./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8 --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 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c --- 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-e04fb08 [2022-11-16 11:21:09,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:21:09,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:21:09,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:21:09,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:21:09,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:21:09,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:21:09,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:21:09,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:21:09,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:21:09,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:21:09,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:21:09,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:21:09,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:21:09,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:21:09,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:21:09,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:21:09,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:21:09,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:21:09,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:21:09,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:21:09,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:21:09,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:21:09,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:21:09,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:21:09,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:21:09,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:21:09,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:21:09,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:21:09,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:21:09,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:21:09,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:21:09,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:21:09,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:21:09,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:21:09,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:21:09,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:21:09,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:21:09,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:21:09,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:21:09,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:21:09,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:21:09,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:21:09,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:21:09,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:21:09,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:21:09,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:21:09,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:21:09,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:21:09,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:21:09,838 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:21:09,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:21:09,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:21:09,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:21:09,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:21:09,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:21:09,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:21:09,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:21:09,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:21:09,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:21:09,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:21:09,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:21:09,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:21:09,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:21:09,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:21:09,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:21:09,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:21:09,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:21:09,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:21:09,845 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:21:09,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:21:09,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:21:09,846 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_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-11-16 11:21:10,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:21:10,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:21:10,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:21:10,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:21:10,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:21:10,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-11-16 11:21:10,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/data/fd321fcbf/2f4851cd0e3c458d99b9105298a18bdc/FLAG9c4ea04ef [2022-11-16 11:21:11,347 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:21:11,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-11-16 11:21:11,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/data/fd321fcbf/2f4851cd0e3c458d99b9105298a18bdc/FLAG9c4ea04ef [2022-11-16 11:21:11,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/data/fd321fcbf/2f4851cd0e3c458d99b9105298a18bdc [2022-11-16 11:21:11,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:21:11,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:21:11,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:11,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:21:11,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:21:11,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:11" (1/1) ... [2022-11-16 11:21:11,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cf64ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:11, skipping insertion in model container [2022-11-16 11:21:11,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:11" (1/1) ... [2022-11-16 11:21:11,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:21:11,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:21:16,862 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-11-16 11:21:16,865 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-11-16 11:21:16,866 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-11-16 11:21:16,867 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-11-16 11:21:16,867 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-11-16 11:21:16,868 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-11-16 11:21:16,868 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-11-16 11:21:16,869 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-11-16 11:21:16,869 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-11-16 11:21:16,870 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-11-16 11:21:16,870 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-11-16 11:21:16,871 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-11-16 11:21:16,874 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-11-16 11:21:16,875 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-11-16 11:21:16,875 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-11-16 11:21:16,876 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-11-16 11:21:16,876 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-11-16 11:21:16,877 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-11-16 11:21:16,877 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-11-16 11:21:16,878 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-11-16 11:21:16,879 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-11-16 11:21:16,879 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-11-16 11:21:16,880 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-11-16 11:21:16,880 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-11-16 11:21:16,883 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-11-16 11:21:16,883 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-11-16 11:21:16,884 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-11-16 11:21:16,884 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-11-16 11:21:16,885 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-11-16 11:21:16,886 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-11-16 11:21:16,886 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-11-16 11:21:16,887 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-11-16 11:21:16,887 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-11-16 11:21:16,888 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-11-16 11:21:16,889 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-11-16 11:21:16,889 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-11-16 11:21:16,890 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-11-16 11:21:16,890 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-11-16 11:21:16,891 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-11-16 11:21:16,892 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-11-16 11:21:16,892 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-11-16 11:21:16,893 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-11-16 11:21:16,893 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-11-16 11:21:16,894 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-11-16 11:21:16,895 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-11-16 11:21:16,895 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-11-16 11:21:16,896 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-11-16 11:21:16,896 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-11-16 11:21:16,897 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-11-16 11:21:16,897 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-11-16 11:21:16,898 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-11-16 11:21:16,899 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-11-16 11:21:16,899 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-11-16 11:21:16,900 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-11-16 11:21:16,900 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-11-16 11:21:16,901 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-11-16 11:21:16,901 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-11-16 11:21:16,902 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-11-16 11:21:16,903 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-11-16 11:21:16,903 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-11-16 11:21:16,904 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-11-16 11:21:16,904 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-11-16 11:21:16,905 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-11-16 11:21:16,906 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-11-16 11:21:16,906 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-11-16 11:21:16,907 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-11-16 11:21:16,907 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-11-16 11:21:16,908 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-11-16 11:21:16,909 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-11-16 11:21:16,909 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-11-16 11:21:16,910 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-11-16 11:21:16,910 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-11-16 11:21:16,911 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-11-16 11:21:16,912 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-11-16 11:21:16,912 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-11-16 11:21:16,913 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-11-16 11:21:16,913 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-11-16 11:21:16,914 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-11-16 11:21:16,914 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-11-16 11:21:16,915 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-11-16 11:21:16,915 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-11-16 11:21:16,916 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-11-16 11:21:16,917 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-11-16 11:21:16,917 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-11-16 11:21:16,918 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-11-16 11:21:16,918 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-11-16 11:21:16,919 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-11-16 11:21:16,919 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-11-16 11:21:16,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:21:16,960 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:21:17,457 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-11-16 11:21:17,458 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-11-16 11:21:17,460 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-11-16 11:21:17,461 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-11-16 11:21:17,467 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-11-16 11:21:17,469 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-11-16 11:21:17,470 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-11-16 11:21:17,471 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-11-16 11:21:17,472 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-11-16 11:21:17,473 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-11-16 11:21:17,474 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-11-16 11:21:17,475 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-11-16 11:21:17,475 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-11-16 11:21:17,476 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-11-16 11:21:17,477 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-11-16 11:21:17,477 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-11-16 11:21:17,478 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-11-16 11:21:17,478 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-11-16 11:21:17,480 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-11-16 11:21:17,481 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-11-16 11:21:17,482 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-11-16 11:21:17,482 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-11-16 11:21:17,484 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-11-16 11:21:17,485 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-11-16 11:21:17,485 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-11-16 11:21:17,486 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-11-16 11:21:17,487 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-11-16 11:21:17,488 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-11-16 11:21:17,488 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-11-16 11:21:17,489 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-11-16 11:21:17,489 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-11-16 11:21:17,490 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-11-16 11:21:17,491 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-11-16 11:21:17,491 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-11-16 11:21:17,492 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-11-16 11:21:17,493 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-11-16 11:21:17,494 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-11-16 11:21:17,495 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-11-16 11:21:17,496 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-11-16 11:21:17,496 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-11-16 11:21:17,499 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-11-16 11:21:17,501 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-11-16 11:21:17,503 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-11-16 11:21:17,504 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-11-16 11:21:17,505 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-11-16 11:21:17,505 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-11-16 11:21:17,506 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-11-16 11:21:17,506 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-11-16 11:21:17,507 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-11-16 11:21:17,508 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-11-16 11:21:17,508 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-11-16 11:21:17,509 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-11-16 11:21:17,510 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-11-16 11:21:17,511 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-11-16 11:21:17,511 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-11-16 11:21:17,512 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-11-16 11:21:17,513 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-11-16 11:21:17,515 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-11-16 11:21:17,516 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-11-16 11:21:17,516 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-11-16 11:21:17,517 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-11-16 11:21:17,517 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-11-16 11:21:17,519 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-11-16 11:21:17,521 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-11-16 11:21:17,524 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-11-16 11:21:17,525 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-11-16 11:21:17,526 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-11-16 11:21:17,532 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-11-16 11:21:17,533 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-11-16 11:21:17,536 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-11-16 11:21:17,538 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-11-16 11:21:17,538 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-11-16 11:21:17,539 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-11-16 11:21:17,544 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-11-16 11:21:17,545 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-11-16 11:21:17,546 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-11-16 11:21:17,546 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-11-16 11:21:17,547 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-11-16 11:21:17,549 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-11-16 11:21:17,550 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-11-16 11:21:17,551 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-11-16 11:21:17,552 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-11-16 11:21:17,553 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-11-16 11:21:17,554 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-11-16 11:21:17,554 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-11-16 11:21:17,555 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-11-16 11:21:17,555 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-11-16 11:21:17,561 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-11-16 11:21:17,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:21:17,914 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:21:17,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17 WrapperNode [2022-11-16 11:21:17,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:17,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:21:17,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:21:17,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:21:17,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,270 INFO L138 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2632 [2022-11-16 11:21:18,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:21:18,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:21:18,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:21:18,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:21:18,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:21:18,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:21:18,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:21:18,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:21:18,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (1/1) ... [2022-11-16 11:21:18,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:21:18,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:21:18,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:21:18,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:21:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-16 11:21:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-16 11:21:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-16 11:21:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-16 11:21:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-11-16 11:21:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-11-16 11:21:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:21:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:21:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 11:21:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 11:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:21:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-16 11:21:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-16 11:21:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 11:21:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 11:21:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-11-16 11:21:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-11-16 11:21:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-11-16 11:21:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-11-16 11:21:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-11-16 11:21:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-11-16 11:21:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-16 11:21:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-16 11:21:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-11-16 11:21:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-11-16 11:21:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-16 11:21:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-16 11:21:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:21:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:21:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:21:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 11:21:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-16 11:21:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-16 11:21:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:21:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:21:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-16 11:21:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-16 11:21:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:21:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-11-16 11:21:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-11-16 11:21:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-16 11:21:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-16 11:21:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-16 11:21:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-16 11:21:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:21:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:21:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-16 11:21:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-16 11:21:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 11:21:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 11:21:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-11-16 11:21:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-11-16 11:21:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-16 11:21:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-16 11:21:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:21:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-16 11:21:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-16 11:21:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-16 11:21:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-16 11:21:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-11-16 11:21:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-11-16 11:21:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-11-16 11:21:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-11-16 11:21:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-16 11:21:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-16 11:21:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-16 11:21:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-16 11:21:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-11-16 11:21:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-11-16 11:21:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-16 11:21:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-16 11:21:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-11-16 11:21:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-11-16 11:21:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:21:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:21:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:21:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:21:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:21:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-11-16 11:21:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-11-16 11:21:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-16 11:21:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-16 11:21:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:21:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:21:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-11-16 11:21:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-11-16 11:21:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-16 11:21:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-16 11:21:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:21:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:21:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-16 11:21:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:21:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:21:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 11:21:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 11:21:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-11-16 11:21:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-11-16 11:21:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-16 11:21:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-16 11:21:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-11-16 11:21:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-11-16 11:21:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-11-16 11:21:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-11-16 11:21:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:21:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:21:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-11-16 11:21:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-11-16 11:21:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-16 11:21:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-16 11:21:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-16 11:21:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-16 11:21:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-11-16 11:21:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-11-16 11:21:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-16 11:21:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-16 11:21:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:21:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-16 11:21:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-16 11:21:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:21:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-11-16 11:21:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-11-16 11:21:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:21:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-11-16 11:21:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-11-16 11:21:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-16 11:21:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-16 11:21:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 11:21:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 11:21:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-16 11:21:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-16 11:21:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-11-16 11:21:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-11-16 11:21:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 11:21:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 11:21:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:21:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:21:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-16 11:21:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-16 11:21:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-16 11:21:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-16 11:21:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-11-16 11:21:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-11-16 11:21:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-11-16 11:21:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-11-16 11:21:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-11-16 11:21:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-11-16 11:21:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-16 11:21:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-16 11:21:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-16 11:21:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-16 11:21:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:21:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:21:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:21:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-16 11:21:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-16 11:21:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:21:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:21:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-16 11:21:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-16 11:21:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 11:21:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 11:21:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 11:21:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 11:21:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-11-16 11:21:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-11-16 11:21:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-11-16 11:21:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-11-16 11:21:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 11:21:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 11:21:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-11-16 11:21:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-11-16 11:21:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-16 11:21:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-16 11:21:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-11-16 11:21:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-11-16 11:21:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:21:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-11-16 11:21:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-11-16 11:21:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-11-16 11:21:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-11-16 11:21:19,516 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:21:19,535 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:21:19,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:21:21,961 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:21:21,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:21:21,979 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:21:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:21:21 BoogieIcfgContainer [2022-11-16 11:21:21,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:21:21,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:21:21,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:21:21,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:21:21,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:21:11" (1/3) ... [2022-11-16 11:21:21,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4026084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:21:21, skipping insertion in model container [2022-11-16 11:21:21,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:17" (2/3) ... [2022-11-16 11:21:21,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4026084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:21:21, skipping insertion in model container [2022-11-16 11:21:21,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:21:21" (3/3) ... [2022-11-16 11:21:21,995 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-11-16 11:21:22,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:21:22,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-11-16 11:21:22,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:21:22,132 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;@13454f15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:21:22,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-16 11:21:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 738 states have (on average 1.2479674796747968) internal successors, (921), 794 states have internal predecessors, (921), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) [2022-11-16 11:21:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-16 11:21:22,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:22,164 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:22,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:22,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:22,172 INFO L85 PathProgramCache]: Analyzing trace with hash -571262647, now seen corresponding path program 1 times [2022-11-16 11:21:22,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:22,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239899951] [2022-11-16 11:21:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:23,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:23,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239899951] [2022-11-16 11:21:23,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239899951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:23,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:23,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:23,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428497967] [2022-11-16 11:21:23,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:23,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:23,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:23,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:23,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:23,539 INFO L87 Difference]: Start difference. First operand has 1113 states, 738 states have (on average 1.2479674796747968) internal successors, (921), 794 states have internal predecessors, (921), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-16 11:21:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:27,129 INFO L93 Difference]: Finished difference Result 2194 states and 2921 transitions. [2022-11-16 11:21:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:27,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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 70 [2022-11-16 11:21:27,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:27,176 INFO L225 Difference]: With dead ends: 2194 [2022-11-16 11:21:27,176 INFO L226 Difference]: Without dead ends: 1090 [2022-11-16 11:21:27,192 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 [2022-11-16 11:21:27,196 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1956 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2131 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:27,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2131 Valid, 2205 Invalid, 2567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 11:21:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2022-11-16 11:21:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2022-11-16 11:21:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 723 states have (on average 1.1922544951590595) internal successors, (862), 774 states have internal predecessors, (862), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-16 11:21:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1370 transitions. [2022-11-16 11:21:27,376 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1370 transitions. Word has length 70 [2022-11-16 11:21:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:27,378 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1370 transitions. [2022-11-16 11:21:27,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-16 11:21:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1370 transitions. [2022-11-16 11:21:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-16 11:21:27,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:27,383 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:27,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:21:27,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:27,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:27,384 INFO L85 PathProgramCache]: Analyzing trace with hash -327263257, now seen corresponding path program 1 times [2022-11-16 11:21:27,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:27,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138924560] [2022-11-16 11:21:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:27,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:21:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:27,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:27,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138924560] [2022-11-16 11:21:27,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138924560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:27,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:27,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:27,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120707277] [2022-11-16 11:21:27,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:27,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:27,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:27,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:27,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:27,999 INFO L87 Difference]: Start difference. First operand 1090 states and 1370 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-16 11:21:31,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:31,227 INFO L93 Difference]: Finished difference Result 1090 states and 1370 transitions. [2022-11-16 11:21:31,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:31,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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 76 [2022-11-16 11:21:31,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:31,237 INFO L225 Difference]: With dead ends: 1090 [2022-11-16 11:21:31,237 INFO L226 Difference]: Without dead ends: 1088 [2022-11-16 11:21:31,238 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 [2022-11-16 11:21:31,242 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1922 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1739 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:31,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 2173 Invalid, 2535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [796 Valid, 1739 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 11:21:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2022-11-16 11:21:31,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2022-11-16 11:21:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 722 states have (on average 1.1911357340720221) internal successors, (860), 772 states have internal predecessors, (860), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-16 11:21:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1368 transitions. [2022-11-16 11:21:31,372 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1368 transitions. Word has length 76 [2022-11-16 11:21:31,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:31,376 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1368 transitions. [2022-11-16 11:21:31,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-16 11:21:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1368 transitions. [2022-11-16 11:21:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-16 11:21:31,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:31,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:31,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:21:31,388 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:31,389 INFO L85 PathProgramCache]: Analyzing trace with hash -262808840, now seen corresponding path program 1 times [2022-11-16 11:21:31,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:31,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16886468] [2022-11-16 11:21:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:21:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:21:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:31,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:31,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16886468] [2022-11-16 11:21:31,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16886468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:31,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:31,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431358697] [2022-11-16 11:21:31,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:31,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:31,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:31,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:31,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:31,927 INFO L87 Difference]: Start difference. First operand 1088 states and 1368 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-16 11:21:34,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:34,940 INFO L93 Difference]: Finished difference Result 1088 states and 1368 transitions. [2022-11-16 11:21:34,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:34,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 82 [2022-11-16 11:21:34,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:34,949 INFO L225 Difference]: With dead ends: 1088 [2022-11-16 11:21:34,949 INFO L226 Difference]: Without dead ends: 1086 [2022-11-16 11:21:34,951 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 [2022-11-16 11:21:34,952 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1916 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:34,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 2173 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 11:21:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-11-16 11:21:35,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2022-11-16 11:21:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 721 states have (on average 1.19001386962552) internal successors, (858), 770 states have internal predecessors, (858), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-16 11:21:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1366 transitions. [2022-11-16 11:21:35,044 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1366 transitions. Word has length 82 [2022-11-16 11:21:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:35,048 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1366 transitions. [2022-11-16 11:21:35,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-16 11:21:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1366 transitions. [2022-11-16 11:21:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-16 11:21:35,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:35,052 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:35,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:21:35,054 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:35,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:35,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1140756829, now seen corresponding path program 1 times [2022-11-16 11:21:35,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:35,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845126623] [2022-11-16 11:21:35,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:35,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:21:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:21:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:21:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:21:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:21:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:21:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:21:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-16 11:21:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 11:21:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:21:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-16 11:21:35,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:35,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845126623] [2022-11-16 11:21:35,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845126623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:35,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:35,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:35,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11181819] [2022-11-16 11:21:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:35,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:35,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:35,972 INFO L87 Difference]: Start difference. First operand 1086 states and 1366 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-16 11:21:40,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:40,457 INFO L93 Difference]: Finished difference Result 1858 states and 2301 transitions. [2022-11-16 11:21:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:21:40,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2022-11-16 11:21:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:40,476 INFO L225 Difference]: With dead ends: 1858 [2022-11-16 11:21:40,476 INFO L226 Difference]: Without dead ends: 1856 [2022-11-16 11:21:40,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:21:40,481 INFO L413 NwaCegarLoop]: 1078 mSDtfsCounter, 1405 mSDsluCounter, 2694 mSDsCounter, 0 mSdLazyCounter, 3396 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 3859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 3396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:40,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 3772 Invalid, 3859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [463 Valid, 3396 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-16 11:21:40,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2022-11-16 11:21:40,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1593. [2022-11-16 11:21:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1056 states have (on average 1.178030303030303) internal successors, (1244), 1121 states have internal predecessors, (1244), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-16 11:21:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2002 transitions. [2022-11-16 11:21:40,655 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2002 transitions. Word has length 97 [2022-11-16 11:21:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:40,656 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2002 transitions. [2022-11-16 11:21:40,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-16 11:21:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2002 transitions. [2022-11-16 11:21:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 11:21:40,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:40,666 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:40,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:21:40,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:40,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:40,667 INFO L85 PathProgramCache]: Analyzing trace with hash -883887199, now seen corresponding path program 1 times [2022-11-16 11:21:40,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:40,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981366236] [2022-11-16 11:21:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:40,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:21:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:21:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:21:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:41,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:41,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981366236] [2022-11-16 11:21:41,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981366236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:41,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:41,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:41,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145522358] [2022-11-16 11:21:41,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:41,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:41,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:41,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:41,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:41,142 INFO L87 Difference]: Start difference. First operand 1593 states and 2002 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (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) [2022-11-16 11:21:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:44,015 INFO L93 Difference]: Finished difference Result 1593 states and 2002 transitions. [2022-11-16 11:21:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:44,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (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 88 [2022-11-16 11:21:44,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:44,026 INFO L225 Difference]: With dead ends: 1593 [2022-11-16 11:21:44,027 INFO L226 Difference]: Without dead ends: 1591 [2022-11-16 11:21:44,028 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 [2022-11-16 11:21:44,029 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1910 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:44,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 2173 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 11:21:44,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2022-11-16 11:21:44,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2022-11-16 11:21:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1055 states have (on average 1.1772511848341232) internal successors, (1242), 1119 states have internal predecessors, (1242), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-16 11:21:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2000 transitions. [2022-11-16 11:21:44,236 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2000 transitions. Word has length 88 [2022-11-16 11:21:44,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:44,238 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2000 transitions. [2022-11-16 11:21:44,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (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) [2022-11-16 11:21:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2000 transitions. [2022-11-16 11:21:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 11:21:44,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:44,240 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:44,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:21:44,241 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:44,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:44,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1554934908, now seen corresponding path program 1 times [2022-11-16 11:21:44,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:44,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198768478] [2022-11-16 11:21:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:21:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:21:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:21:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:21:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:44,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:44,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198768478] [2022-11-16 11:21:44,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198768478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:44,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:44,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:44,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006743768] [2022-11-16 11:21:44,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:44,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:44,690 INFO L87 Difference]: Start difference. First operand 1591 states and 2000 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-11-16 11:21:47,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:47,714 INFO L93 Difference]: Finished difference Result 1591 states and 2000 transitions. [2022-11-16 11:21:47,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:47,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 94 [2022-11-16 11:21:47,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:47,726 INFO L225 Difference]: With dead ends: 1591 [2022-11-16 11:21:47,727 INFO L226 Difference]: Without dead ends: 1589 [2022-11-16 11:21:47,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:21:47,729 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1904 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:47,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 2173 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 11:21:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-11-16 11:21:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1589. [2022-11-16 11:21:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1054 states have (on average 1.1764705882352942) internal successors, (1240), 1117 states have internal predecessors, (1240), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-16 11:21:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 1998 transitions. [2022-11-16 11:21:47,890 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 1998 transitions. Word has length 94 [2022-11-16 11:21:47,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:47,891 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 1998 transitions. [2022-11-16 11:21:47,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-11-16 11:21:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1998 transitions. [2022-11-16 11:21:47,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-16 11:21:47,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:47,893 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:47,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:21:47,894 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:47,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:47,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1083850555, now seen corresponding path program 1 times [2022-11-16 11:21:47,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:47,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054783120] [2022-11-16 11:21:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:21:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:21:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:21:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:21:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:21:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:48,358 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:48,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:48,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054783120] [2022-11-16 11:21:48,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054783120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:48,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:48,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:48,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016261575] [2022-11-16 11:21:48,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:48,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:48,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:48,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:48,361 INFO L87 Difference]: Start difference. First operand 1589 states and 1998 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-16 11:21:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:51,200 INFO L93 Difference]: Finished difference Result 1589 states and 1998 transitions. [2022-11-16 11:21:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:51,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 100 [2022-11-16 11:21:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:51,210 INFO L225 Difference]: With dead ends: 1589 [2022-11-16 11:21:51,211 INFO L226 Difference]: Without dead ends: 1587 [2022-11-16 11:21:51,213 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 [2022-11-16 11:21:51,215 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1898 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:51,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 2173 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 11:21:51,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2022-11-16 11:21:51,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1587. [2022-11-16 11:21:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1053 states have (on average 1.1756885090218423) internal successors, (1238), 1115 states have internal predecessors, (1238), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-16 11:21:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 1996 transitions. [2022-11-16 11:21:51,394 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 1996 transitions. Word has length 100 [2022-11-16 11:21:51,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:51,394 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 1996 transitions. [2022-11-16 11:21:51,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-16 11:21:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1996 transitions. [2022-11-16 11:21:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-16 11:21:51,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:51,399 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:51,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:21:51,399 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:51,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1377144319, now seen corresponding path program 1 times [2022-11-16 11:21:51,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:51,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451243694] [2022-11-16 11:21:51,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:21:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:21:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:21:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:21:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:21:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:21:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:21:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:21:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:21:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:21:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:21:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:21:51,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:51,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451243694] [2022-11-16 11:21:51,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451243694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:51,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:51,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:21:51,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370984104] [2022-11-16 11:21:51,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:51,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:21:51,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:21:51,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:21:51,936 INFO L87 Difference]: Start difference. First operand 1587 states and 1996 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-16 11:21:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:54,817 INFO L93 Difference]: Finished difference Result 1587 states and 1996 transitions. [2022-11-16 11:21:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:21:54,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 106 [2022-11-16 11:21:54,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:54,827 INFO L225 Difference]: With dead ends: 1587 [2022-11-16 11:21:54,827 INFO L226 Difference]: Without dead ends: 1585 [2022-11-16 11:21:54,829 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 [2022-11-16 11:21:54,829 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1892 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:54,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 2173 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 11:21:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2022-11-16 11:21:54,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2022-11-16 11:21:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1052 states have (on average 1.1749049429657794) internal successors, (1236), 1113 states have internal predecessors, (1236), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-16 11:21:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 1994 transitions. [2022-11-16 11:21:55,005 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 1994 transitions. Word has length 106 [2022-11-16 11:21:55,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:21:55,006 INFO L495 AbstractCegarLoop]: Abstraction has 1585 states and 1994 transitions. [2022-11-16 11:21:55,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-16 11:21:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1994 transitions. [2022-11-16 11:21:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-16 11:21:55,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:21:55,010 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:21:55,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:21:55,010 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:21:55,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:21:55,011 INFO L85 PathProgramCache]: Analyzing trace with hash -2037622050, now seen corresponding path program 1 times [2022-11-16 11:21:55,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:21:55,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225867989] [2022-11-16 11:21:55,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:21:55,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:21:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:21:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:21:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:21:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:21:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:21:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:21:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:21:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:21:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:21:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:21:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:21:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:21:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:21:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:21:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:21:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-16 11:21:55,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:21:55,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225867989] [2022-11-16 11:21:55,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225867989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:21:55,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:21:55,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:21:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038323546] [2022-11-16 11:21:55,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:21:55,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:21:55,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:21:55,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:21:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:21:55,627 INFO L87 Difference]: Start difference. First operand 1585 states and 1994 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 11:21:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:21:59,822 INFO L93 Difference]: Finished difference Result 1865 states and 2327 transitions. [2022-11-16 11:21:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:21:59,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2022-11-16 11:21:59,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:21:59,834 INFO L225 Difference]: With dead ends: 1865 [2022-11-16 11:21:59,835 INFO L226 Difference]: Without dead ends: 1863 [2022-11-16 11:21:59,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:21:59,837 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1907 mSDsluCounter, 2065 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 2836 SdHoareTripleChecker+Invalid, 4231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:21:59,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 2836 Invalid, 4231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 11:21:59,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2022-11-16 11:22:00,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1755. [2022-11-16 11:22:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1172 states have (on average 1.1783276450511946) internal successors, (1381), 1234 states have internal predecessors, (1381), 404 states have call successors, (404), 156 states have call predecessors, (404), 155 states have return successors, (406), 389 states have call predecessors, (406), 402 states have call successors, (406) [2022-11-16 11:22:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2191 transitions. [2022-11-16 11:22:00,092 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2191 transitions. Word has length 118 [2022-11-16 11:22:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:00,093 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2191 transitions. [2022-11-16 11:22:00,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 11:22:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2191 transitions. [2022-11-16 11:22:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-16 11:22:00,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:00,096 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:00,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:22:00,096 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:00,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2115084547, now seen corresponding path program 1 times [2022-11-16 11:22:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:00,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507005326] [2022-11-16 11:22:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:00,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:00,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507005326] [2022-11-16 11:22:00,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507005326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:00,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:00,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:00,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212181088] [2022-11-16 11:22:00,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:00,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:00,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:00,548 INFO L87 Difference]: Start difference. First operand 1755 states and 2191 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-11-16 11:22:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:03,237 INFO L93 Difference]: Finished difference Result 1755 states and 2191 transitions. [2022-11-16 11:22:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:22:03,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 112 [2022-11-16 11:22:03,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:03,254 INFO L225 Difference]: With dead ends: 1755 [2022-11-16 11:22:03,254 INFO L226 Difference]: Without dead ends: 1753 [2022-11-16 11:22:03,256 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 [2022-11-16 11:22:03,257 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1890 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:03,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 2173 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 11:22:03,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-11-16 11:22:03,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1753. [2022-11-16 11:22:03,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1171 states have (on average 1.1776259607173356) internal successors, (1379), 1232 states have internal predecessors, (1379), 404 states have call successors, (404), 156 states have call predecessors, (404), 155 states have return successors, (406), 389 states have call predecessors, (406), 402 states have call successors, (406) [2022-11-16 11:22:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2189 transitions. [2022-11-16 11:22:03,482 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2189 transitions. Word has length 112 [2022-11-16 11:22:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:03,482 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2189 transitions. [2022-11-16 11:22:03,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-11-16 11:22:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2189 transitions. [2022-11-16 11:22:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-16 11:22:03,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:03,486 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:03,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:22:03,486 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1648789529, now seen corresponding path program 1 times [2022-11-16 11:22:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:03,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480314270] [2022-11-16 11:22:03,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:03,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:22:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:22:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:22:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:22:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:22:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-11-16 11:22:04,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:04,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480314270] [2022-11-16 11:22:04,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480314270] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:22:04,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844554830] [2022-11-16 11:22:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:04,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:22:04,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:22:04,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:22:04,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:22:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:04,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:22:04,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:22:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-16 11:22:04,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:22:04,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844554830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:04,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:22:04,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-11-16 11:22:04,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704952784] [2022-11-16 11:22:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:04,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:22:04,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:22:04,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:22:04,986 INFO L87 Difference]: Start difference. First operand 1753 states and 2189 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-16 11:22:05,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:05,521 INFO L93 Difference]: Finished difference Result 3397 states and 4228 transitions. [2022-11-16 11:22:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:22:05,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 134 [2022-11-16 11:22:05,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:05,535 INFO L225 Difference]: With dead ends: 3397 [2022-11-16 11:22:05,535 INFO L226 Difference]: Without dead ends: 1801 [2022-11-16 11:22:05,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:22:05,541 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 314 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 5079 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:05,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 5079 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:22:05,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2022-11-16 11:22:05,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1759. [2022-11-16 11:22:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1175 states have (on average 1.1770212765957446) internal successors, (1383), 1236 states have internal predecessors, (1383), 406 states have call successors, (406), 156 states have call predecessors, (406), 155 states have return successors, (408), 391 states have call predecessors, (408), 404 states have call successors, (408) [2022-11-16 11:22:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2197 transitions. [2022-11-16 11:22:05,838 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2197 transitions. Word has length 134 [2022-11-16 11:22:05,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:05,841 INFO L495 AbstractCegarLoop]: Abstraction has 1759 states and 2197 transitions. [2022-11-16 11:22:05,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-16 11:22:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2197 transitions. [2022-11-16 11:22:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-16 11:22:05,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:05,845 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:05,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:22:06,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 11:22:06,055 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1076584672, now seen corresponding path program 1 times [2022-11-16 11:22:06,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:06,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354381363] [2022-11-16 11:22:06,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:06,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:06,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354381363] [2022-11-16 11:22:06,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354381363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:06,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:06,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:06,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847902789] [2022-11-16 11:22:06,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:06,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:06,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:06,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:06,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:06,498 INFO L87 Difference]: Start difference. First operand 1759 states and 2197 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-11-16 11:22:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:09,598 INFO L93 Difference]: Finished difference Result 1759 states and 2197 transitions. [2022-11-16 11:22:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:22:09,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 114 [2022-11-16 11:22:09,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:09,609 INFO L225 Difference]: With dead ends: 1759 [2022-11-16 11:22:09,610 INFO L226 Difference]: Without dead ends: 1757 [2022-11-16 11:22:09,611 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 [2022-11-16 11:22:09,612 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1878 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:09,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2044 Valid, 2173 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 11:22:09,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-11-16 11:22:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2022-11-16 11:22:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1174 states have (on average 1.176320272572402) internal successors, (1381), 1234 states have internal predecessors, (1381), 406 states have call successors, (406), 156 states have call predecessors, (406), 155 states have return successors, (408), 391 states have call predecessors, (408), 404 states have call successors, (408) [2022-11-16 11:22:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2195 transitions. [2022-11-16 11:22:09,970 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2195 transitions. Word has length 114 [2022-11-16 11:22:09,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:09,970 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2195 transitions. [2022-11-16 11:22:09,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-11-16 11:22:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2195 transitions. [2022-11-16 11:22:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-16 11:22:09,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:09,974 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:09,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:22:09,975 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:09,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1956414309, now seen corresponding path program 1 times [2022-11-16 11:22:09,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:09,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204217032] [2022-11-16 11:22:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:09,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:22:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:10,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:10,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204217032] [2022-11-16 11:22:10,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204217032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:10,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:10,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:10,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877221849] [2022-11-16 11:22:10,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:10,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:10,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:10,470 INFO L87 Difference]: Start difference. First operand 1757 states and 2195 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2022-11-16 11:22:14,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:14,806 INFO L93 Difference]: Finished difference Result 2660 states and 3259 transitions. [2022-11-16 11:22:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:22:14,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 120 [2022-11-16 11:22:14,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:14,821 INFO L225 Difference]: With dead ends: 2660 [2022-11-16 11:22:14,822 INFO L226 Difference]: Without dead ends: 2658 [2022-11-16 11:22:14,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:22:14,825 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 2659 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 2669 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 2669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:14,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 2587 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 2669 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 11:22:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2022-11-16 11:22:15,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2613. [2022-11-16 11:22:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 1772 states have (on average 1.1788939051918736) internal successors, (2089), 1840 states have internal predecessors, (2089), 571 states have call successors, (571), 249 states have call predecessors, (571), 248 states have return successors, (573), 555 states have call predecessors, (573), 569 states have call successors, (573) [2022-11-16 11:22:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3233 transitions. [2022-11-16 11:22:15,230 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3233 transitions. Word has length 120 [2022-11-16 11:22:15,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:15,231 INFO L495 AbstractCegarLoop]: Abstraction has 2613 states and 3233 transitions. [2022-11-16 11:22:15,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2022-11-16 11:22:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3233 transitions. [2022-11-16 11:22:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-16 11:22:15,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:15,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:15,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:22:15,235 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:15,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1056994454, now seen corresponding path program 1 times [2022-11-16 11:22:15,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:15,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421196368] [2022-11-16 11:22:15,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:15,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:22:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:22:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:15,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:15,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421196368] [2022-11-16 11:22:15,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421196368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:15,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:15,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:15,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845041565] [2022-11-16 11:22:15,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:15,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:15,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:15,686 INFO L87 Difference]: Start difference. First operand 2613 states and 3233 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-11-16 11:22:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:20,059 INFO L93 Difference]: Finished difference Result 3720 states and 4537 transitions. [2022-11-16 11:22:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:22:20,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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 126 [2022-11-16 11:22:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:20,080 INFO L225 Difference]: With dead ends: 3720 [2022-11-16 11:22:20,081 INFO L226 Difference]: Without dead ends: 3718 [2022-11-16 11:22:20,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:22:20,084 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 2151 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 1096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 2722 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1096 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:20,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2253 Valid, 2722 Invalid, 3854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1096 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 11:22:20,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2022-11-16 11:22:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3577. [2022-11-16 11:22:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3577 states, 2419 states have (on average 1.1686647374948327) internal successors, (2827), 2509 states have internal predecessors, (2827), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-11-16 11:22:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3577 states and 4397 transitions. [2022-11-16 11:22:20,649 INFO L78 Accepts]: Start accepts. Automaton has 3577 states and 4397 transitions. Word has length 126 [2022-11-16 11:22:20,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:20,649 INFO L495 AbstractCegarLoop]: Abstraction has 3577 states and 4397 transitions. [2022-11-16 11:22:20,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-11-16 11:22:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3577 states and 4397 transitions. [2022-11-16 11:22:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-16 11:22:20,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:20,653 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:20,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:22:20,654 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:20,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1232010223, now seen corresponding path program 1 times [2022-11-16 11:22:20,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:20,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362615443] [2022-11-16 11:22:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:22:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:22:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:22:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:22:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:22:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:22:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:22:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:21,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:21,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362615443] [2022-11-16 11:22:21,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362615443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:21,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:21,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:21,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473893180] [2022-11-16 11:22:21,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:21,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:21,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:21,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:21,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:21,110 INFO L87 Difference]: Start difference. First operand 3577 states and 4397 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-16 11:22:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:24,601 INFO L93 Difference]: Finished difference Result 6567 states and 8076 transitions. [2022-11-16 11:22:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:22:24,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2022-11-16 11:22:24,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:24,626 INFO L225 Difference]: With dead ends: 6567 [2022-11-16 11:22:24,626 INFO L226 Difference]: Without dead ends: 3844 [2022-11-16 11:22:24,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:22:24,636 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 1351 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 3068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:24,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 2556 Invalid, 3068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-16 11:22:24,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3844 states. [2022-11-16 11:22:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3844 to 3578. [2022-11-16 11:22:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 2420 states have (on average 1.168595041322314) internal successors, (2828), 2510 states have internal predecessors, (2828), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-11-16 11:22:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 4398 transitions. [2022-11-16 11:22:25,128 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 4398 transitions. Word has length 141 [2022-11-16 11:22:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:25,129 INFO L495 AbstractCegarLoop]: Abstraction has 3578 states and 4398 transitions. [2022-11-16 11:22:25,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-16 11:22:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 4398 transitions. [2022-11-16 11:22:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 11:22:25,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:25,133 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:25,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:22:25,133 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:25,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash -540137387, now seen corresponding path program 1 times [2022-11-16 11:22:25,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:25,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109988210] [2022-11-16 11:22:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:22:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:22:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:22:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:25,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:25,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109988210] [2022-11-16 11:22:25,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109988210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:25,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:25,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:25,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474065587] [2022-11-16 11:22:25,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:25,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:25,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:25,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:25,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:25,587 INFO L87 Difference]: Start difference. First operand 3578 states and 4398 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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) [2022-11-16 11:22:28,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:28,478 INFO L93 Difference]: Finished difference Result 3578 states and 4398 transitions. [2022-11-16 11:22:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:22:28,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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 132 [2022-11-16 11:22:28,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:28,495 INFO L225 Difference]: With dead ends: 3578 [2022-11-16 11:22:28,495 INFO L226 Difference]: Without dead ends: 3576 [2022-11-16 11:22:28,498 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 [2022-11-16 11:22:28,498 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1874 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:28,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 2173 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 11:22:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2022-11-16 11:22:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 3576. [2022-11-16 11:22:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3576 states, 2419 states have (on average 1.1678379495659363) internal successors, (2825), 2508 states have internal predecessors, (2825), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-11-16 11:22:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3576 states and 4395 transitions. [2022-11-16 11:22:28,932 INFO L78 Accepts]: Start accepts. Automaton has 3576 states and 4395 transitions. Word has length 132 [2022-11-16 11:22:28,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:28,932 INFO L495 AbstractCegarLoop]: Abstraction has 3576 states and 4395 transitions. [2022-11-16 11:22:28,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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) [2022-11-16 11:22:28,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3576 states and 4395 transitions. [2022-11-16 11:22:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-16 11:22:28,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:28,936 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:28,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:22:28,937 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:28,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:28,937 INFO L85 PathProgramCache]: Analyzing trace with hash 499031001, now seen corresponding path program 1 times [2022-11-16 11:22:28,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:28,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248109709] [2022-11-16 11:22:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:28,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:22:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:22:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:22:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:22:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:22:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:22:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:22:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:29,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:29,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248109709] [2022-11-16 11:22:29,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248109709] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:22:29,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079702304] [2022-11-16 11:22:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:29,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:22:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:22:29,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:22:29,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:22:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:30,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:22:30,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:22:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:30,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:22:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:30,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079702304] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:22:30,279 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:22:30,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-11-16 11:22:30,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254521365] [2022-11-16 11:22:30,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:22:30,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:22:30,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:30,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:22:30,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:22:30,282 INFO L87 Difference]: Start difference. First operand 3576 states and 4395 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-16 11:22:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:33,925 INFO L93 Difference]: Finished difference Result 6587 states and 8108 transitions. [2022-11-16 11:22:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:22:33,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2022-11-16 11:22:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:33,942 INFO L225 Difference]: With dead ends: 6587 [2022-11-16 11:22:33,942 INFO L226 Difference]: Without dead ends: 3865 [2022-11-16 11:22:33,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:22:33,953 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1428 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 2846 mSolverCounterSat, 1025 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 3153 SdHoareTripleChecker+Invalid, 3871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 2846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:33,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 3153 Invalid, 3871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1025 Valid, 2846 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 11:22:33,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2022-11-16 11:22:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3609. [2022-11-16 11:22:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3609 states, 2449 states have (on average 1.1706819109840751) internal successors, (2867), 2541 states have internal predecessors, (2867), 787 states have call successors, (787), 354 states have call predecessors, (787), 352 states have return successors, (789), 761 states have call predecessors, (789), 785 states have call successors, (789) [2022-11-16 11:22:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 3609 states and 4443 transitions. [2022-11-16 11:22:34,540 INFO L78 Accepts]: Start accepts. Automaton has 3609 states and 4443 transitions. Word has length 146 [2022-11-16 11:22:34,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:34,541 INFO L495 AbstractCegarLoop]: Abstraction has 3609 states and 4443 transitions. [2022-11-16 11:22:34,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-16 11:22:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3609 states and 4443 transitions. [2022-11-16 11:22:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-16 11:22:34,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:34,545 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:34,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:22:34,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-16 11:22:34,755 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:34,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2107943755, now seen corresponding path program 1 times [2022-11-16 11:22:34,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:34,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069370587] [2022-11-16 11:22:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:34,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:22:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:22:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:22:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:22:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:22:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:22:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:22:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:35,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:35,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069370587] [2022-11-16 11:22:35,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069370587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:35,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:35,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:22:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17063131] [2022-11-16 11:22:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:35,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:22:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:22:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:22:35,356 INFO L87 Difference]: Start difference. First operand 3609 states and 4443 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:22:40,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:40,010 INFO L93 Difference]: Finished difference Result 3909 states and 4815 transitions. [2022-11-16 11:22:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:22:40,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2022-11-16 11:22:40,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:40,023 INFO L225 Difference]: With dead ends: 3909 [2022-11-16 11:22:40,023 INFO L226 Difference]: Without dead ends: 3907 [2022-11-16 11:22:40,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:22:40,027 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 2994 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 3187 mSolverCounterSat, 1667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 3122 SdHoareTripleChecker+Invalid, 4854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1667 IncrementalHoareTripleChecker+Valid, 3187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:40,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 3122 Invalid, 4854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1667 Valid, 3187 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-16 11:22:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2022-11-16 11:22:40,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3609. [2022-11-16 11:22:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3609 states, 2449 states have (on average 1.1694569211923234) internal successors, (2864), 2541 states have internal predecessors, (2864), 787 states have call successors, (787), 354 states have call predecessors, (787), 352 states have return successors, (789), 761 states have call predecessors, (789), 785 states have call successors, (789) [2022-11-16 11:22:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 3609 states and 4440 transitions. [2022-11-16 11:22:40,396 INFO L78 Accepts]: Start accepts. Automaton has 3609 states and 4440 transitions. Word has length 147 [2022-11-16 11:22:40,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:40,397 INFO L495 AbstractCegarLoop]: Abstraction has 3609 states and 4440 transitions. [2022-11-16 11:22:40,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:22:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3609 states and 4440 transitions. [2022-11-16 11:22:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-16 11:22:40,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:40,400 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:40,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:22:40,401 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:40,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:40,401 INFO L85 PathProgramCache]: Analyzing trace with hash 986884044, now seen corresponding path program 1 times [2022-11-16 11:22:40,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:40,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463678831] [2022-11-16 11:22:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:40,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:22:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:22:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:22:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:22:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:40,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:40,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463678831] [2022-11-16 11:22:40,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463678831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:40,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:40,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:40,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808757722] [2022-11-16 11:22:40,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:40,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:40,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:40,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:40,798 INFO L87 Difference]: Start difference. First operand 3609 states and 4440 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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) [2022-11-16 11:22:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:44,956 INFO L93 Difference]: Finished difference Result 3942 states and 4792 transitions. [2022-11-16 11:22:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:22:44,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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 138 [2022-11-16 11:22:44,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:44,969 INFO L225 Difference]: With dead ends: 3942 [2022-11-16 11:22:44,970 INFO L226 Difference]: Without dead ends: 3940 [2022-11-16 11:22:44,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:22:44,973 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 1819 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 3165 mSolverCounterSat, 1064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 4229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 3165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:44,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 2868 Invalid, 4229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1064 Valid, 3165 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 11:22:44,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2022-11-16 11:22:45,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3813. [2022-11-16 11:22:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3813 states, 2585 states have (on average 1.1609284332688588) internal successors, (3001), 2677 states have internal predecessors, (3001), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:22:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 3813 states and 4657 transitions. [2022-11-16 11:22:45,464 INFO L78 Accepts]: Start accepts. Automaton has 3813 states and 4657 transitions. Word has length 138 [2022-11-16 11:22:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:45,465 INFO L495 AbstractCegarLoop]: Abstraction has 3813 states and 4657 transitions. [2022-11-16 11:22:45,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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) [2022-11-16 11:22:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3813 states and 4657 transitions. [2022-11-16 11:22:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-16 11:22:45,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:45,468 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:45,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:22:45,468 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:45,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:45,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1029792888, now seen corresponding path program 1 times [2022-11-16 11:22:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:45,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605943112] [2022-11-16 11:22:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:45,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:22:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:22:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:22:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:22:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:22:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:22:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:22:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:45,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:45,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605943112] [2022-11-16 11:22:45,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605943112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:45,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:45,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:22:45,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675776689] [2022-11-16 11:22:45,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:45,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:22:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:22:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:22:45,886 INFO L87 Difference]: Start difference. First operand 3813 states and 4657 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:22:49,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:49,356 INFO L93 Difference]: Finished difference Result 4069 states and 4997 transitions. [2022-11-16 11:22:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:22:49,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2022-11-16 11:22:49,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:49,373 INFO L225 Difference]: With dead ends: 4069 [2022-11-16 11:22:49,373 INFO L226 Difference]: Without dead ends: 4067 [2022-11-16 11:22:49,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:22:49,376 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 2374 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 1166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 3185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:49,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 2573 Invalid, 3185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-16 11:22:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4067 states. [2022-11-16 11:22:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4067 to 3811. [2022-11-16 11:22:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3811 states, 2584 states have (on average 1.1578947368421053) internal successors, (2992), 2675 states have internal predecessors, (2992), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:22:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3811 states and 4648 transitions. [2022-11-16 11:22:49,907 INFO L78 Accepts]: Start accepts. Automaton has 3811 states and 4648 transitions. Word has length 150 [2022-11-16 11:22:49,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:49,908 INFO L495 AbstractCegarLoop]: Abstraction has 3811 states and 4648 transitions. [2022-11-16 11:22:49,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:22:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4648 transitions. [2022-11-16 11:22:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-16 11:22:49,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:49,911 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:49,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:22:49,912 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:49,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash -910044033, now seen corresponding path program 1 times [2022-11-16 11:22:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:49,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601315674] [2022-11-16 11:22:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:22:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:22:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:22:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:22:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:22:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:22:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:22:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:22:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:22:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:22:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:22:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:22:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:22:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:22:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:22:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:22:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:22:50,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:50,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601315674] [2022-11-16 11:22:50,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601315674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:50,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:50,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:22:50,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929056889] [2022-11-16 11:22:50,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:50,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:50,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:50,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:50,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:50,310 INFO L87 Difference]: Start difference. First operand 3811 states and 4648 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2022-11-16 11:22:52,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:52,998 INFO L93 Difference]: Finished difference Result 3811 states and 4648 transitions. [2022-11-16 11:22:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:22:52,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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 144 [2022-11-16 11:22:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:53,012 INFO L225 Difference]: With dead ends: 3811 [2022-11-16 11:22:53,012 INFO L226 Difference]: Without dead ends: 3809 [2022-11-16 11:22:53,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:22:53,015 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1862 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:53,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 2173 Invalid, 2495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 11:22:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2022-11-16 11:22:53,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3809. [2022-11-16 11:22:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3809 states, 2583 states have (on average 1.1571815718157181) internal successors, (2989), 2673 states have internal predecessors, (2989), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:22:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 3809 states and 4645 transitions. [2022-11-16 11:22:53,606 INFO L78 Accepts]: Start accepts. Automaton has 3809 states and 4645 transitions. Word has length 144 [2022-11-16 11:22:53,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:53,607 INFO L495 AbstractCegarLoop]: Abstraction has 3809 states and 4645 transitions. [2022-11-16 11:22:53,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2022-11-16 11:22:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3809 states and 4645 transitions. [2022-11-16 11:22:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-16 11:22:53,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:53,610 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:53,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:22:53,611 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:53,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash 397258337, now seen corresponding path program 1 times [2022-11-16 11:22:53,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:53,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309958561] [2022-11-16 11:22:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:53,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:22:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:22:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:22:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:22:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:22:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:22:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:22:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-16 11:22:54,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:54,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309958561] [2022-11-16 11:22:54,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309958561] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:22:54,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962747714] [2022-11-16 11:22:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:54,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:22:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:22:54,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:22:54,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:22:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:55,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 11:22:55,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:22:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:55,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:22:55,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962747714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:55,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:22:55,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 18 [2022-11-16 11:22:55,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041299491] [2022-11-16 11:22:55,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:55,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:55,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:55,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:55,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-11-16 11:22:55,752 INFO L87 Difference]: Start difference. First operand 3809 states and 4645 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:22:58,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:58,271 INFO L93 Difference]: Finished difference Result 3833 states and 4661 transitions. [2022-11-16 11:22:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:22:58,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2022-11-16 11:22:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:58,285 INFO L225 Difference]: With dead ends: 3833 [2022-11-16 11:22:58,286 INFO L226 Difference]: Without dead ends: 3831 [2022-11-16 11:22:58,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:22:58,289 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1355 mSDsluCounter, 1528 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 2955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:58,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 2176 Invalid, 2955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 2510 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 11:22:58,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3831 states. [2022-11-16 11:22:58,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3831 to 3831. [2022-11-16 11:22:58,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2598 states have (on average 1.153194765204003) internal successors, (2996), 2687 states have internal predecessors, (2996), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:22:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 4652 transitions. [2022-11-16 11:22:58,816 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 4652 transitions. Word has length 153 [2022-11-16 11:22:58,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:58,816 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 4652 transitions. [2022-11-16 11:22:58,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:22:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 4652 transitions. [2022-11-16 11:22:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-16 11:22:58,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:58,819 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:58,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:22:59,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:22:59,022 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:22:59,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:59,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2094018420, now seen corresponding path program 1 times [2022-11-16 11:22:59,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:59,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4579929] [2022-11-16 11:22:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:59,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:22:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:22:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:22:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:22:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:22:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:22:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:22:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:22:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:22:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:22:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:22:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:22:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:22:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:22:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-16 11:22:59,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:59,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4579929] [2022-11-16 11:22:59,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4579929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:59,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:59,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:22:59,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151103161] [2022-11-16 11:22:59,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:59,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:22:59,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:59,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:22:59,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:22:59,589 INFO L87 Difference]: Start difference. First operand 3831 states and 4652 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:23:02,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:02,735 INFO L93 Difference]: Finished difference Result 4087 states and 4992 transitions. [2022-11-16 11:23:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:23:02,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-11-16 11:23:02,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:02,750 INFO L225 Difference]: With dead ends: 4087 [2022-11-16 11:23:02,751 INFO L226 Difference]: Without dead ends: 4085 [2022-11-16 11:23:02,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:23:02,754 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 2334 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 1166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 3183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:02,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 2573 Invalid, 3183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 11:23:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4085 states. [2022-11-16 11:23:03,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4085 to 3829. [2022-11-16 11:23:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 2597 states have (on average 1.150173276857913) internal successors, (2987), 2685 states have internal predecessors, (2987), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:23:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 4643 transitions. [2022-11-16 11:23:03,371 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 4643 transitions. Word has length 156 [2022-11-16 11:23:03,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:03,372 INFO L495 AbstractCegarLoop]: Abstraction has 3829 states and 4643 transitions. [2022-11-16 11:23:03,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:23:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 4643 transitions. [2022-11-16 11:23:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-16 11:23:03,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:03,376 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:03,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:23:03,376 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:03,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:03,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1093123420, now seen corresponding path program 1 times [2022-11-16 11:23:03,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:03,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798495956] [2022-11-16 11:23:03,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:23:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:23:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:23:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:23:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:23:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:23:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:23:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:23:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:23:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:23:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:23:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:23:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:23:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:23:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:23:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:23:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:23:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:23:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:23:03,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:03,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798495956] [2022-11-16 11:23:03,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798495956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:03,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:03,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:23:03,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365097073] [2022-11-16 11:23:03,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:03,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:23:03,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:23:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:23:03,957 INFO L87 Difference]: Start difference. First operand 3829 states and 4643 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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) [2022-11-16 11:23:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:07,076 INFO L93 Difference]: Finished difference Result 3829 states and 4643 transitions. [2022-11-16 11:23:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:23:07,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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 150 [2022-11-16 11:23:07,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:07,088 INFO L225 Difference]: With dead ends: 3829 [2022-11-16 11:23:07,088 INFO L226 Difference]: Without dead ends: 3827 [2022-11-16 11:23:07,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:23:07,091 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1844 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:07,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 2173 Invalid, 2483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 11:23:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-11-16 11:23:07,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2022-11-16 11:23:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2596 states have (on average 1.1494607087827426) internal successors, (2984), 2683 states have internal predecessors, (2984), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:23:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 4640 transitions. [2022-11-16 11:23:07,783 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 4640 transitions. Word has length 150 [2022-11-16 11:23:07,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:07,783 INFO L495 AbstractCegarLoop]: Abstraction has 3827 states and 4640 transitions. [2022-11-16 11:23:07,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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) [2022-11-16 11:23:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 4640 transitions. [2022-11-16 11:23:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-16 11:23:07,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:07,787 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:07,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:23:07,787 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:07,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:07,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1943010833, now seen corresponding path program 2 times [2022-11-16 11:23:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:07,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941711870] [2022-11-16 11:23:07,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:23:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:23:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:23:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:23:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:23:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:23:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:23:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:23:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-16 11:23:08,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:08,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941711870] [2022-11-16 11:23:08,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941711870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:08,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:08,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:23:08,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866917726] [2022-11-16 11:23:08,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:08,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:23:08,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:08,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:23:08,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:23:08,379 INFO L87 Difference]: Start difference. First operand 3827 states and 4640 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:23:13,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:13,335 INFO L93 Difference]: Finished difference Result 4103 states and 4996 transitions. [2022-11-16 11:23:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:23:13,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2022-11-16 11:23:13,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:13,345 INFO L225 Difference]: With dead ends: 4103 [2022-11-16 11:23:13,345 INFO L226 Difference]: Without dead ends: 4101 [2022-11-16 11:23:13,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:23:13,349 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 1910 mSDsluCounter, 2902 mSDsCounter, 0 mSdLazyCounter, 3713 mSolverCounterSat, 1265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 3661 SdHoareTripleChecker+Invalid, 4978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1265 IncrementalHoareTripleChecker+Valid, 3713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:13,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1925 Valid, 3661 Invalid, 4978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1265 Valid, 3713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 11:23:13,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2022-11-16 11:23:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 3839. [2022-11-16 11:23:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 2605 states have (on average 1.1489443378119002) internal successors, (2993), 2692 states have internal predecessors, (2993), 827 states have call successors, (827), 393 states have call predecessors, (827), 391 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:23:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 4649 transitions. [2022-11-16 11:23:14,045 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 4649 transitions. Word has length 161 [2022-11-16 11:23:14,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:14,045 INFO L495 AbstractCegarLoop]: Abstraction has 3839 states and 4649 transitions. [2022-11-16 11:23:14,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 11:23:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 4649 transitions. [2022-11-16 11:23:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-16 11:23:14,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:14,049 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:14,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 11:23:14,049 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:14,050 INFO L85 PathProgramCache]: Analyzing trace with hash 580077311, now seen corresponding path program 1 times [2022-11-16 11:23:14,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:14,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264476985] [2022-11-16 11:23:14,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:23:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:23:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:23:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:23:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:23:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:23:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:23:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:23:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:23:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:23:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:23:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:23:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:23:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:23:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:23:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:23:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:23:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:23:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:23:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:23:14,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:14,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264476985] [2022-11-16 11:23:14,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264476985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:14,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:14,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:23:14,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427680165] [2022-11-16 11:23:14,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:14,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:23:14,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:14,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:23:14,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:23:14,740 INFO L87 Difference]: Start difference. First operand 3839 states and 4649 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2022-11-16 11:23:17,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:17,712 INFO L93 Difference]: Finished difference Result 3839 states and 4649 transitions. [2022-11-16 11:23:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:23:17,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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 156 [2022-11-16 11:23:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:17,726 INFO L225 Difference]: With dead ends: 3839 [2022-11-16 11:23:17,727 INFO L226 Difference]: Without dead ends: 3837 [2022-11-16 11:23:17,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:23:17,730 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1838 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:17,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 2173 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 11:23:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-11-16 11:23:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3837. [2022-11-16 11:23:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2604 states have (on average 1.1482334869431643) internal successors, (2990), 2690 states have internal predecessors, (2990), 827 states have call successors, (827), 393 states have call predecessors, (827), 391 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-11-16 11:23:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 4646 transitions. [2022-11-16 11:23:18,448 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 4646 transitions. Word has length 156 [2022-11-16 11:23:18,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:18,448 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 4646 transitions. [2022-11-16 11:23:18,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2022-11-16 11:23:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 4646 transitions. [2022-11-16 11:23:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-16 11:23:18,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:18,452 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:18,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 11:23:18,452 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:18,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash -69825241, now seen corresponding path program 1 times [2022-11-16 11:23:18,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:18,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209178826] [2022-11-16 11:23:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:23:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:23:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:23:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:23:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:23:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:23:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:23:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:23:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-16 11:23:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-16 11:23:18,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:18,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209178826] [2022-11-16 11:23:18,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209178826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:18,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:18,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:23:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477642753] [2022-11-16 11:23:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:18,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:23:18,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:18,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:23:18,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:23:19,000 INFO L87 Difference]: Start difference. First operand 3837 states and 4646 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 11:23:22,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:22,903 INFO L93 Difference]: Finished difference Result 4288 states and 5170 transitions. [2022-11-16 11:23:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:23:22,904 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2022-11-16 11:23:22,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:22,916 INFO L225 Difference]: With dead ends: 4288 [2022-11-16 11:23:22,916 INFO L226 Difference]: Without dead ends: 4286 [2022-11-16 11:23:22,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:23:22,920 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 2292 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 3044 mSolverCounterSat, 1141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 3192 SdHoareTripleChecker+Invalid, 4185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 3044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:22,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 3192 Invalid, 4185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1141 Valid, 3044 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 11:23:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2022-11-16 11:23:23,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 4024. [2022-11-16 11:23:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4024 states, 2743 states have (on average 1.142544659132337) internal successors, (3134), 2828 states have internal predecessors, (3134), 841 states have call successors, (841), 428 states have call predecessors, (841), 426 states have return successors, (843), 815 states have call predecessors, (843), 839 states have call successors, (843) [2022-11-16 11:23:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 4818 transitions. [2022-11-16 11:23:23,400 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 4818 transitions. Word has length 170 [2022-11-16 11:23:23,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:23,400 INFO L495 AbstractCegarLoop]: Abstraction has 4024 states and 4818 transitions. [2022-11-16 11:23:23,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 11:23:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 4818 transitions. [2022-11-16 11:23:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-16 11:23:23,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:23,403 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:23,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:23:23,403 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:23,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash -905312962, now seen corresponding path program 1 times [2022-11-16 11:23:23,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:23,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125675637] [2022-11-16 11:23:23,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:23,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:23:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:23:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:23:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:23:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:23:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:23:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:23:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:23:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:23:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:23:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:23:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:23:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:23:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:23:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:23:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:23:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:23:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:23:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:23:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:23:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:23:23,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:23,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125675637] [2022-11-16 11:23:23,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125675637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:23,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:23,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:23:23,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334088883] [2022-11-16 11:23:23,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:23,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:23:23,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:23,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:23:23,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:23:23,828 INFO L87 Difference]: Start difference. First operand 4024 states and 4818 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-16 11:23:26,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:26,535 INFO L93 Difference]: Finished difference Result 4024 states and 4818 transitions. [2022-11-16 11:23:26,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:23:26,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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 162 [2022-11-16 11:23:26,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:26,543 INFO L225 Difference]: With dead ends: 4024 [2022-11-16 11:23:26,543 INFO L226 Difference]: Without dead ends: 4022 [2022-11-16 11:23:26,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:23:26,546 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1826 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:26,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 2173 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 11:23:26,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4022 states. [2022-11-16 11:23:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4022 to 4022. [2022-11-16 11:23:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4022 states, 2742 states have (on average 1.1418672501823486) internal successors, (3131), 2826 states have internal predecessors, (3131), 841 states have call successors, (841), 428 states have call predecessors, (841), 426 states have return successors, (843), 815 states have call predecessors, (843), 839 states have call successors, (843) [2022-11-16 11:23:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4022 states to 4022 states and 4815 transitions. [2022-11-16 11:23:27,227 INFO L78 Accepts]: Start accepts. Automaton has 4022 states and 4815 transitions. Word has length 162 [2022-11-16 11:23:27,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:27,227 INFO L495 AbstractCegarLoop]: Abstraction has 4022 states and 4815 transitions. [2022-11-16 11:23:27,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-11-16 11:23:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4022 states and 4815 transitions. [2022-11-16 11:23:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-16 11:23:27,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:27,230 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:27,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 11:23:27,230 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:27,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:27,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1293988554, now seen corresponding path program 1 times [2022-11-16 11:23:27,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:27,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289504873] [2022-11-16 11:23:27,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:27,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:23:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:23:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:23:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:23:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:23:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:23:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 11:23:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-16 11:23:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 11:23:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 11:23:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:23:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:23:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-16 11:23:28,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:28,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289504873] [2022-11-16 11:23:28,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289504873] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:23:28,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208136572] [2022-11-16 11:23:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:28,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:23:28,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:23:28,267 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:23:28,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 11:23:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:28,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:23:28,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:23:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-16 11:23:29,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:23:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-11-16 11:23:29,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208136572] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:23:29,729 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:23:29,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 7] total 20 [2022-11-16 11:23:29,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134769925] [2022-11-16 11:23:29,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:23:29,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-16 11:23:29,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:29,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 11:23:29,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:23:29,732 INFO L87 Difference]: Start difference. First operand 4022 states and 4815 transitions. Second operand has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) [2022-11-16 11:23:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:38,903 INFO L93 Difference]: Finished difference Result 4402 states and 5279 transitions. [2022-11-16 11:23:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:23:38,904 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) Word has length 172 [2022-11-16 11:23:38,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:38,914 INFO L225 Difference]: With dead ends: 4402 [2022-11-16 11:23:38,914 INFO L226 Difference]: Without dead ends: 4400 [2022-11-16 11:23:38,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 386 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2022-11-16 11:23:38,917 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 4531 mSDsluCounter, 4993 mSDsCounter, 0 mSdLazyCounter, 10996 mSolverCounterSat, 2345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4820 SdHoareTripleChecker+Valid, 5583 SdHoareTripleChecker+Invalid, 13341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2345 IncrementalHoareTripleChecker+Valid, 10996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:38,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4820 Valid, 5583 Invalid, 13341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2345 Valid, 10996 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-16 11:23:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2022-11-16 11:23:39,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 3942. [2022-11-16 11:23:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3942 states, 2689 states have (on average 1.142060245444403) internal successors, (3071), 2767 states have internal predecessors, (3071), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-11-16 11:23:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 4717 transitions. [2022-11-16 11:23:39,415 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 4717 transitions. Word has length 172 [2022-11-16 11:23:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:39,415 INFO L495 AbstractCegarLoop]: Abstraction has 3942 states and 4717 transitions. [2022-11-16 11:23:39,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) [2022-11-16 11:23:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 4717 transitions. [2022-11-16 11:23:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-16 11:23:39,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:39,418 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:39,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:23:39,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-16 11:23:39,626 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:39,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:39,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1307112733, now seen corresponding path program 1 times [2022-11-16 11:23:39,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:39,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531191811] [2022-11-16 11:23:39,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:39,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:23:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:23:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:23:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:23:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:23:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:23:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:23:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:23:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:23:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:23:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:23:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:23:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:23:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:23:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:23:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:23:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:23:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:23:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:23:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:23:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:40,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:23:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:23:40,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:40,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531191811] [2022-11-16 11:23:40,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531191811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:40,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:40,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:23:40,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816036127] [2022-11-16 11:23:40,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:40,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:23:40,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:40,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:23:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:23:40,012 INFO L87 Difference]: Start difference. First operand 3942 states and 4717 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-11-16 11:23:42,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:42,631 INFO L93 Difference]: Finished difference Result 3942 states and 4717 transitions. [2022-11-16 11:23:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:23:42,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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 168 [2022-11-16 11:23:42,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:42,639 INFO L225 Difference]: With dead ends: 3942 [2022-11-16 11:23:42,639 INFO L226 Difference]: Without dead ends: 3940 [2022-11-16 11:23:42,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:23:42,641 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1814 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:42,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 2173 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 11:23:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2022-11-16 11:23:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3940. [2022-11-16 11:23:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3940 states, 2688 states have (on average 1.1413690476190477) internal successors, (3068), 2765 states have internal predecessors, (3068), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-11-16 11:23:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 4714 transitions. [2022-11-16 11:23:43,343 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 4714 transitions. Word has length 168 [2022-11-16 11:23:43,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:43,344 INFO L495 AbstractCegarLoop]: Abstraction has 3940 states and 4714 transitions. [2022-11-16 11:23:43,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-11-16 11:23:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 4714 transitions. [2022-11-16 11:23:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-16 11:23:43,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:43,348 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 11:23:43,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-16 11:23:43,348 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:43,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:43,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1767908881, now seen corresponding path program 1 times [2022-11-16 11:23:43,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:43,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395737791] [2022-11-16 11:23:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:43,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:23:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:23:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:23:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:23:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:23:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:23:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:23:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:23:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:23:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:23:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:23:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:23:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:23:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:23:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:23:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:23:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:23:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:23:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:23:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:23:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-16 11:23:44,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:44,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395737791] [2022-11-16 11:23:44,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395737791] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:23:44,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061110831] [2022-11-16 11:23:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:44,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:23:44,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:23:44,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:23:44,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 11:23:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:44,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 11:23:44,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:23:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 169 proven. 18 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-16 11:23:45,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:23:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-16 11:23:45,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061110831] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:23:45,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:23:45,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 22 [2022-11-16 11:23:45,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506553825] [2022-11-16 11:23:45,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:23:45,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-16 11:23:45,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-16 11:23:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:23:45,518 INFO L87 Difference]: Start difference. First operand 3940 states and 4714 transitions. Second operand has 22 states, 22 states have (on average 7.181818181818182) internal successors, (158), 15 states have internal predecessors, (158), 6 states have call successors, (71), 10 states have call predecessors, (71), 7 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2022-11-16 11:23:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:23:57,036 INFO L93 Difference]: Finished difference Result 5331 states and 6392 transitions. [2022-11-16 11:23:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-16 11:23:57,037 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.181818181818182) internal successors, (158), 15 states have internal predecessors, (158), 6 states have call successors, (71), 10 states have call predecessors, (71), 7 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) Word has length 194 [2022-11-16 11:23:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:23:57,047 INFO L225 Difference]: With dead ends: 5331 [2022-11-16 11:23:57,047 INFO L226 Difference]: Without dead ends: 5329 [2022-11-16 11:23:57,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 436 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=458, Invalid=1434, Unknown=0, NotChecked=0, Total=1892 [2022-11-16 11:23:57,050 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 7942 mSDsluCounter, 6576 mSDsCounter, 0 mSdLazyCounter, 13914 mSolverCounterSat, 5033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8128 SdHoareTripleChecker+Valid, 7435 SdHoareTripleChecker+Invalid, 18947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5033 IncrementalHoareTripleChecker+Valid, 13914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:23:57,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8128 Valid, 7435 Invalid, 18947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5033 Valid, 13914 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-16 11:23:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5329 states. [2022-11-16 11:23:57,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5329 to 4502. [2022-11-16 11:23:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4502 states, 3056 states have (on average 1.1390706806282722) internal successors, (3481), 3148 states have internal predecessors, (3481), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-11-16 11:23:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4502 states to 4502 states and 5401 transitions. [2022-11-16 11:23:57,657 INFO L78 Accepts]: Start accepts. Automaton has 4502 states and 5401 transitions. Word has length 194 [2022-11-16 11:23:57,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:23:57,657 INFO L495 AbstractCegarLoop]: Abstraction has 4502 states and 5401 transitions. [2022-11-16 11:23:57,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.181818181818182) internal successors, (158), 15 states have internal predecessors, (158), 6 states have call successors, (71), 10 states have call predecessors, (71), 7 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2022-11-16 11:23:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4502 states and 5401 transitions. [2022-11-16 11:23:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-16 11:23:57,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:23:57,660 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:23:57,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:23:57,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-11-16 11:23:57,861 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:23:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:23:57,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1609517117, now seen corresponding path program 1 times [2022-11-16 11:23:57,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:23:57,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397882902] [2022-11-16 11:23:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:23:57,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:23:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:23:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:23:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:23:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:23:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:23:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:23:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:23:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:23:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:23:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:23:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:23:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:23:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:23:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:23:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:23:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:23:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:23:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:23:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:23:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:23:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:23:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:23:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:23:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:23:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:23:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:23:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:23:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:23:58,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:23:58,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397882902] [2022-11-16 11:23:58,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397882902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:23:58,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:23:58,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:23:58,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317819526] [2022-11-16 11:23:58,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:23:58,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:23:58,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:23:58,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:23:58,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:23:58,271 INFO L87 Difference]: Start difference. First operand 4502 states and 5401 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-11-16 11:24:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:00,921 INFO L93 Difference]: Finished difference Result 4502 states and 5401 transitions. [2022-11-16 11:24:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:24:00,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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 174 [2022-11-16 11:24:00,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:00,930 INFO L225 Difference]: With dead ends: 4502 [2022-11-16 11:24:00,930 INFO L226 Difference]: Without dead ends: 4500 [2022-11-16 11:24:00,932 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 [2022-11-16 11:24:00,933 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1802 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:00,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 2173 Invalid, 2455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 11:24:00,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-11-16 11:24:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 4500. [2022-11-16 11:24:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4500 states, 3055 states have (on average 1.1384615384615384) internal successors, (3478), 3146 states have internal predecessors, (3478), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-11-16 11:24:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4500 states and 5398 transitions. [2022-11-16 11:24:01,526 INFO L78 Accepts]: Start accepts. Automaton has 4500 states and 5398 transitions. Word has length 174 [2022-11-16 11:24:01,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:01,526 INFO L495 AbstractCegarLoop]: Abstraction has 4500 states and 5398 transitions. [2022-11-16 11:24:01,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-11-16 11:24:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4500 states and 5398 transitions. [2022-11-16 11:24:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-16 11:24:01,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:01,529 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:01,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-16 11:24:01,529 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash -502726074, now seen corresponding path program 1 times [2022-11-16 11:24:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:01,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255316915] [2022-11-16 11:24:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:01,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:24:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:24:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:24:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:24:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:24:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:24:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 11:24:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:24:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 11:24:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-16 11:24:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-16 11:24:01,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:01,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255316915] [2022-11-16 11:24:01,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255316915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:01,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:01,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:24:01,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041338975] [2022-11-16 11:24:01,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:01,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:24:01,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:01,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:24:01,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:24:01,976 INFO L87 Difference]: Start difference. First operand 4500 states and 5398 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 11:24:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:06,220 INFO L93 Difference]: Finished difference Result 4791 states and 5779 transitions. [2022-11-16 11:24:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:24:06,221 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 195 [2022-11-16 11:24:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:06,230 INFO L225 Difference]: With dead ends: 4791 [2022-11-16 11:24:06,230 INFO L226 Difference]: Without dead ends: 4789 [2022-11-16 11:24:06,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:24:06,232 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 1923 mSDsluCounter, 3358 mSDsCounter, 0 mSdLazyCounter, 3679 mSolverCounterSat, 1450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1450 IncrementalHoareTripleChecker+Valid, 3679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:06,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1925 Valid, 4128 Invalid, 5129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1450 Valid, 3679 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 11:24:06,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4789 states. [2022-11-16 11:24:06,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4789 to 4498. [2022-11-16 11:24:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4498 states, 3054 states have (on average 1.1355599214145382) internal successors, (3468), 3144 states have internal predecessors, (3468), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-11-16 11:24:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4498 states to 4498 states and 5388 transitions. [2022-11-16 11:24:06,815 INFO L78 Accepts]: Start accepts. Automaton has 4498 states and 5388 transitions. Word has length 195 [2022-11-16 11:24:06,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:06,815 INFO L495 AbstractCegarLoop]: Abstraction has 4498 states and 5388 transitions. [2022-11-16 11:24:06,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 11:24:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4498 states and 5388 transitions. [2022-11-16 11:24:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-16 11:24:06,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:06,817 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:06,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-16 11:24:06,817 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:06,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash -105117841, now seen corresponding path program 1 times [2022-11-16 11:24:06,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:06,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080618972] [2022-11-16 11:24:06,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:24:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:24:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:24:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:24:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:24:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:24:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:24:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:24:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:24:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:24:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:24:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:24:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:24:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:24:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:24:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:24:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:24:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:24:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:24:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:24:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:24:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:24:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:24:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:24:07,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:07,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080618972] [2022-11-16 11:24:07,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080618972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:07,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:07,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:24:07,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300189692] [2022-11-16 11:24:07,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:07,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:24:07,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:07,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:24:07,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:24:07,155 INFO L87 Difference]: Start difference. First operand 4498 states and 5388 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-16 11:24:09,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:09,832 INFO L93 Difference]: Finished difference Result 4498 states and 5388 transitions. [2022-11-16 11:24:09,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:24:09,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 180 [2022-11-16 11:24:09,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:09,843 INFO L225 Difference]: With dead ends: 4498 [2022-11-16 11:24:09,843 INFO L226 Difference]: Without dead ends: 4496 [2022-11-16 11:24:09,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:24:09,846 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1790 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:09,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 2173 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 11:24:09,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4496 states. [2022-11-16 11:24:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4496 to 4496. [2022-11-16 11:24:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 3053 states have (on average 1.1349492302653128) internal successors, (3465), 3142 states have internal predecessors, (3465), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-11-16 11:24:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 5385 transitions. [2022-11-16 11:24:10,473 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 5385 transitions. Word has length 180 [2022-11-16 11:24:10,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:10,474 INFO L495 AbstractCegarLoop]: Abstraction has 4496 states and 5385 transitions. [2022-11-16 11:24:10,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-16 11:24:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 5385 transitions. [2022-11-16 11:24:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-16 11:24:10,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:10,477 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:10,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-16 11:24:10,478 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:10,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1960749742, now seen corresponding path program 1 times [2022-11-16 11:24:10,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:10,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41165935] [2022-11-16 11:24:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:10,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:24:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:24:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:24:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:24:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:24:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:24:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:24:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 11:24:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:24:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:24:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 11:24:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:24:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:24:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:24:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:24:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:24:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:24:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:24:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:24:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:24:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:24:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:24:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:24:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-16 11:24:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 11:24:10,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:10,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41165935] [2022-11-16 11:24:10,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41165935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:10,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:10,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:24:10,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971137206] [2022-11-16 11:24:10,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:10,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:24:10,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:10,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:24:10,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:24:10,850 INFO L87 Difference]: Start difference. First operand 4496 states and 5385 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:24:13,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:13,593 INFO L93 Difference]: Finished difference Result 4496 states and 5385 transitions. [2022-11-16 11:24:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:24:13,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 186 [2022-11-16 11:24:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:13,605 INFO L225 Difference]: With dead ends: 4496 [2022-11-16 11:24:13,605 INFO L226 Difference]: Without dead ends: 4103 [2022-11-16 11:24:13,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:24:13,608 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1781 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 1650 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:13,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 2173 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1650 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 11:24:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4103 states. [2022-11-16 11:24:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4103 to 4100. [2022-11-16 11:24:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4100 states, 2797 states have (on average 1.139792634966035) internal successors, (3188), 2880 states have internal predecessors, (3188), 871 states have call successors, (871), 427 states have call predecessors, (871), 426 states have return successors, (872), 844 states have call predecessors, (872), 868 states have call successors, (872) [2022-11-16 11:24:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 4100 states and 4931 transitions. [2022-11-16 11:24:14,398 INFO L78 Accepts]: Start accepts. Automaton has 4100 states and 4931 transitions. Word has length 186 [2022-11-16 11:24:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:14,398 INFO L495 AbstractCegarLoop]: Abstraction has 4100 states and 4931 transitions. [2022-11-16 11:24:14,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:24:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 4100 states and 4931 transitions. [2022-11-16 11:24:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-16 11:24:14,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:14,401 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:14,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-16 11:24:14,402 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1048400844, now seen corresponding path program 1 times [2022-11-16 11:24:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:14,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608485218] [2022-11-16 11:24:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:24:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:24:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:24:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:24:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 11:24:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-16 11:24:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:24:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:24:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:24:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-16 11:24:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:24:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:24:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-16 11:24:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:24:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:24:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:24:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:24:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 11:24:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:24:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-16 11:24:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-16 11:24:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-16 11:24:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-16 11:24:15,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:15,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608485218] [2022-11-16 11:24:15,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608485218] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:24:15,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706601976] [2022-11-16 11:24:15,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:15,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:24:15,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:24:15,630 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:24:15,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 11:24:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:16,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 11:24:16,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:24:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-16 11:24:16,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:24:16,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706601976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:16,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:24:16,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2022-11-16 11:24:16,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273573725] [2022-11-16 11:24:16,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:16,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:24:16,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:24:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:24:16,680 INFO L87 Difference]: Start difference. First operand 4100 states and 4931 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-16 11:24:19,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:19,411 INFO L93 Difference]: Finished difference Result 4100 states and 4931 transitions. [2022-11-16 11:24:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:24:19,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 243 [2022-11-16 11:24:19,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:19,422 INFO L225 Difference]: With dead ends: 4100 [2022-11-16 11:24:19,422 INFO L226 Difference]: Without dead ends: 3821 [2022-11-16 11:24:19,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-11-16 11:24:19,426 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1147 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 2705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:19,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 2136 Invalid, 2705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 11:24:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2022-11-16 11:24:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3598. [2022-11-16 11:24:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2457 states have (on average 1.1461131461131462) internal successors, (2816), 2536 states have internal predecessors, (2816), 771 states have call successors, (771), 365 states have call predecessors, (771), 365 states have return successors, (774), 745 states have call predecessors, (774), 770 states have call successors, (774) [2022-11-16 11:24:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 4361 transitions. [2022-11-16 11:24:19,976 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 4361 transitions. Word has length 243 [2022-11-16 11:24:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:19,976 INFO L495 AbstractCegarLoop]: Abstraction has 3598 states and 4361 transitions. [2022-11-16 11:24:19,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-16 11:24:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 4361 transitions. [2022-11-16 11:24:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-11-16 11:24:19,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:19,982 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:19,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:24:20,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-11-16 11:24:20,195 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:20,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:20,196 INFO L85 PathProgramCache]: Analyzing trace with hash 800961095, now seen corresponding path program 1 times [2022-11-16 11:24:20,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:20,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89974140] [2022-11-16 11:24:20,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:20,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:24:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:24:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:24:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:24:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:24:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:24:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:24:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:24:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:24:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:24:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 11:24:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:24:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 11:24:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 11:24:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:24:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 11:24:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:24:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:24:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 11:24:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-16 11:24:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-16 11:24:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-16 11:24:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-16 11:24:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:24:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-16 11:24:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-16 11:24:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-11-16 11:24:21,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:21,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89974140] [2022-11-16 11:24:21,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89974140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:24:21,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908956047] [2022-11-16 11:24:21,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:21,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:24:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:24:21,379 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:24:21,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 11:24:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:22,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 11:24:22,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:24:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-11-16 11:24:22,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:24:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-11-16 11:24:23,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908956047] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 11:24:23,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:24:23,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 7] total 24 [2022-11-16 11:24:23,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019732783] [2022-11-16 11:24:23,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:23,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:24:23,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:23,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:24:23,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:24:23,369 INFO L87 Difference]: Start difference. First operand 3598 states and 4361 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-11-16 11:24:29,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:29,843 INFO L93 Difference]: Finished difference Result 6357 states and 7937 transitions. [2022-11-16 11:24:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:24:29,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 361 [2022-11-16 11:24:29,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:29,859 INFO L225 Difference]: With dead ends: 6357 [2022-11-16 11:24:29,859 INFO L226 Difference]: Without dead ends: 6355 [2022-11-16 11:24:29,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2022-11-16 11:24:29,863 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 3342 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 4840 mSolverCounterSat, 2033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 3791 SdHoareTripleChecker+Invalid, 6873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2033 IncrementalHoareTripleChecker+Valid, 4840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:29,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3446 Valid, 3791 Invalid, 6873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2033 Valid, 4840 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-16 11:24:29,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6355 states. [2022-11-16 11:24:31,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6355 to 5054. [2022-11-16 11:24:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5054 states, 3476 states have (on average 1.151035673187572) internal successors, (4001), 3571 states have internal predecessors, (4001), 1050 states have call successors, (1050), 523 states have call predecessors, (1050), 523 states have return successors, (1053), 1022 states have call predecessors, (1053), 1049 states have call successors, (1053) [2022-11-16 11:24:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 5054 states and 6104 transitions. [2022-11-16 11:24:31,042 INFO L78 Accepts]: Start accepts. Automaton has 5054 states and 6104 transitions. Word has length 361 [2022-11-16 11:24:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:31,042 INFO L495 AbstractCegarLoop]: Abstraction has 5054 states and 6104 transitions. [2022-11-16 11:24:31,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-11-16 11:24:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5054 states and 6104 transitions. [2022-11-16 11:24:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-16 11:24:31,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:31,053 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:31,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:24:31,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-16 11:24:31,263 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:31,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1014689969, now seen corresponding path program 1 times [2022-11-16 11:24:31,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:31,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266453003] [2022-11-16 11:24:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:31,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:24:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:24:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:24:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:24:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:24:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:24:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:24:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:24:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:24:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:24:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:24:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:24:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:24:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:24:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:24:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:24:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:24:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:24:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-16 11:24:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:24:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:24:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-16 11:24:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:24:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-16 11:24:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-16 11:24:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-16 11:24:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-16 11:24:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-16 11:24:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-16 11:24:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-16 11:24:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-16 11:24:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-16 11:24:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-16 11:24:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2022-11-16 11:24:32,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:32,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266453003] [2022-11-16 11:24:32,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266453003] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:24:32,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314154486] [2022-11-16 11:24:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:32,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:24:32,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:24:32,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:24:32,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 11:24:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:33,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:24:33,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:24:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-11-16 11:24:33,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:24:33,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314154486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:33,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:24:33,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2022-11-16 11:24:33,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097652957] [2022-11-16 11:24:33,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:33,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:24:33,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:33,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:24:33,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-11-16 11:24:33,361 INFO L87 Difference]: Start difference. First operand 5054 states and 6104 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-16 11:24:34,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:34,360 INFO L93 Difference]: Finished difference Result 7534 states and 9068 transitions. [2022-11-16 11:24:34,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:24:34,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 421 [2022-11-16 11:24:34,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:34,370 INFO L225 Difference]: With dead ends: 7534 [2022-11-16 11:24:34,370 INFO L226 Difference]: Without dead ends: 4705 [2022-11-16 11:24:34,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:24:34,376 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 21 mSDsluCounter, 3513 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:34,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 4713 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:24:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4705 states. [2022-11-16 11:24:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4705 to 4705. [2022-11-16 11:24:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4705 states, 3253 states have (on average 1.1509375960651707) internal successors, (3744), 3334 states have internal predecessors, (3744), 948 states have call successors, (948), 499 states have call predecessors, (948), 499 states have return successors, (951), 928 states have call predecessors, (951), 947 states have call successors, (951) [2022-11-16 11:24:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4705 states to 4705 states and 5643 transitions. [2022-11-16 11:24:35,405 INFO L78 Accepts]: Start accepts. Automaton has 4705 states and 5643 transitions. Word has length 421 [2022-11-16 11:24:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:35,405 INFO L495 AbstractCegarLoop]: Abstraction has 4705 states and 5643 transitions. [2022-11-16 11:24:35,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-16 11:24:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 5643 transitions. [2022-11-16 11:24:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-11-16 11:24:35,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:35,418 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:35,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:24:35,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-11-16 11:24:35,623 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:35,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:35,624 INFO L85 PathProgramCache]: Analyzing trace with hash 135140220, now seen corresponding path program 1 times [2022-11-16 11:24:35,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:35,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164313588] [2022-11-16 11:24:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:35,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:24:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:24:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:24:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:24:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:24:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:24:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:24:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:24:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:24:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:24:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 11:24:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:24:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 11:24:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 11:24:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:24:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 11:24:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:24:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:24:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 11:24:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-16 11:24:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-16 11:24:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-16 11:24:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-16 11:24:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:24:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-16 11:24:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 11:24:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-16 11:24:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:24:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-16 11:24:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-16 11:24:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-11-16 11:24:36,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:36,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164313588] [2022-11-16 11:24:36,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164313588] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:24:36,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144281519] [2022-11-16 11:24:36,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:36,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:24:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:24:36,996 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:24:36,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 11:24:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:37,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 2523 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:24:37,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:24:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-11-16 11:24:37,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:24:37,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144281519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:37,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:24:37,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-11-16 11:24:37,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817614172] [2022-11-16 11:24:37,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:37,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:24:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:37,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:24:37,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:24:37,942 INFO L87 Difference]: Start difference. First operand 4705 states and 5643 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-16 11:24:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:39,425 INFO L93 Difference]: Finished difference Result 8237 states and 9931 transitions. [2022-11-16 11:24:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:24:39,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 440 [2022-11-16 11:24:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:24:39,444 INFO L225 Difference]: With dead ends: 8237 [2022-11-16 11:24:39,444 INFO L226 Difference]: Without dead ends: 5036 [2022-11-16 11:24:39,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:24:39,453 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 113 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 3722 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:24:39,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 3722 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:24:39,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5036 states. [2022-11-16 11:24:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5036 to 4837. [2022-11-16 11:24:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 3365 states have (on average 1.1566121842496286) internal successors, (3892), 3446 states have internal predecessors, (3892), 968 states have call successors, (968), 499 states have call predecessors, (968), 499 states have return successors, (971), 948 states have call predecessors, (971), 967 states have call successors, (971) [2022-11-16 11:24:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 5831 transitions. [2022-11-16 11:24:40,353 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 5831 transitions. Word has length 440 [2022-11-16 11:24:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:24:40,353 INFO L495 AbstractCegarLoop]: Abstraction has 4837 states and 5831 transitions. [2022-11-16 11:24:40,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-16 11:24:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 5831 transitions. [2022-11-16 11:24:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-11-16 11:24:40,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:24:40,359 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:24:40,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:24:40,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-11-16 11:24:40,560 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:24:40,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:40,561 INFO L85 PathProgramCache]: Analyzing trace with hash -921590982, now seen corresponding path program 1 times [2022-11-16 11:24:40,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:40,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937024771] [2022-11-16 11:24:40,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:40,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:24:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:24:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:24:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:24:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:24:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:24:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:24:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:24:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:24:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:24:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:24:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 11:24:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:24:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 11:24:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 11:24:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:24:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 11:24:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:24:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:24:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 11:24:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-16 11:24:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:24:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-16 11:24:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-16 11:24:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-16 11:24:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:24:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-16 11:24:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-16 11:24:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:24:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:24:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:24:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:24:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-16 11:24:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:24:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-16 11:24:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:24:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:24:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-16 11:24:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-11-16 11:24:41,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:41,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937024771] [2022-11-16 11:24:41,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937024771] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:24:41,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029434501] [2022-11-16 11:24:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:41,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:24:41,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:24:41,687 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:24:41,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 11:24:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:42,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-16 11:24:42,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:24:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 164 proven. 30 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2022-11-16 11:24:43,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:24:44,343 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 48 proven. 37 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-16 11:24:44,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029434501] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:24:44,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:24:44,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 11] total 29 [2022-11-16 11:24:44,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970080829] [2022-11-16 11:24:44,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:24:44,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-16 11:24:44,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:44,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-16 11:24:44,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2022-11-16 11:24:44,346 INFO L87 Difference]: Start difference. First operand 4837 states and 5831 transitions. Second operand has 29 states, 29 states have (on average 11.793103448275861) internal successors, (342), 19 states have internal predecessors, (342), 9 states have call successors, (126), 10 states have call predecessors, (126), 9 states have return successors, (113), 12 states have call predecessors, (113), 9 states have call successors, (113) [2022-11-16 11:25:01,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:25:01,780 INFO L93 Difference]: Finished difference Result 11967 states and 14486 transitions. [2022-11-16 11:25:01,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-16 11:25:01,781 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 11.793103448275861) internal successors, (342), 19 states have internal predecessors, (342), 9 states have call successors, (126), 10 states have call predecessors, (126), 9 states have return successors, (113), 12 states have call predecessors, (113), 9 states have call successors, (113) Word has length 440 [2022-11-16 11:25:01,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:25:01,809 INFO L225 Difference]: With dead ends: 11967 [2022-11-16 11:25:01,809 INFO L226 Difference]: Without dead ends: 7969 [2022-11-16 11:25:01,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1069 GetRequests, 1005 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1063 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=771, Invalid=3519, Unknown=0, NotChecked=0, Total=4290 [2022-11-16 11:25:01,820 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 7381 mSDsluCounter, 9828 mSDsCounter, 0 mSdLazyCounter, 15499 mSolverCounterSat, 5096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7551 SdHoareTripleChecker+Valid, 10840 SdHoareTripleChecker+Invalid, 20595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5096 IncrementalHoareTripleChecker+Valid, 15499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:25:01,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7551 Valid, 10840 Invalid, 20595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5096 Valid, 15499 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-11-16 11:25:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7969 states. [2022-11-16 11:25:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7969 to 7390. [2022-11-16 11:25:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7390 states, 5075 states have (on average 1.152512315270936) internal successors, (5849), 5226 states have internal predecessors, (5849), 1518 states have call successors, (1518), 786 states have call predecessors, (1518), 792 states have return successors, (1562), 1462 states have call predecessors, (1562), 1517 states have call successors, (1562) [2022-11-16 11:25:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7390 states to 7390 states and 8929 transitions. [2022-11-16 11:25:03,226 INFO L78 Accepts]: Start accepts. Automaton has 7390 states and 8929 transitions. Word has length 440 [2022-11-16 11:25:03,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:25:03,226 INFO L495 AbstractCegarLoop]: Abstraction has 7390 states and 8929 transitions. [2022-11-16 11:25:03,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.793103448275861) internal successors, (342), 19 states have internal predecessors, (342), 9 states have call successors, (126), 10 states have call predecessors, (126), 9 states have return successors, (113), 12 states have call predecessors, (113), 9 states have call successors, (113) [2022-11-16 11:25:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 7390 states and 8929 transitions. [2022-11-16 11:25:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-11-16 11:25:03,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:03,235 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:03,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-16 11:25:03,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-11-16 11:25:03,436 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:25:03,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:03,437 INFO L85 PathProgramCache]: Analyzing trace with hash 983773441, now seen corresponding path program 1 times [2022-11-16 11:25:03,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:03,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962652339] [2022-11-16 11:25:03,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:03,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:25:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:25:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:25:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:25:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:25:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:25:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:25:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:25:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:25:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:25:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:25:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 11:25:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:25:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:25:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:25:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:25:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:25:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:25:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 11:25:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:25:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:25:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:25:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 11:25:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:25:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 11:25:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 11:25:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-16 11:25:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-16 11:25:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-16 11:25:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:25:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-16 11:25:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-16 11:25:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-11-16 11:25:04,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:04,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962652339] [2022-11-16 11:25:04,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962652339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:25:04,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:25:04,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:25:04,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268516743] [2022-11-16 11:25:04,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:25:04,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:25:04,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:04,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:25:04,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:25:04,431 INFO L87 Difference]: Start difference. First operand 7390 states and 8929 transitions. Second operand has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-16 11:25:09,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:25:09,545 INFO L93 Difference]: Finished difference Result 13483 states and 16522 transitions. [2022-11-16 11:25:09,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:25:09,545 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 470 [2022-11-16 11:25:09,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:25:09,575 INFO L225 Difference]: With dead ends: 13483 [2022-11-16 11:25:09,575 INFO L226 Difference]: Without dead ends: 8670 [2022-11-16 11:25:09,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:25:09,590 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 2411 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 2820 mSolverCounterSat, 1934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 4817 SdHoareTripleChecker+Invalid, 4754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1934 IncrementalHoareTripleChecker+Valid, 2820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:25:09,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 4817 Invalid, 4754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1934 Valid, 2820 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 11:25:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states. [2022-11-16 11:25:10,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 7418. [2022-11-16 11:25:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7418 states, 5099 states have (on average 1.1541478721317906) internal successors, (5885), 5250 states have internal predecessors, (5885), 1522 states have call successors, (1522), 786 states have call predecessors, (1522), 792 states have return successors, (1566), 1466 states have call predecessors, (1566), 1521 states have call successors, (1566) [2022-11-16 11:25:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7418 states to 7418 states and 8973 transitions. [2022-11-16 11:25:10,955 INFO L78 Accepts]: Start accepts. Automaton has 7418 states and 8973 transitions. Word has length 470 [2022-11-16 11:25:10,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:25:10,956 INFO L495 AbstractCegarLoop]: Abstraction has 7418 states and 8973 transitions. [2022-11-16 11:25:10,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-16 11:25:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 7418 states and 8973 transitions. [2022-11-16 11:25:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-11-16 11:25:10,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:10,966 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:10,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-16 11:25:10,966 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:25:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1019807767, now seen corresponding path program 1 times [2022-11-16 11:25:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:10,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209389774] [2022-11-16 11:25:10,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:10,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:25:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:25:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:25:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:25:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:25:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:25:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:25:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:25:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:25:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:25:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:25:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 11:25:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:25:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:25:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:25:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:25:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:25:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:25:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 11:25:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:25:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:25:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:25:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 11:25:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:25:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 11:25:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 11:25:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-16 11:25:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-16 11:25:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:25:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-16 11:25:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:25:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-16 11:25:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-16 11:25:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-11-16 11:25:11,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:11,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209389774] [2022-11-16 11:25:11,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209389774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:25:11,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:25:11,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 11:25:11,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3751852] [2022-11-16 11:25:11,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:25:11,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:25:11,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:11,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:25:11,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:25:11,920 INFO L87 Difference]: Start difference. First operand 7418 states and 8973 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-16 11:25:18,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:25:18,735 INFO L93 Difference]: Finished difference Result 13542 states and 16470 transitions. [2022-11-16 11:25:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:25:18,736 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 477 [2022-11-16 11:25:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:25:18,763 INFO L225 Difference]: With dead ends: 13542 [2022-11-16 11:25:18,763 INFO L226 Difference]: Without dead ends: 8701 [2022-11-16 11:25:18,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-11-16 11:25:18,778 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 4531 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 4663 mSolverCounterSat, 2814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4645 SdHoareTripleChecker+Valid, 6113 SdHoareTripleChecker+Invalid, 7477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2814 IncrementalHoareTripleChecker+Valid, 4663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:25:18,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4645 Valid, 6113 Invalid, 7477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2814 Valid, 4663 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-16 11:25:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8701 states. [2022-11-16 11:25:20,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8701 to 7565. [2022-11-16 11:25:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7565 states, 5202 states have (on average 1.1503267973856208) internal successors, (5984), 5351 states have internal predecessors, (5984), 1534 states have call successors, (1534), 818 states have call predecessors, (1534), 824 states have return successors, (1578), 1478 states have call predecessors, (1578), 1533 states have call successors, (1578) [2022-11-16 11:25:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7565 states to 7565 states and 9096 transitions. [2022-11-16 11:25:20,731 INFO L78 Accepts]: Start accepts. Automaton has 7565 states and 9096 transitions. Word has length 477 [2022-11-16 11:25:20,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:25:20,732 INFO L495 AbstractCegarLoop]: Abstraction has 7565 states and 9096 transitions. [2022-11-16 11:25:20,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-16 11:25:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7565 states and 9096 transitions. [2022-11-16 11:25:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-11-16 11:25:20,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:20,741 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:20,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-16 11:25:20,742 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:25:20,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1019867349, now seen corresponding path program 1 times [2022-11-16 11:25:20,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:20,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688543944] [2022-11-16 11:25:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:20,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:25:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:25:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:25:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:25:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:25:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:25:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:25:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:25:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:25:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:25:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:25:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 11:25:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:25:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:25:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:25:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:25:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:25:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:25:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 11:25:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:25:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:25:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:25:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 11:25:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:25:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 11:25:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 11:25:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-16 11:25:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-16 11:25:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:25:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-16 11:25:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:25:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-16 11:25:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-16 11:25:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-11-16 11:25:21,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:21,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688543944] [2022-11-16 11:25:21,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688543944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:25:21,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:25:21,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:25:21,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750904199] [2022-11-16 11:25:21,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:25:21,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:25:21,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:25:21,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:25:21,477 INFO L87 Difference]: Start difference. First operand 7565 states and 9096 transitions. Second operand has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2022-11-16 11:25:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:25:27,463 INFO L93 Difference]: Finished difference Result 8531 states and 10484 transitions. [2022-11-16 11:25:27,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:25:27,463 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 477 [2022-11-16 11:25:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:25:27,487 INFO L225 Difference]: With dead ends: 8531 [2022-11-16 11:25:27,487 INFO L226 Difference]: Without dead ends: 8529 [2022-11-16 11:25:27,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:25:27,493 INFO L413 NwaCegarLoop]: 971 mSDtfsCounter, 3053 mSDsluCounter, 4440 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 2279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 5568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2279 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:25:27,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 5411 Invalid, 5568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2279 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-16 11:25:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8529 states. [2022-11-16 11:25:28,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8529 to 7563. [2022-11-16 11:25:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7563 states, 5201 states have (on average 1.149586617958085) internal successors, (5979), 5349 states have internal predecessors, (5979), 1534 states have call successors, (1534), 818 states have call predecessors, (1534), 824 states have return successors, (1578), 1478 states have call predecessors, (1578), 1533 states have call successors, (1578) [2022-11-16 11:25:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7563 states to 7563 states and 9091 transitions. [2022-11-16 11:25:28,967 INFO L78 Accepts]: Start accepts. Automaton has 7563 states and 9091 transitions. Word has length 477 [2022-11-16 11:25:28,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:25:28,967 INFO L495 AbstractCegarLoop]: Abstraction has 7563 states and 9091 transitions. [2022-11-16 11:25:28,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.181818181818182) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2022-11-16 11:25:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7563 states and 9091 transitions. [2022-11-16 11:25:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-11-16 11:25:28,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:28,978 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:28,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-16 11:25:28,978 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:25:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash -68475877, now seen corresponding path program 1 times [2022-11-16 11:25:28,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:28,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678197103] [2022-11-16 11:25:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:25:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:25:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:25:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:25:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:25:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:25:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:25:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:25:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:25:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:25:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:25:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 11:25:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:25:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:25:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:25:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:25:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:25:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:25:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 11:25:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:25:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:25:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:25:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 11:25:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:25:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 11:25:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 11:25:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-16 11:25:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-16 11:25:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:25:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:25:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:25:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-16 11:25:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:25:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-16 11:25:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-16 11:25:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-11-16 11:25:29,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:29,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678197103] [2022-11-16 11:25:29,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678197103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:25:29,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:25:29,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:25:29,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331562996] [2022-11-16 11:25:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:25:29,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:25:29,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:29,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:25:29,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:25:29,842 INFO L87 Difference]: Start difference. First operand 7563 states and 9091 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-16 11:25:34,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:25:34,604 INFO L93 Difference]: Finished difference Result 13086 states and 15695 transitions. [2022-11-16 11:25:34,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:25:34,604 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 481 [2022-11-16 11:25:34,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:25:34,621 INFO L225 Difference]: With dead ends: 13086 [2022-11-16 11:25:34,621 INFO L226 Difference]: Without dead ends: 7955 [2022-11-16 11:25:34,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:25:34,632 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 3164 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 2012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 3844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2012 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:25:34,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 3444 Invalid, 3844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2012 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 11:25:34,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7955 states. [2022-11-16 11:25:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7955 to 7553. [2022-11-16 11:25:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7553 states, 5192 states have (on average 1.1483050847457628) internal successors, (5962), 5339 states have internal predecessors, (5962), 1534 states have call successors, (1534), 818 states have call predecessors, (1534), 824 states have return successors, (1578), 1478 states have call predecessors, (1578), 1533 states have call successors, (1578) [2022-11-16 11:25:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7553 states to 7553 states and 9074 transitions. [2022-11-16 11:25:36,022 INFO L78 Accepts]: Start accepts. Automaton has 7553 states and 9074 transitions. Word has length 481 [2022-11-16 11:25:36,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:25:36,023 INFO L495 AbstractCegarLoop]: Abstraction has 7553 states and 9074 transitions. [2022-11-16 11:25:36,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-16 11:25:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7553 states and 9074 transitions. [2022-11-16 11:25:36,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-11-16 11:25:36,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:36,036 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:36,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-16 11:25:36,036 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:25:36,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:36,037 INFO L85 PathProgramCache]: Analyzing trace with hash 619855482, now seen corresponding path program 1 times [2022-11-16 11:25:36,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:36,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843654661] [2022-11-16 11:25:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:36,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:25:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:25:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:25:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:25:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:25:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:25:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:25:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:25:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:25:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:25:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:25:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:25:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:25:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:25:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:25:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:25:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:25:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:25:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:25:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 11:25:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:25:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-16 11:25:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:25:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:25:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-16 11:25:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:25:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-16 11:25:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-16 11:25:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-16 11:25:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-16 11:25:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-16 11:25:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 11:25:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-16 11:25:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-16 11:25:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-16 11:25:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:25:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-16 11:25:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-16 11:25:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-16 11:25:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 11:25:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-16 11:25:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:25:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-11-16 11:25:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 11:25:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-16 11:25:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:25:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-11-16 11:25:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2022-11-16 11:25:36,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:36,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843654661] [2022-11-16 11:25:36,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843654661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:25:36,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:25:36,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-16 11:25:36,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028479283] [2022-11-16 11:25:36,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:25:36,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:25:36,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:36,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:25:36,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:25:36,822 INFO L87 Difference]: Start difference. First operand 7553 states and 9074 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-16 11:25:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:25:43,287 INFO L93 Difference]: Finished difference Result 14859 states and 17938 transitions. [2022-11-16 11:25:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:25:43,288 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 504 [2022-11-16 11:25:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:25:43,305 INFO L225 Difference]: With dead ends: 14859 [2022-11-16 11:25:43,305 INFO L226 Difference]: Without dead ends: 8117 [2022-11-16 11:25:43,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2022-11-16 11:25:43,321 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 2667 mSDsluCounter, 4492 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 2154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2667 SdHoareTripleChecker+Valid, 5193 SdHoareTripleChecker+Invalid, 6569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2154 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:25:43,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2667 Valid, 5193 Invalid, 6569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2154 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-16 11:25:43,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8117 states. [2022-11-16 11:25:44,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8117 to 7671. [2022-11-16 11:25:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 5279 states have (on average 1.1460503883311233) internal successors, (6050), 5438 states have internal predecessors, (6050), 1534 states have call successors, (1534), 818 states have call predecessors, (1534), 855 states have return successors, (1611), 1497 states have call predecessors, (1611), 1533 states have call successors, (1611) [2022-11-16 11:25:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 9195 transitions. [2022-11-16 11:25:44,743 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 9195 transitions. Word has length 504 [2022-11-16 11:25:44,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:25:44,744 INFO L495 AbstractCegarLoop]: Abstraction has 7671 states and 9195 transitions. [2022-11-16 11:25:44,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-16 11:25:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 9195 transitions. [2022-11-16 11:25:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-11-16 11:25:44,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:25:44,755 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:25:44,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-16 11:25:44,755 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:25:44,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:25:44,756 INFO L85 PathProgramCache]: Analyzing trace with hash 226828472, now seen corresponding path program 1 times [2022-11-16 11:25:44,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:25:44,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805865269] [2022-11-16 11:25:44,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:44,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:25:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:25:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:25:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:25:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:25:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:25:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:25:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:25:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:25:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:25:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:25:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:25:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:25:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:25:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:25:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:25:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:25:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:25:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:25:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:25:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:25:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:25:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:25:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 11:25:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:25:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-16 11:25:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:25:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:25:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-16 11:25:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:25:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-16 11:25:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-16 11:25:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-16 11:25:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-16 11:25:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-16 11:25:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 11:25:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-16 11:25:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-16 11:25:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-16 11:25:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:25:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-16 11:25:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-16 11:25:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:25:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:25:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-16 11:25:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 11:25:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-16 11:25:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:25:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-11-16 11:25:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:25:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 11:25:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-16 11:25:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:25:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-11-16 11:25:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-11-16 11:25:46,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:25:46,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805865269] [2022-11-16 11:25:46,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805865269] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:25:46,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114528755] [2022-11-16 11:25:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:25:46,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:25:46,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:25:46,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:25:46,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 11:25:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:25:47,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-16 11:25:47,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:25:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2022-11-16 11:25:48,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:25:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-11-16 11:25:48,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114528755] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:25:48,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:25:48,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 26 [2022-11-16 11:25:48,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019382045] [2022-11-16 11:25:48,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:25:48,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-16 11:25:48,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:25:48,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 11:25:48,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2022-11-16 11:25:48,999 INFO L87 Difference]: Start difference. First operand 7671 states and 9195 transitions. Second operand has 26 states, 26 states have (on average 8.76923076923077) internal successors, (228), 17 states have internal predecessors, (228), 4 states have call successors, (135), 12 states have call predecessors, (135), 9 states have return successors, (113), 5 states have call predecessors, (113), 4 states have call successors, (113) [2022-11-16 11:26:00,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:26:00,371 INFO L93 Difference]: Finished difference Result 14973 states and 18037 transitions. [2022-11-16 11:26:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:26:00,372 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.76923076923077) internal successors, (228), 17 states have internal predecessors, (228), 4 states have call successors, (135), 12 states have call predecessors, (135), 9 states have return successors, (113), 5 states have call predecessors, (113), 4 states have call successors, (113) Word has length 504 [2022-11-16 11:26:00,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:26:00,392 INFO L225 Difference]: With dead ends: 14973 [2022-11-16 11:26:00,392 INFO L226 Difference]: Without dead ends: 8115 [2022-11-16 11:26:00,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1208 GetRequests, 1160 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=410, Invalid=1570, Unknown=0, NotChecked=0, Total=1980 [2022-11-16 11:26:00,405 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 6387 mSDsluCounter, 6214 mSDsCounter, 0 mSdLazyCounter, 9500 mSolverCounterSat, 4013 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 6764 SdHoareTripleChecker+Invalid, 13513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4013 IncrementalHoareTripleChecker+Valid, 9500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:26:00,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 6764 Invalid, 13513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4013 Valid, 9500 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-16 11:26:00,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8115 states. [2022-11-16 11:26:01,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8115 to 6283. [2022-11-16 11:26:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6283 states, 4314 states have (on average 1.139545665275846) internal successors, (4916), 4452 states have internal predecessors, (4916), 1278 states have call successors, (1278), 661 states have call predecessors, (1278), 689 states have return successors, (1342), 1241 states have call predecessors, (1342), 1277 states have call successors, (1342) [2022-11-16 11:26:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6283 states to 6283 states and 7536 transitions. [2022-11-16 11:26:01,692 INFO L78 Accepts]: Start accepts. Automaton has 6283 states and 7536 transitions. Word has length 504 [2022-11-16 11:26:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:26:01,693 INFO L495 AbstractCegarLoop]: Abstraction has 6283 states and 7536 transitions. [2022-11-16 11:26:01,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.76923076923077) internal successors, (228), 17 states have internal predecessors, (228), 4 states have call successors, (135), 12 states have call predecessors, (135), 9 states have return successors, (113), 5 states have call predecessors, (113), 4 states have call successors, (113) [2022-11-16 11:26:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6283 states and 7536 transitions. [2022-11-16 11:26:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2022-11-16 11:26:01,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:26:01,704 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:26:01,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:01,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:26:01,905 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:26:01,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:01,906 INFO L85 PathProgramCache]: Analyzing trace with hash 104380443, now seen corresponding path program 1 times [2022-11-16 11:26:01,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:01,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150713673] [2022-11-16 11:26:01,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:01,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:26:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:26:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:26:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:26:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:26:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:26:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:26:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:26:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:26:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:26:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:26:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:26:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:26:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:26:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:26:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:26:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:26:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-16 11:26:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:26:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:26:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 11:26:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:26:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-16 11:26:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:26:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:26:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-16 11:26:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:26:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-16 11:26:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-16 11:26:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-16 11:26:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-16 11:26:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-16 11:26:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-16 11:26:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-16 11:26:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-16 11:26:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-16 11:26:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:26:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-16 11:26:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-16 11:26:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-11-16 11:26:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-16 11:26:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-11-16 11:26:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-16 11:26:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-16 11:26:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-11-16 11:26:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-11-16 11:26:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-11-16 11:26:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-11-16 11:26:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-11-16 11:26:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-16 11:26:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-11-16 11:26:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-11-16 11:26:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-11-16 11:26:03,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:26:03,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150713673] [2022-11-16 11:26:03,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150713673] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:26:03,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294724354] [2022-11-16 11:26:03,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:03,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:26:03,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:03,239 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:26:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 11:26:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:04,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 2650 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-16 11:26:04,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:26:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 18 proven. 570 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2022-11-16 11:26:05,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:26:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 22 proven. 72 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked. [2022-11-16 11:26:06,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294724354] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:26:06,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:26:06,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 12] total 24 [2022-11-16 11:26:06,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421625829] [2022-11-16 11:26:06,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:26:06,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 11:26:06,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:26:06,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 11:26:06,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:26:06,146 INFO L87 Difference]: Start difference. First operand 6283 states and 7536 transitions. Second operand has 24 states, 24 states have (on average 12.166666666666666) internal successors, (292), 19 states have internal predecessors, (292), 5 states have call successors, (135), 10 states have call predecessors, (135), 10 states have return successors, (118), 5 states have call predecessors, (118), 5 states have call successors, (118) [2022-11-16 11:26:15,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:26:15,862 INFO L93 Difference]: Finished difference Result 6589 states and 7952 transitions. [2022-11-16 11:26:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 11:26:15,863 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 12.166666666666666) internal successors, (292), 19 states have internal predecessors, (292), 5 states have call successors, (135), 10 states have call predecessors, (135), 10 states have return successors, (118), 5 states have call predecessors, (118), 5 states have call successors, (118) Word has length 537 [2022-11-16 11:26:15,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:26:15,874 INFO L225 Difference]: With dead ends: 6589 [2022-11-16 11:26:15,874 INFO L226 Difference]: Without dead ends: 6092 [2022-11-16 11:26:15,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1272 GetRequests, 1230 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=1173, Unknown=0, NotChecked=0, Total=1482 [2022-11-16 11:26:15,877 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 4322 mSDsluCounter, 5837 mSDsCounter, 0 mSdLazyCounter, 9413 mSolverCounterSat, 2799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 6387 SdHoareTripleChecker+Invalid, 12212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2799 IncrementalHoareTripleChecker+Valid, 9413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:26:15,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 6387 Invalid, 12212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2799 Valid, 9413 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-16 11:26:15,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6092 states. [2022-11-16 11:26:16,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6092 to 5813. [2022-11-16 11:26:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 3998 states have (on average 1.1418209104552277) internal successors, (4565), 4123 states have internal predecessors, (4565), 1171 states have call successors, (1171), 616 states have call predecessors, (1171), 643 states have return successors, (1234), 1141 states have call predecessors, (1234), 1170 states have call successors, (1234) [2022-11-16 11:26:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 6970 transitions. [2022-11-16 11:26:16,886 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 6970 transitions. Word has length 537 [2022-11-16 11:26:16,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:26:16,886 INFO L495 AbstractCegarLoop]: Abstraction has 5813 states and 6970 transitions. [2022-11-16 11:26:16,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.166666666666666) internal successors, (292), 19 states have internal predecessors, (292), 5 states have call successors, (135), 10 states have call predecessors, (135), 10 states have return successors, (118), 5 states have call predecessors, (118), 5 states have call successors, (118) [2022-11-16 11:26:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 6970 transitions. [2022-11-16 11:26:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-11-16 11:26:16,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:26:16,899 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:26:16,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:17,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-11-16 11:26:17,100 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:26:17,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:17,101 INFO L85 PathProgramCache]: Analyzing trace with hash -724185735, now seen corresponding path program 1 times [2022-11-16 11:26:17,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:17,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119620405] [2022-11-16 11:26:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:26:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:26:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:26:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:26:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:26:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:26:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:26:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:26:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:26:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:26:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:26:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:26:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 11:26:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:26:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:26:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:26:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:26:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:26:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:26:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 11:26:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:26:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:26:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:26:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 11:26:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:26:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 11:26:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 11:26:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:26:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:26:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-16 11:26:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-16 11:26:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:26:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:26:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:26:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:26:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-16 11:26:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:26:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-16 11:26:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-16 11:26:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-16 11:26:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-11-16 11:26:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-16 11:26:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-16 11:26:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:26:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-11-16 11:26:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-11-16 11:26:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-11-16 11:26:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-11-16 11:26:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-11-16 11:26:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-11-16 11:26:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-11-16 11:26:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-11-16 11:26:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-11-16 11:26:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-11-16 11:26:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-11-16 11:26:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-11-16 11:26:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-11-16 11:26:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-11-16 11:26:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-11-16 11:26:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-11-16 11:26:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-11-16 11:26:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-11-16 11:26:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-11-16 11:26:17,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:26:17,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119620405] [2022-11-16 11:26:17,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119620405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:26:17,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:26:17,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:26:17,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484246295] [2022-11-16 11:26:17,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:26:17,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:26:17,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:26:17,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:26:17,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:26:17,946 INFO L87 Difference]: Start difference. First operand 5813 states and 6970 transitions. Second operand has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-16 11:26:23,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:26:23,634 INFO L93 Difference]: Finished difference Result 10358 states and 12651 transitions. [2022-11-16 11:26:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:26:23,635 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 722 [2022-11-16 11:26:23,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:26:23,647 INFO L225 Difference]: With dead ends: 10358 [2022-11-16 11:26:23,647 INFO L226 Difference]: Without dead ends: 6894 [2022-11-16 11:26:23,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:26:23,653 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 2753 mSDsluCounter, 4407 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 2159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 5060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2159 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:26:23,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 5362 Invalid, 5060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2159 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-16 11:26:23,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2022-11-16 11:26:24,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5816. [2022-11-16 11:26:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5816 states, 4001 states have (on average 1.1417145713571608) internal successors, (4568), 4126 states have internal predecessors, (4568), 1171 states have call successors, (1171), 616 states have call predecessors, (1171), 643 states have return successors, (1234), 1141 states have call predecessors, (1234), 1170 states have call successors, (1234) [2022-11-16 11:26:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5816 states to 5816 states and 6973 transitions. [2022-11-16 11:26:24,698 INFO L78 Accepts]: Start accepts. Automaton has 5816 states and 6973 transitions. Word has length 722 [2022-11-16 11:26:24,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:26:24,698 INFO L495 AbstractCegarLoop]: Abstraction has 5816 states and 6973 transitions. [2022-11-16 11:26:24,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-16 11:26:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5816 states and 6973 transitions. [2022-11-16 11:26:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-11-16 11:26:24,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:26:24,712 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:26:24,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-16 11:26:24,712 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:26:24,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:24,713 INFO L85 PathProgramCache]: Analyzing trace with hash -781051081, now seen corresponding path program 1 times [2022-11-16 11:26:24,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:24,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437912022] [2022-11-16 11:26:24,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:26:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:26:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:26:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:26:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:26:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:26:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:26:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:26:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:26:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:26:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:26:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:26:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 11:26:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-16 11:26:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:26:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:26:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:26:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:26:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:26:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 11:26:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:26:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-16 11:26:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:26:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 11:26:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:26:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 11:26:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-16 11:26:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:26:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:26:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-16 11:26:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-16 11:26:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:26:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-16 11:26:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:26:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:26:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:26:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:26:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-16 11:26:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:26:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-16 11:26:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-16 11:26:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-16 11:26:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-11-16 11:26:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-16 11:26:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-16 11:26:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:26:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-11-16 11:26:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-11-16 11:26:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-11-16 11:26:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-11-16 11:26:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-11-16 11:26:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-11-16 11:26:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:26:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:26:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:26:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-11-16 11:26:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-11-16 11:26:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-11-16 11:26:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-11-16 11:26:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-11-16 11:26:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-11-16 11:26:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-11-16 11:26:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-11-16 11:26:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-11-16 11:26:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-11-16 11:26:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-11-16 11:26:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-11-16 11:26:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-11-16 11:26:27,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:26:27,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437912022] [2022-11-16 11:26:27,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437912022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:26:27,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:26:27,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-16 11:26:27,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790451324] [2022-11-16 11:26:27,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:26:27,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 11:26:27,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:26:27,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 11:26:27,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:26:27,020 INFO L87 Difference]: Start difference. First operand 5816 states and 6973 transitions. Second operand has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-16 11:26:37,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:26:37,061 INFO L93 Difference]: Finished difference Result 10971 states and 13553 transitions. [2022-11-16 11:26:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 11:26:37,062 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) Word has length 722 [2022-11-16 11:26:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:26:37,080 INFO L225 Difference]: With dead ends: 10971 [2022-11-16 11:26:37,080 INFO L226 Difference]: Without dead ends: 7504 [2022-11-16 11:26:37,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2022-11-16 11:26:37,089 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 3402 mSDsluCounter, 9157 mSDsCounter, 0 mSdLazyCounter, 8110 mSolverCounterSat, 2290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 10176 SdHoareTripleChecker+Invalid, 10400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2290 IncrementalHoareTripleChecker+Valid, 8110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:26:37,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 10176 Invalid, 10400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2290 Valid, 8110 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-16 11:26:37,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7504 states. [2022-11-16 11:26:38,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7504 to 5777. [2022-11-16 11:26:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 3971 states have (on average 1.1390078065978344) internal successors, (4523), 4096 states have internal predecessors, (4523), 1165 states have call successors, (1165), 613 states have call predecessors, (1165), 640 states have return successors, (1228), 1135 states have call predecessors, (1228), 1164 states have call successors, (1228) [2022-11-16 11:26:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 6916 transitions. [2022-11-16 11:26:38,270 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 6916 transitions. Word has length 722 [2022-11-16 11:26:38,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:26:38,271 INFO L495 AbstractCegarLoop]: Abstraction has 5777 states and 6916 transitions. [2022-11-16 11:26:38,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-16 11:26:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 6916 transitions. [2022-11-16 11:26:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-11-16 11:26:38,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:26:38,290 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:26:38,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-16 11:26:38,290 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:26:38,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash -934365929, now seen corresponding path program 1 times [2022-11-16 11:26:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:38,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159551752] [2022-11-16 11:26:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:38,395 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:26:38,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [797162110] [2022-11-16 11:26:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:38,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:26:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:38,397 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:26:38,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-16 11:26:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:39,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 3650 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-16 11:26:39,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:26:39,851 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 11:26:39,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 11:26:39,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 11:26:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1172 proven. 211 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-11-16 11:26:41,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:26:42,154 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1167 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_ldv_dispatch_register_10_2_#t~ret528#1.base| v_ArrVal_1167) |c_~#nfnl_log_net_id~0.base|) |c_~#nfnl_log_net_id~0.offset|) 0)) is different from false [2022-11-16 11:26:42,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:26:42,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159551752] [2022-11-16 11:26:42,274 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:26:42,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797162110] [2022-11-16 11:26:42,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797162110] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:26:42,274 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:26:42,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-11-16 11:26:42,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407125435] [2022-11-16 11:26:42,275 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:26:42,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:26:42,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:26:42,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:26:42,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=280, Unknown=1, NotChecked=34, Total=380 [2022-11-16 11:26:42,276 INFO L87 Difference]: Start difference. First operand 5777 states and 6916 transitions. Second operand has 12 states, 12 states have (on average 27.416666666666668) internal successors, (329), 8 states have internal predecessors, (329), 5 states have call successors, (90), 4 states have call predecessors, (90), 5 states have return successors, (89), 7 states have call predecessors, (89), 5 states have call successors, (89) [2022-11-16 11:26:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:26:48,341 INFO L93 Difference]: Finished difference Result 9472 states and 11326 transitions. [2022-11-16 11:26:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 11:26:48,342 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 27.416666666666668) internal successors, (329), 8 states have internal predecessors, (329), 5 states have call successors, (90), 4 states have call predecessors, (90), 5 states have return successors, (89), 7 states have call predecessors, (89), 5 states have call successors, (89) Word has length 743 [2022-11-16 11:26:48,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:26:48,350 INFO L225 Difference]: With dead ends: 9472 [2022-11-16 11:26:48,350 INFO L226 Difference]: Without dead ends: 3943 [2022-11-16 11:26:48,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1457 GetRequests, 1426 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=807, Unknown=1, NotChecked=60, Total=1056 [2022-11-16 11:26:48,359 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 487 mSDsluCounter, 8039 mSDsCounter, 0 mSdLazyCounter, 3833 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 9147 SdHoareTripleChecker+Invalid, 4029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 3833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:26:48,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 9147 Invalid, 4029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [196 Valid, 3833 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 11:26:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2022-11-16 11:26:49,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3623. [2022-11-16 11:26:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3623 states, 2475 states have (on average 1.1345454545454545) internal successors, (2808), 2546 states have internal predecessors, (2808), 734 states have call successors, (734), 396 states have call predecessors, (734), 413 states have return successors, (774), 717 states have call predecessors, (774), 733 states have call successors, (774) [2022-11-16 11:26:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3623 states and 4316 transitions. [2022-11-16 11:26:49,228 INFO L78 Accepts]: Start accepts. Automaton has 3623 states and 4316 transitions. Word has length 743 [2022-11-16 11:26:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:26:49,228 INFO L495 AbstractCegarLoop]: Abstraction has 3623 states and 4316 transitions. [2022-11-16 11:26:49,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 27.416666666666668) internal successors, (329), 8 states have internal predecessors, (329), 5 states have call successors, (90), 4 states have call predecessors, (90), 5 states have return successors, (89), 7 states have call predecessors, (89), 5 states have call successors, (89) [2022-11-16 11:26:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3623 states and 4316 transitions. [2022-11-16 11:26:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2022-11-16 11:26:49,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:26:49,243 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:26:49,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:49,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-11-16 11:26:49,459 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:26:49,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:49,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1336137889, now seen corresponding path program 1 times [2022-11-16 11:26:49,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:49,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959280994] [2022-11-16 11:26:49,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:49,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:49,547 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:26:49,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384912182] [2022-11-16 11:26:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:49,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:26:49,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:49,548 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:26:49,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-16 11:26:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:50,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 4093 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 11:26:50,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:26:51,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:26:51,943 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-16 11:26:51,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-16 11:26:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1426 proven. 0 refuted. 0 times theorem prover too weak. 1909 trivial. 0 not checked. [2022-11-16 11:26:54,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:26:54,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:26:54,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959280994] [2022-11-16 11:26:54,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:26:54,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384912182] [2022-11-16 11:26:54,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384912182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:26:54,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:26:54,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:26:54,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198251940] [2022-11-16 11:26:54,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:26:54,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:26:54,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:26:54,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:26:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=106, Unknown=8, NotChecked=0, Total=156 [2022-11-16 11:26:54,273 INFO L87 Difference]: Start difference. First operand 3623 states and 4316 transitions. Second operand has 13 states, 13 states have (on average 27.307692307692307) internal successors, (355), 10 states have internal predecessors, (355), 5 states have call successors, (96), 4 states have call predecessors, (96), 5 states have return successors, (95), 5 states have call predecessors, (95), 5 states have call successors, (95) [2022-11-16 11:27:01,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:01,594 INFO L93 Difference]: Finished difference Result 10522 states and 12587 transitions. [2022-11-16 11:27:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:27:01,595 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 27.307692307692307) internal successors, (355), 10 states have internal predecessors, (355), 5 states have call successors, (96), 4 states have call predecessors, (96), 5 states have return successors, (95), 5 states have call predecessors, (95), 5 states have call successors, (95) Word has length 842 [2022-11-16 11:27:01,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:01,616 INFO L225 Difference]: With dead ends: 10522 [2022-11-16 11:27:01,616 INFO L226 Difference]: Without dead ends: 7228 [2022-11-16 11:27:01,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=273, Unknown=9, NotChecked=0, Total=380 [2022-11-16 11:27:01,626 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1409 mSDsluCounter, 3836 mSDsCounter, 0 mSdLazyCounter, 4548 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 6562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 4548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1466 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:01,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 4947 Invalid, 6562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [548 Valid, 4548 Invalid, 0 Unknown, 1466 Unchecked, 4.8s Time] [2022-11-16 11:27:01,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7228 states. [2022-11-16 11:27:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7228 to 5813. [2022-11-16 11:27:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 3950 states have (on average 1.1351898734177215) internal successors, (4484), 4069 states have internal predecessors, (4484), 1205 states have call successors, (1205), 633 states have call predecessors, (1205), 657 states have return successors, (1278), 1173 states have call predecessors, (1278), 1204 states have call successors, (1278) [2022-11-16 11:27:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 6967 transitions. [2022-11-16 11:27:02,923 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 6967 transitions. Word has length 842 [2022-11-16 11:27:02,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:02,924 INFO L495 AbstractCegarLoop]: Abstraction has 5813 states and 6967 transitions. [2022-11-16 11:27:02,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 27.307692307692307) internal successors, (355), 10 states have internal predecessors, (355), 5 states have call successors, (96), 4 states have call predecessors, (96), 5 states have return successors, (95), 5 states have call predecessors, (95), 5 states have call successors, (95) [2022-11-16 11:27:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 6967 transitions. [2022-11-16 11:27:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2022-11-16 11:27:02,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:02,937 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:27:02,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-16 11:27:03,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:03,138 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:27:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:03,139 INFO L85 PathProgramCache]: Analyzing trace with hash -778859549, now seen corresponding path program 1 times [2022-11-16 11:27:03,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:03,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573209670] [2022-11-16 11:27:03,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:03,249 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:27:03,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276608953] [2022-11-16 11:27:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:03,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:27:03,251 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:27:03,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-16 11:27:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:04,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 4192 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-16 11:27:04,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:27:05,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:27:05,795 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-16 11:27:05,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 11:27:05,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:27:06,050 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-16 11:27:06,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-16 11:27:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2022-11-16 11:27:08,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:27:09,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:09,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573209670] [2022-11-16 11:27:09,174 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:27:09,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276608953] [2022-11-16 11:27:09,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276608953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:27:09,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:27:09,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-11-16 11:27:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218989720] [2022-11-16 11:27:09,175 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:27:09,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:27:09,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:09,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:27:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=299, Unknown=8, NotChecked=0, Total=380 [2022-11-16 11:27:09,177 INFO L87 Difference]: Start difference. First operand 5813 states and 6967 transitions. Second operand has 13 states, 13 states have (on average 27.53846153846154) internal successors, (358), 10 states have internal predecessors, (358), 5 states have call successors, (96), 4 states have call predecessors, (96), 5 states have return successors, (96), 6 states have call predecessors, (96), 5 states have call successors, (96) [2022-11-16 11:27:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:16,551 INFO L93 Difference]: Finished difference Result 9577 states and 11517 transitions. [2022-11-16 11:27:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:27:16,551 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 27.53846153846154) internal successors, (358), 10 states have internal predecessors, (358), 5 states have call successors, (96), 4 states have call predecessors, (96), 5 states have return successors, (96), 6 states have call predecessors, (96), 5 states have call successors, (96) Word has length 860 [2022-11-16 11:27:16,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:16,565 INFO L225 Difference]: With dead ends: 9577 [2022-11-16 11:27:16,565 INFO L226 Difference]: Without dead ends: 6283 [2022-11-16 11:27:16,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1550 GetRequests, 1526 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=474, Unknown=11, NotChecked=0, Total=600 [2022-11-16 11:27:16,573 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1634 mSDsluCounter, 5561 mSDsCounter, 0 mSdLazyCounter, 4648 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 7036 SdHoareTripleChecker+Invalid, 6459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 4648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1475 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:16,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 7036 Invalid, 6459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [336 Valid, 4648 Invalid, 0 Unknown, 1475 Unchecked, 5.4s Time] [2022-11-16 11:27:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6283 states. [2022-11-16 11:27:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6283 to 6173. [2022-11-16 11:27:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6173 states, 4190 states have (on average 1.1343675417661099) internal successors, (4753), 4320 states have internal predecessors, (4753), 1274 states have call successors, (1274), 681 states have call predecessors, (1274), 708 states have return successors, (1367), 1240 states have call predecessors, (1367), 1273 states have call successors, (1367) [2022-11-16 11:27:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 6173 states and 7394 transitions. [2022-11-16 11:27:17,909 INFO L78 Accepts]: Start accepts. Automaton has 6173 states and 7394 transitions. Word has length 860 [2022-11-16 11:27:17,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:17,909 INFO L495 AbstractCegarLoop]: Abstraction has 6173 states and 7394 transitions. [2022-11-16 11:27:17,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 27.53846153846154) internal successors, (358), 10 states have internal predecessors, (358), 5 states have call successors, (96), 4 states have call predecessors, (96), 5 states have return successors, (96), 6 states have call predecessors, (96), 5 states have call successors, (96) [2022-11-16 11:27:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 7394 transitions. [2022-11-16 11:27:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 867 [2022-11-16 11:27:17,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:17,927 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:27:17,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:27:18,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:18,127 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:27:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:18,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1655191070, now seen corresponding path program 1 times [2022-11-16 11:27:18,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:18,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170129485] [2022-11-16 11:27:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:18,239 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:27:18,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860578511] [2022-11-16 11:27:18,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:27:18,240 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:27:18,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-16 11:27:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:19,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 4209 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-16 11:27:19,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:27:20,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:27:20,744 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-16 11:27:20,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 11:27:20,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:27:20,961 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-16 11:27:20,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-16 11:27:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2022-11-16 11:27:23,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:27:24,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:24,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170129485] [2022-11-16 11:27:24,336 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:27:24,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860578511] [2022-11-16 11:27:24,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860578511] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:27:24,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:27:24,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-11-16 11:27:24,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858943061] [2022-11-16 11:27:24,337 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:27:24,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:27:24,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:24,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:27:24,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=299, Unknown=8, NotChecked=0, Total=380 [2022-11-16 11:27:24,339 INFO L87 Difference]: Start difference. First operand 6173 states and 7394 transitions. Second operand has 13 states, 13 states have (on average 27.923076923076923) internal successors, (363), 10 states have internal predecessors, (363), 5 states have call successors, (97), 4 states have call predecessors, (97), 5 states have return successors, (97), 6 states have call predecessors, (97), 5 states have call successors, (97) [2022-11-16 11:27:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:27:35,287 INFO L93 Difference]: Finished difference Result 14605 states and 17559 transitions. [2022-11-16 11:27:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:27:35,288 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 27.923076923076923) internal successors, (363), 10 states have internal predecessors, (363), 5 states have call successors, (97), 4 states have call predecessors, (97), 5 states have return successors, (97), 6 states have call predecessors, (97), 5 states have call successors, (97) Word has length 866 [2022-11-16 11:27:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:27:35,311 INFO L225 Difference]: With dead ends: 14605 [2022-11-16 11:27:35,311 INFO L226 Difference]: Without dead ends: 11264 [2022-11-16 11:27:35,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1558 GetRequests, 1532 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=550, Unknown=9, NotChecked=0, Total=702 [2022-11-16 11:27:35,320 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 1268 mSDsluCounter, 6811 mSDsCounter, 0 mSdLazyCounter, 6181 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 7504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 6181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 865 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:27:35,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 8742 Invalid, 7504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [458 Valid, 6181 Invalid, 0 Unknown, 865 Unchecked, 7.4s Time] [2022-11-16 11:27:35,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11264 states. [2022-11-16 11:27:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11264 to 9703. [2022-11-16 11:27:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9703 states, 6598 states have (on average 1.1392846317065777) internal successors, (7517), 6808 states have internal predecessors, (7517), 2009 states have call successors, (2009), 1050 states have call predecessors, (2009), 1095 states have return successors, (2144), 1956 states have call predecessors, (2144), 2008 states have call successors, (2144) [2022-11-16 11:27:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9703 states to 9703 states and 11670 transitions. [2022-11-16 11:27:37,507 INFO L78 Accepts]: Start accepts. Automaton has 9703 states and 11670 transitions. Word has length 866 [2022-11-16 11:27:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:27:37,507 INFO L495 AbstractCegarLoop]: Abstraction has 9703 states and 11670 transitions. [2022-11-16 11:27:37,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 27.923076923076923) internal successors, (363), 10 states have internal predecessors, (363), 5 states have call successors, (97), 4 states have call predecessors, (97), 5 states have return successors, (97), 6 states have call predecessors, (97), 5 states have call successors, (97) [2022-11-16 11:27:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 9703 states and 11670 transitions. [2022-11-16 11:27:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2022-11-16 11:27:37,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:27:37,528 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:27:37,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:27:37,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:37,729 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:27:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:27:37,730 INFO L85 PathProgramCache]: Analyzing trace with hash 247472486, now seen corresponding path program 1 times [2022-11-16 11:27:37,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:27:37,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912285600] [2022-11-16 11:27:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:27:37,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:27:37,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493664700] [2022-11-16 11:27:37,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:27:37,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:27:37,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:27:37,812 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:27:37,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-16 11:27:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:27:39,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 4227 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-16 11:27:39,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:27:39,531 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 11:27:39,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 11:27:39,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 11:27:40,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:27:40,663 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-16 11:27:40,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-11-16 11:27:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1554 proven. 287 refuted. 0 times theorem prover too weak. 1937 trivial. 0 not checked. [2022-11-16 11:27:43,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:27:44,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:27:44,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912285600] [2022-11-16 11:27:44,294 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:27:44,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493664700] [2022-11-16 11:27:44,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493664700] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:27:44,294 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:27:44,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2022-11-16 11:27:44,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477598209] [2022-11-16 11:27:44,295 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:27:44,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 11:27:44,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:27:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 11:27:44,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=489, Unknown=13, NotChecked=0, Total=600 [2022-11-16 11:27:44,297 INFO L87 Difference]: Start difference. First operand 9703 states and 11670 transitions. Second operand has 18 states, 18 states have (on average 20.555555555555557) internal successors, (370), 13 states have internal predecessors, (370), 7 states have call successors, (101), 6 states have call predecessors, (101), 7 states have return successors, (100), 8 states have call predecessors, (100), 7 states have call successors, (100) [2022-11-16 11:28:00,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:28:00,483 INFO L93 Difference]: Finished difference Result 18379 states and 22095 transitions. [2022-11-16 11:28:00,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 11:28:00,483 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 20.555555555555557) internal successors, (370), 13 states have internal predecessors, (370), 7 states have call successors, (101), 6 states have call predecessors, (101), 7 states have return successors, (100), 8 states have call predecessors, (100), 7 states have call successors, (100) Word has length 872 [2022-11-16 11:28:00,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:28:00,512 INFO L225 Difference]: With dead ends: 18379 [2022-11-16 11:28:00,513 INFO L226 Difference]: Without dead ends: 14989 [2022-11-16 11:28:00,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1574 GetRequests, 1535 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=243, Invalid=1372, Unknown=25, NotChecked=0, Total=1640 [2022-11-16 11:28:00,523 INFO L413 NwaCegarLoop]: 2155 mSDtfsCounter, 1901 mSDsluCounter, 12573 mSDsCounter, 0 mSdLazyCounter, 8431 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 14728 SdHoareTripleChecker+Invalid, 10892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 8431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2095 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:28:00,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 14728 Invalid, 10892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [366 Valid, 8431 Invalid, 0 Unknown, 2095 Unchecked, 11.3s Time] [2022-11-16 11:28:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14989 states. [2022-11-16 11:28:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14989 to 13475. [2022-11-16 11:28:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13475 states, 9170 states have (on average 1.1419847328244275) internal successors, (10472), 9468 states have internal predecessors, (10472), 2785 states have call successors, (2785), 1451 states have call predecessors, (2785), 1519 states have return successors, (2974), 2714 states have call predecessors, (2974), 2784 states have call successors, (2974) [2022-11-16 11:28:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13475 states to 13475 states and 16231 transitions. [2022-11-16 11:28:03,951 INFO L78 Accepts]: Start accepts. Automaton has 13475 states and 16231 transitions. Word has length 872 [2022-11-16 11:28:03,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:28:03,952 INFO L495 AbstractCegarLoop]: Abstraction has 13475 states and 16231 transitions. [2022-11-16 11:28:03,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 20.555555555555557) internal successors, (370), 13 states have internal predecessors, (370), 7 states have call successors, (101), 6 states have call predecessors, (101), 7 states have return successors, (100), 8 states have call predecessors, (100), 7 states have call successors, (100) [2022-11-16 11:28:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 13475 states and 16231 transitions. [2022-11-16 11:28:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2022-11-16 11:28:03,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:28:03,987 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:04,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:28:04,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2022-11-16 11:28:04,188 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:28:04,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:04,189 INFO L85 PathProgramCache]: Analyzing trace with hash -772495056, now seen corresponding path program 1 times [2022-11-16 11:28:04,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:04,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660764417] [2022-11-16 11:28:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:04,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:04,295 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:28:04,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741544449] [2022-11-16 11:28:04,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:04,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:28:04,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:28:04,298 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:28:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-16 11:28:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:05,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 4288 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 11:28:05,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:28:06,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:28:06,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 11:28:07,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 11:28:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3491 backedges. 1419 proven. 5 refuted. 0 times theorem prover too weak. 2067 trivial. 0 not checked. [2022-11-16 11:28:07,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:28:08,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:08,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660764417] [2022-11-16 11:28:08,132 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:28:08,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741544449] [2022-11-16 11:28:08,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741544449] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:28:08,132 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:28:08,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-11-16 11:28:08,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004344658] [2022-11-16 11:28:08,133 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:28:08,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 11:28:08,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:08,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 11:28:08,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=181, Unknown=10, NotChecked=0, Total=240 [2022-11-16 11:28:08,135 INFO L87 Difference]: Start difference. First operand 13475 states and 16231 transitions. Second operand has 15 states, 15 states have (on average 24.733333333333334) internal successors, (371), 12 states have internal predecessors, (371), 8 states have call successors, (102), 5 states have call predecessors, (102), 6 states have return successors, (101), 7 states have call predecessors, (101), 8 states have call successors, (101) [2022-11-16 11:28:22,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:28:22,760 INFO L93 Difference]: Finished difference Result 28165 states and 33857 transitions. [2022-11-16 11:28:22,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 11:28:22,761 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 24.733333333333334) internal successors, (371), 12 states have internal predecessors, (371), 8 states have call successors, (102), 5 states have call predecessors, (102), 6 states have return successors, (101), 7 states have call predecessors, (101), 8 states have call successors, (101) Word has length 889 [2022-11-16 11:28:22,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:28:22,811 INFO L225 Difference]: With dead ends: 28165 [2022-11-16 11:28:22,811 INFO L226 Difference]: Without dead ends: 23387 [2022-11-16 11:28:22,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1595 GetRequests, 1567 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=594, Unknown=11, NotChecked=0, Total=756 [2022-11-16 11:28:22,824 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 2334 mSDsluCounter, 6856 mSDsCounter, 0 mSdLazyCounter, 7731 mSolverCounterSat, 631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 7867 SdHoareTripleChecker+Invalid, 10596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 7731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2234 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:28:22,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2551 Valid, 7867 Invalid, 10596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [631 Valid, 7731 Invalid, 0 Unknown, 2234 Unchecked, 8.1s Time] [2022-11-16 11:28:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23387 states. [2022-11-16 11:28:27,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23387 to 17994. [2022-11-16 11:28:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17994 states, 12251 states have (on average 1.1430087339808994) internal successors, (14003), 12657 states have internal predecessors, (14003), 3713 states have call successors, (3713), 1931 states have call predecessors, (3713), 2029 states have return successors, (3999), 3613 states have call predecessors, (3999), 3712 states have call successors, (3999) [2022-11-16 11:28:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17994 states to 17994 states and 21715 transitions. [2022-11-16 11:28:27,801 INFO L78 Accepts]: Start accepts. Automaton has 17994 states and 21715 transitions. Word has length 889 [2022-11-16 11:28:27,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:28:27,801 INFO L495 AbstractCegarLoop]: Abstraction has 17994 states and 21715 transitions. [2022-11-16 11:28:27,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 24.733333333333334) internal successors, (371), 12 states have internal predecessors, (371), 8 states have call successors, (102), 5 states have call predecessors, (102), 6 states have return successors, (101), 7 states have call predecessors, (101), 8 states have call successors, (101) [2022-11-16 11:28:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 17994 states and 21715 transitions. [2022-11-16 11:28:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2022-11-16 11:28:27,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:28:27,850 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:27,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:28:28,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:28:28,052 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:28:28,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash 455331029, now seen corresponding path program 1 times [2022-11-16 11:28:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:28,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030470095] [2022-11-16 11:28:28,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:28,154 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:28:28,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753140027] [2022-11-16 11:28:28,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:28,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:28:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:28:28,156 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:28:28,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-16 11:28:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:29,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 4305 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 11:28:29,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:28:30,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 11:28:30,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 11:28:31,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-16 11:28:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3491 backedges. 1419 proven. 5 refuted. 0 times theorem prover too weak. 2067 trivial. 0 not checked. [2022-11-16 11:28:31,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:28:31,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:31,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030470095] [2022-11-16 11:28:31,991 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:28:31,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753140027] [2022-11-16 11:28:31,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753140027] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:28:31,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:28:31,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-11-16 11:28:31,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17751903] [2022-11-16 11:28:31,992 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 11:28:31,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 11:28:31,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:31,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 11:28:31,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=181, Unknown=10, NotChecked=0, Total=240 [2022-11-16 11:28:31,995 INFO L87 Difference]: Start difference. First operand 17994 states and 21715 transitions. Second operand has 15 states, 15 states have (on average 25.0) internal successors, (375), 12 states have internal predecessors, (375), 8 states have call successors, (103), 5 states have call predecessors, (103), 6 states have return successors, (102), 7 states have call predecessors, (102), 8 states have call successors, (102) [2022-11-16 11:28:48,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:28:48,755 INFO L93 Difference]: Finished difference Result 28342 states and 34111 transitions. [2022-11-16 11:28:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 11:28:48,756 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 25.0) internal successors, (375), 12 states have internal predecessors, (375), 8 states have call successors, (103), 5 states have call predecessors, (103), 6 states have return successors, (102), 7 states have call predecessors, (102), 8 states have call successors, (102) Word has length 895 [2022-11-16 11:28:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:28:48,812 INFO L225 Difference]: With dead ends: 28342 [2022-11-16 11:28:48,813 INFO L226 Difference]: Without dead ends: 23385 [2022-11-16 11:28:48,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1595 GetRequests, 1567 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=151, Invalid=594, Unknown=11, NotChecked=0, Total=756 [2022-11-16 11:28:48,827 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 1741 mSDsluCounter, 6613 mSDsCounter, 0 mSdLazyCounter, 8477 mSolverCounterSat, 549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 7620 SdHoareTripleChecker+Invalid, 10831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 549 IncrementalHoareTripleChecker+Valid, 8477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1805 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:28:48,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 7620 Invalid, 10831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [549 Valid, 8477 Invalid, 0 Unknown, 1805 Unchecked, 9.5s Time] [2022-11-16 11:28:48,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23385 states. [2022-11-16 11:28:54,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23385 to 21898. [2022-11-16 11:28:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21898 states, 14921 states have (on average 1.143757120836405) internal successors, (17066), 15419 states have internal predecessors, (17066), 4515 states have call successors, (4515), 2340 states have call predecessors, (4515), 2461 states have return successors, (4865), 4388 states have call predecessors, (4865), 4514 states have call successors, (4865) [2022-11-16 11:28:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21898 states to 21898 states and 26446 transitions. [2022-11-16 11:28:54,812 INFO L78 Accepts]: Start accepts. Automaton has 21898 states and 26446 transitions. Word has length 895 [2022-11-16 11:28:54,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:28:54,813 INFO L495 AbstractCegarLoop]: Abstraction has 21898 states and 26446 transitions. [2022-11-16 11:28:54,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 25.0) internal successors, (375), 12 states have internal predecessors, (375), 8 states have call successors, (103), 5 states have call predecessors, (103), 6 states have return successors, (102), 7 states have call predecessors, (102), 8 states have call successors, (102) [2022-11-16 11:28:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 21898 states and 26446 transitions. [2022-11-16 11:28:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2022-11-16 11:28:54,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:28:54,864 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:28:54,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:28:55,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:28:55,065 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-16 11:28:55,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:28:55,065 INFO L85 PathProgramCache]: Analyzing trace with hash -288722570, now seen corresponding path program 1 times [2022-11-16 11:28:55,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:28:55,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132122738] [2022-11-16 11:28:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:28:55,179 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:28:55,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720955940] [2022-11-16 11:28:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:28:55,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:28:55,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:28:55,181 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:28:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dbf662-6af2-49f1-ab59-eb2ab13e3bcf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-16 11:28:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:28:56,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 4321 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:28:56,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:28:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3493 backedges. 1121 proven. 0 refuted. 0 times theorem prover too weak. 2372 trivial. 0 not checked. [2022-11-16 11:28:56,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:28:56,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:28:56,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132122738] [2022-11-16 11:28:56,635 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:28:56,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720955940] [2022-11-16 11:28:56,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720955940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:28:56,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:28:56,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:28:56,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857312308] [2022-11-16 11:28:56,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:28:56,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:28:56,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:28:56,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:28:56,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:28:56,637 INFO L87 Difference]: Start difference. First operand 21898 states and 26446 transitions. Second operand has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 2 states have call successors, (97), 2 states have call predecessors, (97), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2022-11-16 11:29:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:03,295 INFO L93 Difference]: Finished difference Result 23955 states and 29058 transitions. [2022-11-16 11:29:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:29:03,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 2 states have call successors, (97), 2 states have call predecessors, (97), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 897 [2022-11-16 11:29:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:03,387 INFO L225 Difference]: With dead ends: 23955 [2022-11-16 11:29:03,388 INFO L226 Difference]: Without dead ends: 22596 [2022-11-16 11:29:03,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 900 GetRequests, 895 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:29:03,401 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 850 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:03,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 5244 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:29:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22596 states.