsCounter, 7614 mSDsluCounter, 9618 mSDsCounter, 0 mSdLazyCounter, 6695 mSolverCounterSat, 6585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9164 SdHoareTripleChecker+Valid, 15865 SdHoareTripleChecker+Invalid, 13280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6585 IncrementalHoareTripleChecker+Valid, 6695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:22,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9164 Valid, 15865 Invalid, 13280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6585 Valid, 6695 Invalid, 0 Unknown, 0 Unchecked, 22.8s Time] [2022-11-18 18:39:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:39:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:39:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:39:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:39:22,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2022-11-18 18:39:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:22,377 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:39:22,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 18:39:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:39:22,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:39:22,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 25 remaining) [2022-11-18 18:39:22,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 25 remaining) [2022-11-18 18:39:22,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 25 remaining) [2022-11-18 18:39:22,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 25 remaining) [2022-11-18 18:39:22,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 25 remaining) [2022-11-18 18:39:22,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 25 remaining) [2022-11-18 18:39:22,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 25 remaining) [2022-11-18 18:39:22,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 25 remaining) [2022-11-18 18:39:22,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 25 remaining) [2022-11-18 18:39:22,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (15 of 25 remaining) [2022-11-18 18:39:22,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 25 remaining) [2022-11-18 18:39:22,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 25 remaining) [2022-11-18 18:39:22,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 25 remaining) [2022-11-18 18:39:22,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 25 remaining) [2022-11-18 18:39:22,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 25 remaining) [2022-11-18 18:39:22,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 25 remaining) [2022-11-18 18:39:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 25 remaining) [2022-11-18 18:39:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 25 remaining) [2022-11-18 18:39:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 25 remaining) [2022-11-18 18:39:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 25 remaining) [2022-11-18 18:39:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 25 remaining) [2022-11-18 18:39:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 25 remaining) [2022-11-18 18:39:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 25 remaining) [2022-11-18 18:39:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 25 remaining) [2022-11-18 18:39:22,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 25 remaining) [2022-11-18 18:39:22,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 18:39:22,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.