./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d --- 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-5e519f3 [2022-11-03 04:08:11,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:08:11,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:08:11,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:08:11,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:08:11,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:08:11,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:08:11,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:08:11,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:08:11,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:08:11,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:08:11,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:08:11,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:08:11,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:08:11,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:08:11,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:08:11,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:08:11,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:08:11,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:08:11,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:08:11,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:08:11,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:08:11,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:08:11,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:08:11,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:08:11,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:08:11,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:08:11,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:08:11,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:08:11,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:08:11,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:08:11,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:08:11,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:08:11,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:08:11,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:08:11,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:08:11,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:08:11,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:08:11,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:08:11,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:08:11,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:08:11,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:08:12,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:08:12,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:08:12,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:08:12,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:08:12,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:08:12,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:08:12,018 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:08:12,018 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:08:12,018 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:08:12,019 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:08:12,020 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:08:12,020 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:08:12,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:08:12,021 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:08:12,021 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:08:12,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:08:12,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:08:12,022 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:08:12,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:08:12,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:08:12,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:08:12,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:08:12,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:08:12,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:08:12,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:08:12,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:08:12,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:08:12,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:08:12,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:08:12,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:08:12,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:08:12,029 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:08:12,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:08:12,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:08:12,030 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:08:12,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:08:12,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:08:12,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:08:12,031 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_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d [2022-11-03 04:08:12,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:08:12,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:08:12,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:08:12,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:08:12,369 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:08:12,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2022-11-03 04:08:12,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/9ea6c6c1d/78e9db45a4e1496aa935dd8d8868f681/FLAGf3983fb44 [2022-11-03 04:08:13,682 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:08:13,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2022-11-03 04:08:13,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/9ea6c6c1d/78e9db45a4e1496aa935dd8d8868f681/FLAGf3983fb44 [2022-11-03 04:08:13,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/9ea6c6c1d/78e9db45a4e1496aa935dd8d8868f681 [2022-11-03 04:08:13,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:08:13,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:08:13,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:08:13,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:08:13,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:08:13,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:08:13" (1/1) ... [2022-11-03 04:08:13,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d82251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:13, skipping insertion in model container [2022-11-03 04:08:13,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:08:13" (1/1) ... [2022-11-03 04:08:13,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:08:13,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:08:17,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2022-11-03 04:08:17,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2022-11-03 04:08:17,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2022-11-03 04:08:17,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2022-11-03 04:08:17,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2022-11-03 04:08:17,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2022-11-03 04:08:17,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2022-11-03 04:08:17,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2022-11-03 04:08:17,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2022-11-03 04:08:17,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2022-11-03 04:08:17,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2022-11-03 04:08:17,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2022-11-03 04:08:17,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2022-11-03 04:08:17,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2022-11-03 04:08:17,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2022-11-03 04:08:17,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2022-11-03 04:08:17,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2022-11-03 04:08:17,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2022-11-03 04:08:17,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2022-11-03 04:08:17,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2022-11-03 04:08:17,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2022-11-03 04:08:17,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2022-11-03 04:08:17,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2022-11-03 04:08:17,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2022-11-03 04:08:17,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2022-11-03 04:08:17,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2022-11-03 04:08:17,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2022-11-03 04:08:17,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2022-11-03 04:08:17,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2022-11-03 04:08:17,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2022-11-03 04:08:17,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2022-11-03 04:08:17,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2022-11-03 04:08:17,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2022-11-03 04:08:17,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2022-11-03 04:08:17,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2022-11-03 04:08:17,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2022-11-03 04:08:17,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2022-11-03 04:08:17,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2022-11-03 04:08:17,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2022-11-03 04:08:17,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2022-11-03 04:08:17,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2022-11-03 04:08:17,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2022-11-03 04:08:17,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2022-11-03 04:08:17,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2022-11-03 04:08:17,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2022-11-03 04:08:17,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2022-11-03 04:08:17,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2022-11-03 04:08:17,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2022-11-03 04:08:17,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2022-11-03 04:08:17,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2022-11-03 04:08:17,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2022-11-03 04:08:17,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2022-11-03 04:08:17,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2022-11-03 04:08:17,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2022-11-03 04:08:17,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2022-11-03 04:08:17,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2022-11-03 04:08:17,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2022-11-03 04:08:17,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2022-11-03 04:08:17,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2022-11-03 04:08:17,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2022-11-03 04:08:17,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2022-11-03 04:08:17,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2022-11-03 04:08:17,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2022-11-03 04:08:17,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2022-11-03 04:08:17,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2022-11-03 04:08:17,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2022-11-03 04:08:17,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2022-11-03 04:08:17,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2022-11-03 04:08:17,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2022-11-03 04:08:17,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2022-11-03 04:08:17,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2022-11-03 04:08:17,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2022-11-03 04:08:17,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2022-11-03 04:08:17,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2022-11-03 04:08:17,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2022-11-03 04:08:17,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2022-11-03 04:08:17,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2022-11-03 04:08:17,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2022-11-03 04:08:17,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2022-11-03 04:08:17,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2022-11-03 04:08:17,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2022-11-03 04:08:17,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2022-11-03 04:08:17,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2022-11-03 04:08:17,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2022-11-03 04:08:17,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2022-11-03 04:08:17,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2022-11-03 04:08:17,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2022-11-03 04:08:17,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2022-11-03 04:08:17,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:08:18,028 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:08:18,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2022-11-03 04:08:18,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2022-11-03 04:08:18,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2022-11-03 04:08:18,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2022-11-03 04:08:18,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2022-11-03 04:08:18,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2022-11-03 04:08:18,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2022-11-03 04:08:18,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2022-11-03 04:08:18,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2022-11-03 04:08:18,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2022-11-03 04:08:18,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2022-11-03 04:08:18,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2022-11-03 04:08:18,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2022-11-03 04:08:18,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2022-11-03 04:08:18,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2022-11-03 04:08:18,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2022-11-03 04:08:18,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2022-11-03 04:08:18,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2022-11-03 04:08:18,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2022-11-03 04:08:18,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2022-11-03 04:08:18,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2022-11-03 04:08:18,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2022-11-03 04:08:18,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2022-11-03 04:08:18,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2022-11-03 04:08:18,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2022-11-03 04:08:18,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2022-11-03 04:08:18,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2022-11-03 04:08:18,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2022-11-03 04:08:18,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2022-11-03 04:08:18,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2022-11-03 04:08:18,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2022-11-03 04:08:18,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2022-11-03 04:08:18,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2022-11-03 04:08:18,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2022-11-03 04:08:18,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2022-11-03 04:08:18,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2022-11-03 04:08:18,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2022-11-03 04:08:18,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2022-11-03 04:08:18,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2022-11-03 04:08:18,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2022-11-03 04:08:18,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2022-11-03 04:08:18,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2022-11-03 04:08:18,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2022-11-03 04:08:18,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2022-11-03 04:08:18,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2022-11-03 04:08:18,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2022-11-03 04:08:18,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2022-11-03 04:08:18,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2022-11-03 04:08:18,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2022-11-03 04:08:18,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2022-11-03 04:08:18,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2022-11-03 04:08:18,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2022-11-03 04:08:18,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2022-11-03 04:08:18,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2022-11-03 04:08:18,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2022-11-03 04:08:18,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2022-11-03 04:08:18,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2022-11-03 04:08:18,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2022-11-03 04:08:18,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2022-11-03 04:08:18,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2022-11-03 04:08:18,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2022-11-03 04:08:18,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2022-11-03 04:08:18,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2022-11-03 04:08:18,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2022-11-03 04:08:18,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2022-11-03 04:08:18,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2022-11-03 04:08:18,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2022-11-03 04:08:18,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2022-11-03 04:08:18,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2022-11-03 04:08:18,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2022-11-03 04:08:18,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2022-11-03 04:08:18,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2022-11-03 04:08:18,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2022-11-03 04:08:18,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2022-11-03 04:08:18,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2022-11-03 04:08:18,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2022-11-03 04:08:18,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2022-11-03 04:08:18,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2022-11-03 04:08:18,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2022-11-03 04:08:18,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2022-11-03 04:08:18,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2022-11-03 04:08:18,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2022-11-03 04:08:18,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2022-11-03 04:08:18,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2022-11-03 04:08:18,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2022-11-03 04:08:18,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2022-11-03 04:08:18,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2022-11-03 04:08:18,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2022-11-03 04:08:18,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:08:18,836 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:08:18,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18 WrapperNode [2022-11-03 04:08:18,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:08:18,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:08:18,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:08:18,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:08:18,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:18,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,202 INFO L138 Inliner]: procedures = 553, calls = 2286, calls flagged for inlining = 242, calls inlined = 154, statements flattened = 4412 [2022-11-03 04:08:19,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:08:19,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:08:19,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:08:19,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:08:19,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,473 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:08:19,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:08:19,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:08:19,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:08:19,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (1/1) ... [2022-11-03 04:08:19,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:08:19,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:08:19,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:08:19,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:08:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 04:08:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 04:08:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:08:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:08:19,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:08:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:08:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 04:08:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 04:08:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-11-03 04:08:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-11-03 04:08:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 04:08:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 04:08:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2022-11-03 04:08:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2022-11-03 04:08:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 04:08:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 04:08:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 04:08:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 04:08:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 04:08:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 04:08:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 04:08:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 04:08:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 04:08:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure tda1004x_writereg [2022-11-03 04:08:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tda1004x_writereg [2022-11-03 04:08:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:08:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 04:08:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 04:08:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:08:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 04:08:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 04:08:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 04:08:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 04:08:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:08:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 04:08:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 04:08:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 04:08:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 04:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 04:08:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 04:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 04:08:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 04:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2022-11-03 04:08:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2022-11-03 04:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:08:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 04:08:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 04:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:08:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_iso_xfer [2022-11-03 04:08:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_iso_xfer [2022-11-03 04:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 04:08:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 04:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 04:08:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 04:08:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_cmd [2022-11-03 04:08:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_cmd [2022-11-03 04:08:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:08:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:08:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 04:08:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 04:08:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:08:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:08:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:08:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-03 04:08:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-03 04:08:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 04:08:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 04:08:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-03 04:08:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-03 04:08:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-11-03 04:08:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-11-03 04:08:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_free_iso_urbs [2022-11-03 04:08:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_free_iso_urbs [2022-11-03 04:08:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:08:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:08:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 04:08:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 04:08:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:08:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2022-11-03 04:08:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2022-11-03 04:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:08:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 04:08:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 04:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 04:08:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 04:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 04:08:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 04:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semusb_of_ttusb [2022-11-03 04:08:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semusb_of_ttusb [2022-11-03 04:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 04:08:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 04:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 04:08:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 04:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 04:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 04:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-03 04:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-03 04:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 04:08:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 04:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-03 04:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-03 04:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure master_xfer [2022-11-03 04:08:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure master_xfer [2022-11-03 04:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-03 04:08:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-03 04:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 04:08:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 04:08:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 04:08:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 04:08:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 04:08:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 04:08:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-11-03 04:08:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-11-03 04:08:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 04:08:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 04:08:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 04:08:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 04:08:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:08:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:08:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 04:08:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 04:08:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:08:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 04:08:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 04:08:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semi2c_of_ttusb [2022-11-03 04:08:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semi2c_of_ttusb [2022-11-03 04:08:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-03 04:08:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-03 04:08:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:08:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:08:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 04:08:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 04:08:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_semi2c_of_ttusb [2022-11-03 04:08:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_semi2c_of_ttusb [2022-11-03 04:08:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_disconnect [2022-11-03 04:08:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_disconnect [2022-11-03 04:08:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-11-03 04:08:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-11-03 04:08:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 04:08:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 04:08:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 04:08:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 04:08:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2022-11-03 04:08:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2022-11-03 04:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_result [2022-11-03 04:08:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_result [2022-11-03 04:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:08:20,809 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:08:20,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:08:21,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:08:32,557 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:08:33,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:08:33,326 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 04:08:33,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:33 BoogieIcfgContainer [2022-11-03 04:08:33,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:08:33,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:08:33,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:08:33,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:08:33,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:08:13" (1/3) ... [2022-11-03 04:08:33,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62887a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:33, skipping insertion in model container [2022-11-03 04:08:33,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:18" (2/3) ... [2022-11-03 04:08:33,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62887a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:33, skipping insertion in model container [2022-11-03 04:08:33,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:33" (3/3) ... [2022-11-03 04:08:33,346 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2022-11-03 04:08:33,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:08:33,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-03 04:08:33,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:08:33,493 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15194ad2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:08:33,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 04:08:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 920 states, 566 states have (on average 1.4063604240282686) internal successors, (796), 613 states have internal predecessors, (796), 255 states have call successors, (255), 71 states have call predecessors, (255), 70 states have return successors, (251), 250 states have call predecessors, (251), 251 states have call successors, (251) [2022-11-03 04:08:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 04:08:33,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:33,520 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:33,520 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 26 more)] === [2022-11-03 04:08:33,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:33,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1606238107, now seen corresponding path program 1 times [2022-11-03 04:08:33,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:33,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061786359] [2022-11-03 04:08:33,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:33,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:08:34,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:34,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061786359] [2022-11-03 04:08:34,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061786359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:34,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:34,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:34,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251315645] [2022-11-03 04:08:34,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:34,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:34,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:34,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:34,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:34,941 INFO L87 Difference]: Start difference. First operand has 920 states, 566 states have (on average 1.4063604240282686) internal successors, (796), 613 states have internal predecessors, (796), 255 states have call successors, (255), 71 states have call predecessors, (255), 70 states have return successors, (251), 250 states have call predecessors, (251), 251 states have call successors, (251) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:08:36,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:39,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:41,059 INFO L93 Difference]: Finished difference Result 1808 states and 2652 transitions. [2022-11-03 04:08:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:41,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 51 [2022-11-03 04:08:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:41,095 INFO L225 Difference]: With dead ends: 1808 [2022-11-03 04:08:41,101 INFO L226 Difference]: Without dead ends: 912 [2022-11-03 04:08:41,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:41,122 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 1238 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:41,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 2223 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-03 04:08:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-11-03 04:08:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 910. [2022-11-03 04:08:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 561 states have (on average 1.3475935828877006) internal successors, (756), 604 states have internal predecessors, (756), 251 states have call successors, (251), 72 states have call predecessors, (251), 71 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:08:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1256 transitions. [2022-11-03 04:08:41,303 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1256 transitions. Word has length 51 [2022-11-03 04:08:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:41,304 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1256 transitions. [2022-11-03 04:08:41,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:08:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1256 transitions. [2022-11-03 04:08:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 04:08:41,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:41,308 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:41,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:08:41,309 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 26 more)] === [2022-11-03 04:08:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:41,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1864828090, now seen corresponding path program 1 times [2022-11-03 04:08:41,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:41,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588786513] [2022-11-03 04:08:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:41,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:08:42,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:42,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588786513] [2022-11-03 04:08:42,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588786513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:42,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:42,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:42,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449104131] [2022-11-03 04:08:42,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:42,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:42,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:42,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:42,153 INFO L87 Difference]: Start difference. First operand 910 states and 1256 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:08:44,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:47,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:48,733 INFO L93 Difference]: Finished difference Result 912 states and 1261 transitions. [2022-11-03 04:08:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:48,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2022-11-03 04:08:48,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:48,742 INFO L225 Difference]: With dead ends: 912 [2022-11-03 04:08:48,742 INFO L226 Difference]: Without dead ends: 910 [2022-11-03 04:08:48,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:48,744 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 1220 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:48,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 2191 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 04:08:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-11-03 04:08:48,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 908. [2022-11-03 04:08:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 560 states have (on average 1.3464285714285715) internal successors, (754), 602 states have internal predecessors, (754), 251 states have call successors, (251), 72 states have call predecessors, (251), 71 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:08:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1254 transitions. [2022-11-03 04:08:48,818 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1254 transitions. Word has length 56 [2022-11-03 04:08:48,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:48,819 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1254 transitions. [2022-11-03 04:08:48,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:08:48,819 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1254 transitions. [2022-11-03 04:08:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 04:08:48,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:48,822 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:48,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:08:48,822 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 26 more)] === [2022-11-03 04:08:48,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1396346316, now seen corresponding path program 1 times [2022-11-03 04:08:48,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:48,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405079304] [2022-11-03 04:08:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:48,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:08:49,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:49,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405079304] [2022-11-03 04:08:49,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405079304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:49,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:49,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:49,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666416253] [2022-11-03 04:08:49,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:49,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:49,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:49,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:49,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:49,512 INFO L87 Difference]: Start difference. First operand 908 states and 1254 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:08:52,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:55,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:56,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:56,807 INFO L93 Difference]: Finished difference Result 910 states and 1259 transitions. [2022-11-03 04:08:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:08:56,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2022-11-03 04:08:56,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:56,816 INFO L225 Difference]: With dead ends: 910 [2022-11-03 04:08:56,817 INFO L226 Difference]: Without dead ends: 908 [2022-11-03 04:08:56,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:56,819 INFO L413 NwaCegarLoop]: 1090 mSDtfsCounter, 1217 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 2187 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:56,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 2187 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-03 04:08:56,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2022-11-03 04:08:56,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 906. [2022-11-03 04:08:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 559 states have (on average 1.3452593917710196) internal successors, (752), 600 states have internal predecessors, (752), 251 states have call successors, (251), 72 states have call predecessors, (251), 71 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:08:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1252 transitions. [2022-11-03 04:08:56,917 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1252 transitions. Word has length 61 [2022-11-03 04:08:56,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:56,918 INFO L495 AbstractCegarLoop]: Abstraction has 906 states and 1252 transitions. [2022-11-03 04:08:56,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 04:08:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1252 transitions. [2022-11-03 04:08:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-03 04:08:56,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:56,921 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:08:56,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:08:56,922 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 26 more)] === [2022-11-03 04:08:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash -338710, now seen corresponding path program 1 times [2022-11-03 04:08:56,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:56,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479984770] [2022-11-03 04:08:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:08:57,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:57,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479984770] [2022-11-03 04:08:57,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479984770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:57,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:57,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:08:57,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679798981] [2022-11-03 04:08:57,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:57,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:08:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:57,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:08:57,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:08:57,567 INFO L87 Difference]: Start difference. First operand 906 states and 1252 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 04:09:00,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:02,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:04,053 INFO L93 Difference]: Finished difference Result 913 states and 1260 transitions. [2022-11-03 04:09:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:04,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2022-11-03 04:09:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:04,062 INFO L225 Difference]: With dead ends: 913 [2022-11-03 04:09:04,062 INFO L226 Difference]: Without dead ends: 911 [2022-11-03 04:09:04,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:04,071 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 1205 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:04,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 2191 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 04:09:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2022-11-03 04:09:04,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 908. [2022-11-03 04:09:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 560 states have (on average 1.3428571428571427) internal successors, (752), 600 states have internal predecessors, (752), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:09:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1252 transitions. [2022-11-03 04:09:04,211 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1252 transitions. Word has length 66 [2022-11-03 04:09:04,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:04,213 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1252 transitions. [2022-11-03 04:09:04,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 04:09:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1252 transitions. [2022-11-03 04:09:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-03 04:09:04,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:04,218 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:04,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:09:04,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:09:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:04,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1049814281, now seen corresponding path program 1 times [2022-11-03 04:09:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:04,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233092553] [2022-11-03 04:09:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:09:04,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:04,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233092553] [2022-11-03 04:09:04,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233092553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:04,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:04,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:04,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988227699] [2022-11-03 04:09:04,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:04,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:04,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:04,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:04,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:04,829 INFO L87 Difference]: Start difference. First operand 908 states and 1252 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 04:09:07,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:09,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:11,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:11,214 INFO L93 Difference]: Finished difference Result 908 states and 1252 transitions. [2022-11-03 04:09:11,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:11,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2022-11-03 04:09:11,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:11,221 INFO L225 Difference]: With dead ends: 908 [2022-11-03 04:09:11,221 INFO L226 Difference]: Without dead ends: 906 [2022-11-03 04:09:11,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:11,223 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 1220 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:11,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 2172 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 315 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 04:09:11,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2022-11-03 04:09:11,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 906. [2022-11-03 04:09:11,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 559 states have (on average 1.3416815742397137) internal successors, (750), 598 states have internal predecessors, (750), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:09:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1250 transitions. [2022-11-03 04:09:11,302 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1250 transitions. Word has length 71 [2022-11-03 04:09:11,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:11,303 INFO L495 AbstractCegarLoop]: Abstraction has 906 states and 1250 transitions. [2022-11-03 04:09:11,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 04:09:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1250 transitions. [2022-11-03 04:09:11,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-03 04:09:11,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:11,305 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:11,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:09:11,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:09:11,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash 405851688, now seen corresponding path program 1 times [2022-11-03 04:09:11,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:11,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645118139] [2022-11-03 04:09:11,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:09:11,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:11,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645118139] [2022-11-03 04:09:11,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645118139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:11,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:11,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:11,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446233165] [2022-11-03 04:09:11,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:11,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:11,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:11,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:11,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:11,924 INFO L87 Difference]: Start difference. First operand 906 states and 1250 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:09:15,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:16,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:16,738 INFO L93 Difference]: Finished difference Result 909 states and 1256 transitions. [2022-11-03 04:09:16,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:16,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 76 [2022-11-03 04:09:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:16,745 INFO L225 Difference]: With dead ends: 909 [2022-11-03 04:09:16,745 INFO L226 Difference]: Without dead ends: 907 [2022-11-03 04:09:16,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:16,747 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 1208 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:16,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 2176 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-03 04:09:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2022-11-03 04:09:16,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 904. [2022-11-03 04:09:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 558 states have (on average 1.3405017921146953) internal successors, (748), 596 states have internal predecessors, (748), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:09:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1248 transitions. [2022-11-03 04:09:16,831 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1248 transitions. Word has length 76 [2022-11-03 04:09:16,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:16,831 INFO L495 AbstractCegarLoop]: Abstraction has 904 states and 1248 transitions. [2022-11-03 04:09:16,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:09:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1248 transitions. [2022-11-03 04:09:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 04:09:16,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:16,834 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:16,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:09:16,834 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__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 26 more)] === [2022-11-03 04:09:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:16,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1052943985, now seen corresponding path program 1 times [2022-11-03 04:09:16,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:16,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72852378] [2022-11-03 04:09:16,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-03 04:09:18,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:18,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72852378] [2022-11-03 04:09:18,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72852378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:18,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:18,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:09:18,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953523482] [2022-11-03 04:09:18,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:18,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:09:18,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:18,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:09:18,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:18,058 INFO L87 Difference]: Start difference. First operand 904 states and 1248 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:09:21,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:24,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:26,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:28,688 INFO L93 Difference]: Finished difference Result 1456 states and 1983 transitions. [2022-11-03 04:09:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:09:28,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 86 [2022-11-03 04:09:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:28,699 INFO L225 Difference]: With dead ends: 1456 [2022-11-03 04:09:28,699 INFO L226 Difference]: Without dead ends: 1454 [2022-11-03 04:09:28,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:09:28,701 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 1044 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:28,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4678 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 648 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-11-03 04:09:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2022-11-03 04:09:28,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1289. [2022-11-03 04:09:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 808 states have (on average 1.3477722772277227) internal successors, (1089), 847 states have internal predecessors, (1089), 344 states have call successors, (344), 116 states have call predecessors, (344), 115 states have return successors, (370), 341 states have call predecessors, (370), 342 states have call successors, (370) [2022-11-03 04:09:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1803 transitions. [2022-11-03 04:09:28,823 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1803 transitions. Word has length 86 [2022-11-03 04:09:28,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:28,824 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1803 transitions. [2022-11-03 04:09:28,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:09:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1803 transitions. [2022-11-03 04:09:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-03 04:09:28,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:28,826 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:28,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:09:28,826 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 26 more)] === [2022-11-03 04:09:28,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:28,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1028692, now seen corresponding path program 1 times [2022-11-03 04:09:28,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:28,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778998791] [2022-11-03 04:09:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:09:29,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:29,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778998791] [2022-11-03 04:09:29,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778998791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:29,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:29,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:29,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249147576] [2022-11-03 04:09:29,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:29,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:29,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:29,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:29,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:29,402 INFO L87 Difference]: Start difference. First operand 1289 states and 1803 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:09:32,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:34,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:35,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:35,529 INFO L93 Difference]: Finished difference Result 1301 states and 1819 transitions. [2022-11-03 04:09:35,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:35,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 81 [2022-11-03 04:09:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:35,538 INFO L225 Difference]: With dead ends: 1301 [2022-11-03 04:09:35,538 INFO L226 Difference]: Without dead ends: 1299 [2022-11-03 04:09:35,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:35,540 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 1196 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:35,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 2178 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-11-03 04:09:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-11-03 04:09:35,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1297. [2022-11-03 04:09:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 812 states have (on average 1.3448275862068966) internal successors, (1092), 851 states have internal predecessors, (1092), 344 states have call successors, (344), 120 states have call predecessors, (344), 120 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2022-11-03 04:09:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1810 transitions. [2022-11-03 04:09:35,653 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1810 transitions. Word has length 81 [2022-11-03 04:09:35,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:35,654 INFO L495 AbstractCegarLoop]: Abstraction has 1297 states and 1810 transitions. [2022-11-03 04:09:35,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:09:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1810 transitions. [2022-11-03 04:09:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 04:09:35,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:35,656 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:35,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 04:09:35,656 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 26 more)] === [2022-11-03 04:09:35,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:35,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1682402554, now seen corresponding path program 1 times [2022-11-03 04:09:35,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:35,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721576697] [2022-11-03 04:09:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:35,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:09:36,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:36,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721576697] [2022-11-03 04:09:36,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721576697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:36,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:36,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:36,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406197254] [2022-11-03 04:09:36,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:36,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:36,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:36,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:36,155 INFO L87 Difference]: Start difference. First operand 1297 states and 1810 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:09:38,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:40,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:42,541 INFO L93 Difference]: Finished difference Result 1299 states and 1817 transitions. [2022-11-03 04:09:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:42,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 86 [2022-11-03 04:09:42,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:42,552 INFO L225 Difference]: With dead ends: 1299 [2022-11-03 04:09:42,552 INFO L226 Difference]: Without dead ends: 1297 [2022-11-03 04:09:42,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:42,554 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 1197 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 2170 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:42,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 2170 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 04:09:42,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2022-11-03 04:09:42,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1295. [2022-11-03 04:09:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 811 states have (on average 1.3440197287299631) internal successors, (1090), 849 states have internal predecessors, (1090), 344 states have call successors, (344), 120 states have call predecessors, (344), 120 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2022-11-03 04:09:42,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1808 transitions. [2022-11-03 04:09:42,696 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1808 transitions. Word has length 86 [2022-11-03 04:09:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:42,697 INFO L495 AbstractCegarLoop]: Abstraction has 1295 states and 1808 transitions. [2022-11-03 04:09:42,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:09:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1808 transitions. [2022-11-03 04:09:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 04:09:42,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:42,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:42,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 04:09:42,700 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 26 more)] === [2022-11-03 04:09:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1880995191, now seen corresponding path program 1 times [2022-11-03 04:09:42,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:42,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841876983] [2022-11-03 04:09:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:09:43,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:43,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841876983] [2022-11-03 04:09:43,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841876983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:43,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:43,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:09:43,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903139554] [2022-11-03 04:09:43,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:43,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:09:43,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:43,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:09:43,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:09:43,332 INFO L87 Difference]: Start difference. First operand 1295 states and 1808 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:09:46,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:47,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:47,749 INFO L93 Difference]: Finished difference Result 1295 states and 1808 transitions. [2022-11-03 04:09:47,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:09:47,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2022-11-03 04:09:47,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:47,758 INFO L225 Difference]: With dead ends: 1295 [2022-11-03 04:09:47,759 INFO L226 Difference]: Without dead ends: 1293 [2022-11-03 04:09:47,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:09:47,761 INFO L413 NwaCegarLoop]: 1078 mSDtfsCounter, 1207 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:47,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 2156 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 04:09:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2022-11-03 04:09:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1293. [2022-11-03 04:09:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 810 states have (on average 1.34320987654321) internal successors, (1088), 847 states have internal predecessors, (1088), 344 states have call successors, (344), 120 states have call predecessors, (344), 120 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2022-11-03 04:09:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1806 transitions. [2022-11-03 04:09:47,903 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1806 transitions. Word has length 88 [2022-11-03 04:09:47,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:47,903 INFO L495 AbstractCegarLoop]: Abstraction has 1293 states and 1806 transitions. [2022-11-03 04:09:47,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 04:09:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1806 transitions. [2022-11-03 04:09:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 04:09:47,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:47,906 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:09:47,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 04:09:47,907 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__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 26 more)] === [2022-11-03 04:09:47,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:47,908 INFO L85 PathProgramCache]: Analyzing trace with hash -387040503, now seen corresponding path program 1 times [2022-11-03 04:09:47,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:47,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524661690] [2022-11-03 04:09:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:47,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 04:09:48,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:48,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524661690] [2022-11-03 04:09:48,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524661690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:48,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:48,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:09:48,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052898304] [2022-11-03 04:09:48,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:48,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:09:48,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:48,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:09:48,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:09:48,635 INFO L87 Difference]: Start difference. First operand 1293 states and 1806 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 5 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:09:51,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:54,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:57,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:57,428 INFO L93 Difference]: Finished difference Result 2272 states and 3178 transitions. [2022-11-03 04:09:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:09:57,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 5 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 100 [2022-11-03 04:09:57,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:57,441 INFO L225 Difference]: With dead ends: 2272 [2022-11-03 04:09:57,441 INFO L226 Difference]: Without dead ends: 1351 [2022-11-03 04:09:57,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:09:57,447 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 106 mSDsluCounter, 4963 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 5429 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:57,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 5429 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 814 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 04:09:57,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2022-11-03 04:09:57,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1332. [2022-11-03 04:09:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 836 states have (on average 1.3444976076555024) internal successors, (1124), 876 states have internal predecessors, (1124), 353 states have call successors, (353), 122 states have call predecessors, (353), 124 states have return successors, (399), 349 states have call predecessors, (399), 351 states have call successors, (399) [2022-11-03 04:09:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1876 transitions. [2022-11-03 04:09:57,644 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1876 transitions. Word has length 100 [2022-11-03 04:09:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:57,645 INFO L495 AbstractCegarLoop]: Abstraction has 1332 states and 1876 transitions. [2022-11-03 04:09:57,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 5 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:09:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1876 transitions. [2022-11-03 04:09:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 04:09:57,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:57,648 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:09:57,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 04:09:57,648 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:09:57,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:57,649 INFO L85 PathProgramCache]: Analyzing trace with hash -717229716, now seen corresponding path program 1 times [2022-11-03 04:09:57,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:57,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419331092] [2022-11-03 04:09:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-03 04:09:58,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:58,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419331092] [2022-11-03 04:09:58,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419331092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:09:58,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:09:58,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:09:58,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657864987] [2022-11-03 04:09:58,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:09:58,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:09:58,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:09:58,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:09:58,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:09:58,047 INFO L87 Difference]: Start difference. First operand 1332 states and 1876 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 04:10:00,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:02,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:03,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:03,709 INFO L93 Difference]: Finished difference Result 2327 states and 3254 transitions. [2022-11-03 04:10:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:10:03,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2022-11-03 04:10:03,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:03,719 INFO L225 Difference]: With dead ends: 2327 [2022-11-03 04:10:03,719 INFO L226 Difference]: Without dead ends: 1331 [2022-11-03 04:10:03,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:10:03,726 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 1208 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:03,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 1089 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 04:10:03,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-03 04:10:03,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1328. [2022-11-03 04:10:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 833 states have (on average 1.3433373349339737) internal successors, (1119), 872 states have internal predecessors, (1119), 353 states have call successors, (353), 122 states have call predecessors, (353), 124 states have return successors, (399), 349 states have call predecessors, (399), 351 states have call successors, (399) [2022-11-03 04:10:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1871 transitions. [2022-11-03 04:10:03,865 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1871 transitions. Word has length 120 [2022-11-03 04:10:03,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:03,865 INFO L495 AbstractCegarLoop]: Abstraction has 1328 states and 1871 transitions. [2022-11-03 04:10:03,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 04:10:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1871 transitions. [2022-11-03 04:10:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 04:10:03,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:03,868 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:03,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 04:10:03,868 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 26 more)] === [2022-11-03 04:10:03,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:03,869 INFO L85 PathProgramCache]: Analyzing trace with hash -795693139, now seen corresponding path program 1 times [2022-11-03 04:10:03,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:03,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643861334] [2022-11-03 04:10:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:03,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:10:04,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643861334] [2022-11-03 04:10:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643861334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:04,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:04,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:10:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965588650] [2022-11-03 04:10:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:04,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:10:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:04,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:10:04,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:10:04,342 INFO L87 Difference]: Start difference. First operand 1328 states and 1871 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:10:07,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:09,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:10,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:10,941 INFO L93 Difference]: Finished difference Result 1330 states and 1878 transitions. [2022-11-03 04:10:10,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:10:10,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2022-11-03 04:10:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:10,950 INFO L225 Difference]: With dead ends: 1330 [2022-11-03 04:10:10,950 INFO L226 Difference]: Without dead ends: 1328 [2022-11-03 04:10:10,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:10:10,952 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 1192 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:10,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 2149 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 04:10:10,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2022-11-03 04:10:11,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1326. [2022-11-03 04:10:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 832 states have (on average 1.3425480769230769) internal successors, (1117), 870 states have internal predecessors, (1117), 353 states have call successors, (353), 122 states have call predecessors, (353), 124 states have return successors, (399), 349 states have call predecessors, (399), 351 states have call successors, (399) [2022-11-03 04:10:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1869 transitions. [2022-11-03 04:10:11,102 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1869 transitions. Word has length 93 [2022-11-03 04:10:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:11,103 INFO L495 AbstractCegarLoop]: Abstraction has 1326 states and 1869 transitions. [2022-11-03 04:10:11,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 04:10:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1869 transitions. [2022-11-03 04:10:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 04:10:11,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:11,105 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:11,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 04:10:11,106 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__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 26 more)] === [2022-11-03 04:10:11,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:11,106 INFO L85 PathProgramCache]: Analyzing trace with hash 555652700, now seen corresponding path program 1 times [2022-11-03 04:10:11,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:11,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947269524] [2022-11-03 04:10:11,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:11,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:12,455 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 04:10:12,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:12,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947269524] [2022-11-03 04:10:12,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947269524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:12,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:12,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:10:12,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527664395] [2022-11-03 04:10:12,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:12,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:10:12,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:10:12,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:10:12,457 INFO L87 Difference]: Start difference. First operand 1326 states and 1869 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-03 04:10:15,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:17,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:20,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:22,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:24,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:27,018 INFO L93 Difference]: Finished difference Result 1429 states and 1985 transitions. [2022-11-03 04:10:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:10:27,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 103 [2022-11-03 04:10:27,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:27,027 INFO L225 Difference]: With dead ends: 1429 [2022-11-03 04:10:27,027 INFO L226 Difference]: Without dead ends: 1427 [2022-11-03 04:10:27,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:10:27,029 INFO L413 NwaCegarLoop]: 1137 mSDtfsCounter, 506 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 118 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 4340 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:27,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 4340 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 668 Invalid, 5 Unknown, 0 Unchecked, 14.3s Time] [2022-11-03 04:10:27,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-11-03 04:10:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1417. [2022-11-03 04:10:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 892 states have (on average 1.3385650224215246) internal successors, (1194), 930 states have internal predecessors, (1194), 369 states have call successors, (369), 137 states have call predecessors, (369), 139 states have return successors, (415), 365 states have call predecessors, (415), 367 states have call successors, (415) [2022-11-03 04:10:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1978 transitions. [2022-11-03 04:10:27,200 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1978 transitions. Word has length 103 [2022-11-03 04:10:27,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:27,201 INFO L495 AbstractCegarLoop]: Abstraction has 1417 states and 1978 transitions. [2022-11-03 04:10:27,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-03 04:10:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1978 transitions. [2022-11-03 04:10:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 04:10:27,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:27,204 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-03 04:10:27,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 04:10:27,205 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__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 26 more)] === [2022-11-03 04:10:27,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:27,205 INFO L85 PathProgramCache]: Analyzing trace with hash -2111885370, now seen corresponding path program 1 times [2022-11-03 04:10:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:27,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130577853] [2022-11-03 04:10:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 04:10:28,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:28,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130577853] [2022-11-03 04:10:28,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130577853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:28,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:28,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:10:28,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556786081] [2022-11-03 04:10:28,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:28,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:10:28,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:28,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:10:28,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:10:28,339 INFO L87 Difference]: Start difference. First operand 1417 states and 1978 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:10:31,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:34,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:36,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:40,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:40,445 INFO L93 Difference]: Finished difference Result 2564 states and 3676 transitions. [2022-11-03 04:10:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:10:40,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 103 [2022-11-03 04:10:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:40,462 INFO L225 Difference]: With dead ends: 2564 [2022-11-03 04:10:40,462 INFO L226 Difference]: Without dead ends: 2562 [2022-11-03 04:10:40,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:10:40,465 INFO L413 NwaCegarLoop]: 1584 mSDtfsCounter, 1180 mSDsluCounter, 4643 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 5694 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:40,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 5694 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 747 Invalid, 3 Unknown, 0 Unchecked, 11.7s Time] [2022-11-03 04:10:40,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2022-11-03 04:10:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2392. [2022-11-03 04:10:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 1527 states have (on average 1.35297969875573) internal successors, (2066), 1590 states have internal predecessors, (2066), 617 states have call successors, (617), 227 states have call predecessors, (617), 231 states have return successors, (805), 604 states have call predecessors, (805), 615 states have call successors, (805) [2022-11-03 04:10:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3488 transitions. [2022-11-03 04:10:40,749 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3488 transitions. Word has length 103 [2022-11-03 04:10:40,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:40,750 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 3488 transitions. [2022-11-03 04:10:40,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:10:40,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3488 transitions. [2022-11-03 04:10:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-03 04:10:40,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:40,755 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:10:40,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 04:10:40,755 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:10:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:40,756 INFO L85 PathProgramCache]: Analyzing trace with hash -442000447, now seen corresponding path program 1 times [2022-11-03 04:10:40,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:40,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291109748] [2022-11-03 04:10:40,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-03 04:10:41,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:41,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291109748] [2022-11-03 04:10:41,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291109748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:41,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:41,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:10:41,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752479414] [2022-11-03 04:10:41,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:41,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:10:41,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:41,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:10:41,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:10:41,860 INFO L87 Difference]: Start difference. First operand 2392 states and 3488 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:10:46,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:48,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:52,062 INFO L93 Difference]: Finished difference Result 2392 states and 3488 transitions. [2022-11-03 04:10:52,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:10:52,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2022-11-03 04:10:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:52,076 INFO L225 Difference]: With dead ends: 2392 [2022-11-03 04:10:52,077 INFO L226 Difference]: Without dead ends: 2390 [2022-11-03 04:10:52,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 04:10:52,080 INFO L413 NwaCegarLoop]: 1070 mSDtfsCounter, 1196 mSDsluCounter, 3175 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:52,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 3779 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1130 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 04:10:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2390 states. [2022-11-03 04:10:52,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2390 to 2390. [2022-11-03 04:10:52,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2390 states, 1526 states have (on average 1.3499344692005242) internal successors, (2060), 1588 states have internal predecessors, (2060), 617 states have call successors, (617), 227 states have call predecessors, (617), 231 states have return successors, (805), 604 states have call predecessors, (805), 615 states have call successors, (805) [2022-11-03 04:10:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 3482 transitions. [2022-11-03 04:10:52,387 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 3482 transitions. Word has length 126 [2022-11-03 04:10:52,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:52,387 INFO L495 AbstractCegarLoop]: Abstraction has 2390 states and 3482 transitions. [2022-11-03 04:10:52,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:10:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 3482 transitions. [2022-11-03 04:10:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-03 04:10:52,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:52,390 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:10:52,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 04:10:52,391 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:10:52,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:52,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1196040269, now seen corresponding path program 1 times [2022-11-03 04:10:52,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:52,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914901381] [2022-11-03 04:10:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-11-03 04:10:52,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:52,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914901381] [2022-11-03 04:10:52,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914901381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:10:52,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903485172] [2022-11-03 04:10:52,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:52,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:10:52,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:10:52,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:10:52,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:10:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:53,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:10:53,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:10:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-03 04:10:53,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:10:53,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903485172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:53,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:10:53,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 04:10:53,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416477788] [2022-11-03 04:10:53,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:53,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:10:53,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:53,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:10:53,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:10:53,942 INFO L87 Difference]: Start difference. First operand 2390 states and 3482 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:10:56,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:57,502 INFO L93 Difference]: Finished difference Result 4208 states and 6099 transitions. [2022-11-03 04:10:57,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:10:57,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 125 [2022-11-03 04:10:57,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:57,519 INFO L225 Difference]: With dead ends: 4208 [2022-11-03 04:10:57,520 INFO L226 Difference]: Without dead ends: 2408 [2022-11-03 04:10:57,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 04:10:57,530 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 1166 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:57,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1134 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 04:10:57,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2022-11-03 04:10:57,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2406. [2022-11-03 04:10:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 1532 states have (on average 1.345953002610966) internal successors, (2062), 1595 states have internal predecessors, (2062), 621 states have call successors, (621), 233 states have call predecessors, (621), 238 states have return successors, (817), 607 states have call predecessors, (817), 619 states have call successors, (817) [2022-11-03 04:10:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3500 transitions. [2022-11-03 04:10:57,906 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3500 transitions. Word has length 125 [2022-11-03 04:10:57,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:57,907 INFO L495 AbstractCegarLoop]: Abstraction has 2406 states and 3500 transitions. [2022-11-03 04:10:57,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:10:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3500 transitions. [2022-11-03 04:10:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 04:10:57,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:57,909 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:57,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:10:58,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:10:58,126 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 26 more)] === [2022-11-03 04:10:58,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash -508090287, now seen corresponding path program 1 times [2022-11-03 04:10:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:58,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284813244] [2022-11-03 04:10:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:58,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:10:58,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:58,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284813244] [2022-11-03 04:10:58,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284813244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:58,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:58,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:10:58,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306603832] [2022-11-03 04:10:58,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:58,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:10:58,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:58,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:10:58,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:10:58,545 INFO L87 Difference]: Start difference. First operand 2406 states and 3500 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:11:01,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:03,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:05,074 INFO L93 Difference]: Finished difference Result 2410 states and 3506 transitions. [2022-11-03 04:11:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:11:05,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2022-11-03 04:11:05,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:05,085 INFO L225 Difference]: With dead ends: 2410 [2022-11-03 04:11:05,085 INFO L226 Difference]: Without dead ends: 2408 [2022-11-03 04:11:05,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:11:05,087 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1173 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:05,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 2138 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 04:11:05,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2022-11-03 04:11:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2408. [2022-11-03 04:11:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2408 states, 1533 states have (on average 1.345075016307893) internal successors, (2062), 1597 states have internal predecessors, (2062), 621 states have call successors, (621), 233 states have call predecessors, (621), 240 states have return successors, (821), 607 states have call predecessors, (821), 619 states have call successors, (821) [2022-11-03 04:11:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2408 states and 3504 transitions. [2022-11-03 04:11:05,428 INFO L78 Accepts]: Start accepts. Automaton has 2408 states and 3504 transitions. Word has length 98 [2022-11-03 04:11:05,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:05,429 INFO L495 AbstractCegarLoop]: Abstraction has 2408 states and 3504 transitions. [2022-11-03 04:11:05,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:11:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 3504 transitions. [2022-11-03 04:11:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-03 04:11:05,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:05,431 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:11:05,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 04:11:05,432 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:11:05,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:05,432 INFO L85 PathProgramCache]: Analyzing trace with hash -820792448, now seen corresponding path program 1 times [2022-11-03 04:11:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:05,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142964750] [2022-11-03 04:11:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-03 04:11:05,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:05,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142964750] [2022-11-03 04:11:05,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142964750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:05,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:05,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:11:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472028209] [2022-11-03 04:11:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:05,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:11:05,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:11:05,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:05,749 INFO L87 Difference]: Start difference. First operand 2408 states and 3504 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:11:08,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:09,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:09,281 INFO L93 Difference]: Finished difference Result 4752 states and 6967 transitions. [2022-11-03 04:11:09,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:11:09,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2022-11-03 04:11:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:09,297 INFO L225 Difference]: With dead ends: 4752 [2022-11-03 04:11:09,297 INFO L226 Difference]: Without dead ends: 2396 [2022-11-03 04:11:09,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:09,311 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 1176 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:09,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1065 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 04:11:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-11-03 04:11:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2396. [2022-11-03 04:11:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 1522 states have (on average 1.3409986859395533) internal successors, (2041), 1585 states have internal predecessors, (2041), 621 states have call successors, (621), 233 states have call predecessors, (621), 240 states have return successors, (821), 607 states have call predecessors, (821), 619 states have call successors, (821) [2022-11-03 04:11:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3483 transitions. [2022-11-03 04:11:09,690 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3483 transitions. Word has length 132 [2022-11-03 04:11:09,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:09,691 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3483 transitions. [2022-11-03 04:11:09,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:11:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3483 transitions. [2022-11-03 04:11:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 04:11:09,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:09,694 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:11:09,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 04:11:09,695 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 26 more)] === [2022-11-03 04:11:09,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1722093, now seen corresponding path program 1 times [2022-11-03 04:11:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:09,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901397467] [2022-11-03 04:11:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:09,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 04:11:10,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:10,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901397467] [2022-11-03 04:11:10,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901397467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:10,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:10,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:11:10,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217647478] [2022-11-03 04:11:10,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:10,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:11:10,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:11:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:11:10,093 INFO L87 Difference]: Start difference. First operand 2396 states and 3483 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 04:11:12,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:14,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:16,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:16,508 INFO L93 Difference]: Finished difference Result 2396 states and 3483 transitions. [2022-11-03 04:11:16,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:11:16,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 103 [2022-11-03 04:11:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:16,520 INFO L225 Difference]: With dead ends: 2396 [2022-11-03 04:11:16,520 INFO L226 Difference]: Without dead ends: 2394 [2022-11-03 04:11:16,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:11:16,521 INFO L413 NwaCegarLoop]: 1055 mSDtfsCounter, 1165 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:16,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 2124 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 04:11:16,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2022-11-03 04:11:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 2394. [2022-11-03 04:11:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 1521 states have (on average 1.3405654174884944) internal successors, (2039), 1583 states have internal predecessors, (2039), 621 states have call successors, (621), 233 states have call predecessors, (621), 240 states have return successors, (821), 607 states have call predecessors, (821), 619 states have call successors, (821) [2022-11-03 04:11:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3481 transitions. [2022-11-03 04:11:16,860 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3481 transitions. Word has length 103 [2022-11-03 04:11:16,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:16,861 INFO L495 AbstractCegarLoop]: Abstraction has 2394 states and 3481 transitions. [2022-11-03 04:11:16,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 04:11:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3481 transitions. [2022-11-03 04:11:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-03 04:11:16,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:16,863 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:11:16,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 04:11:16,864 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__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 26 more)] === [2022-11-03 04:11:16,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:16,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1318679902, now seen corresponding path program 1 times [2022-11-03 04:11:16,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:16,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661168749] [2022-11-03 04:11:16,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:16,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-03 04:11:18,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:18,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661168749] [2022-11-03 04:11:18,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661168749] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:11:18,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077106178] [2022-11-03 04:11:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:18,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:11:18,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:11:18,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:11:18,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:11:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:19,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 04:11:19,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:11:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-03 04:11:20,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:11:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-03 04:11:21,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077106178] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:11:21,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [138523170] [2022-11-03 04:11:21,449 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-03 04:11:21,450 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:11:21,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:11:21,459 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:11:21,460 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:11:25,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:25,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:26,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:26,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:26,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:27,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:27,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:28,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:28,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:28,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:28,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:29,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:11:29,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 04:18:00,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:18:00,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-03 04:18:00,193 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 04:18:00,196 INFO L158 Benchmark]: Toolchain (without parser) took 586432.76ms. Allocated memory was 130.0MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 82.4MB in the beginning and 440.9MB in the end (delta: -358.5MB). Peak memory consumption was 884.3MB. Max. memory is 16.1GB. [2022-11-03 04:18:00,196 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:18:00,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5069.34ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 82.4MB in the beginning and 73.0MB in the end (delta: 9.4MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2022-11-03 04:18:00,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 365.73ms. Allocated memory is still 203.4MB. Free memory was 73.0MB in the beginning and 97.7MB in the end (delta: -24.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-03 04:18:00,197 INFO L158 Benchmark]: Boogie Preprocessor took 310.50ms. Allocated memory is still 203.4MB. Free memory was 97.7MB in the beginning and 66.5MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-03 04:18:00,198 INFO L158 Benchmark]: RCFGBuilder took 13817.78ms. Allocated memory was 203.4MB in the beginning and 503.3MB in the end (delta: 299.9MB). Free memory was 66.5MB in the beginning and 366.7MB in the end (delta: -300.2MB). Peak memory consumption was 245.0MB. Max. memory is 16.1GB. [2022-11-03 04:18:00,198 INFO L158 Benchmark]: TraceAbstraction took 566859.36ms. Allocated memory was 503.3MB in the beginning and 1.3GB in the end (delta: 811.6MB). Free memory was 365.6MB in the beginning and 440.9MB in the end (delta: -75.3MB). Peak memory consumption was 793.3MB. Max. memory is 16.1GB. [2022-11-03 04:18:00,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5069.34ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 82.4MB in the beginning and 73.0MB in the end (delta: 9.4MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 365.73ms. Allocated memory is still 203.4MB. Free memory was 73.0MB in the beginning and 97.7MB in the end (delta: -24.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 310.50ms. Allocated memory is still 203.4MB. Free memory was 97.7MB in the beginning and 66.5MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 13817.78ms. Allocated memory was 203.4MB in the beginning and 503.3MB in the end (delta: 299.9MB). Free memory was 66.5MB in the beginning and 366.7MB in the end (delta: -300.2MB). Peak memory consumption was 245.0MB. Max. memory is 16.1GB. * TraceAbstraction took 566859.36ms. Allocated memory was 503.3MB in the beginning and 1.3GB in the end (delta: 811.6MB). Free memory was 365.6MB in the beginning and 440.9MB in the end (delta: -75.3MB). Peak memory consumption was 793.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-03 04:18:00,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d --- 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-5e519f3 [2022-11-03 04:18:02,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:18:02,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:18:02,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:18:02,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:18:02,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:18:02,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:18:02,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:18:02,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:18:02,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:18:02,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:18:02,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:18:02,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:18:02,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:18:02,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:18:02,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:18:02,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:18:02,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:18:02,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:18:02,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:18:02,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:18:02,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:18:02,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:18:02,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:18:02,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:18:02,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:18:02,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:18:02,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:18:02,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:18:02,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:18:02,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:18:02,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:18:02,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:18:02,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:18:02,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:18:02,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:18:02,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:18:02,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:18:02,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:18:02,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:18:02,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:18:02,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 04:18:02,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:18:02,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:18:02,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:18:02,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:18:02,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:18:02,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:18:02,758 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:18:02,759 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:18:02,759 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:18:02,759 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:18:02,759 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:18:02,760 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:18:02,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:18:02,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:18:02,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:18:02,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:18:02,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:18:02,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:18:02,762 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:18:02,762 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:18:02,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:18:02,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:18:02,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:18:02,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:18:02,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:18:02,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:18:02,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:18:02,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:18:02,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:18:02,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:18:02,764 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:18:02,765 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:18:02,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:18:02,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:18:02,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:18:02,765 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d [2022-11-03 04:18:03,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:18:03,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:18:03,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:18:03,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:18:03,195 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:18:03,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2022-11-03 04:18:03,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/b283a4994/57074ed7fede4379acfa7841e9fc357a/FLAGf64a982ac [2022-11-03 04:18:04,346 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:18:04,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2022-11-03 04:18:04,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/b283a4994/57074ed7fede4379acfa7841e9fc357a/FLAGf64a982ac [2022-11-03 04:18:04,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/data/b283a4994/57074ed7fede4379acfa7841e9fc357a [2022-11-03 04:18:04,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:18:04,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:18:04,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:18:04,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:18:04,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:18:04,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:18:04" (1/1) ... [2022-11-03 04:18:04,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea23617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:04, skipping insertion in model container [2022-11-03 04:18:04,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:18:04" (1/1) ... [2022-11-03 04:18:04,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:18:05,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:18:09,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2022-11-03 04:18:09,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2022-11-03 04:18:09,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2022-11-03 04:18:09,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2022-11-03 04:18:09,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2022-11-03 04:18:09,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2022-11-03 04:18:09,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2022-11-03 04:18:09,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2022-11-03 04:18:09,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2022-11-03 04:18:09,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2022-11-03 04:18:09,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2022-11-03 04:18:09,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2022-11-03 04:18:09,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2022-11-03 04:18:09,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2022-11-03 04:18:09,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2022-11-03 04:18:09,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2022-11-03 04:18:09,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2022-11-03 04:18:09,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2022-11-03 04:18:09,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2022-11-03 04:18:09,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2022-11-03 04:18:09,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2022-11-03 04:18:09,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2022-11-03 04:18:09,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2022-11-03 04:18:09,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2022-11-03 04:18:09,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2022-11-03 04:18:09,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2022-11-03 04:18:09,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2022-11-03 04:18:09,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2022-11-03 04:18:09,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2022-11-03 04:18:09,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2022-11-03 04:18:09,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2022-11-03 04:18:09,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2022-11-03 04:18:09,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2022-11-03 04:18:09,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2022-11-03 04:18:09,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2022-11-03 04:18:09,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2022-11-03 04:18:09,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2022-11-03 04:18:09,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2022-11-03 04:18:09,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2022-11-03 04:18:09,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2022-11-03 04:18:09,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2022-11-03 04:18:09,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2022-11-03 04:18:09,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2022-11-03 04:18:09,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2022-11-03 04:18:09,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2022-11-03 04:18:09,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2022-11-03 04:18:09,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2022-11-03 04:18:09,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2022-11-03 04:18:09,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2022-11-03 04:18:09,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2022-11-03 04:18:09,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2022-11-03 04:18:09,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2022-11-03 04:18:09,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2022-11-03 04:18:09,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2022-11-03 04:18:09,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2022-11-03 04:18:09,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2022-11-03 04:18:09,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2022-11-03 04:18:09,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2022-11-03 04:18:09,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2022-11-03 04:18:09,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2022-11-03 04:18:09,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2022-11-03 04:18:09,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2022-11-03 04:18:09,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2022-11-03 04:18:09,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2022-11-03 04:18:09,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2022-11-03 04:18:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2022-11-03 04:18:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2022-11-03 04:18:09,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2022-11-03 04:18:09,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2022-11-03 04:18:09,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2022-11-03 04:18:09,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2022-11-03 04:18:09,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2022-11-03 04:18:09,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2022-11-03 04:18:09,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2022-11-03 04:18:09,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2022-11-03 04:18:09,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2022-11-03 04:18:09,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2022-11-03 04:18:09,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2022-11-03 04:18:09,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2022-11-03 04:18:09,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2022-11-03 04:18:09,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2022-11-03 04:18:09,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2022-11-03 04:18:09,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2022-11-03 04:18:09,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2022-11-03 04:18:09,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2022-11-03 04:18:09,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2022-11-03 04:18:09,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2022-11-03 04:18:09,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2022-11-03 04:18:09,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:18:09,163 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 04:18:09,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:18:09,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2022-11-03 04:18:09,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2022-11-03 04:18:09,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2022-11-03 04:18:09,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2022-11-03 04:18:09,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2022-11-03 04:18:09,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2022-11-03 04:18:09,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2022-11-03 04:18:09,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2022-11-03 04:18:09,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2022-11-03 04:18:09,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2022-11-03 04:18:09,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2022-11-03 04:18:09,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2022-11-03 04:18:09,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2022-11-03 04:18:09,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2022-11-03 04:18:09,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2022-11-03 04:18:09,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2022-11-03 04:18:09,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2022-11-03 04:18:09,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2022-11-03 04:18:09,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2022-11-03 04:18:09,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2022-11-03 04:18:09,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2022-11-03 04:18:09,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2022-11-03 04:18:09,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2022-11-03 04:18:09,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2022-11-03 04:18:09,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2022-11-03 04:18:09,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2022-11-03 04:18:09,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2022-11-03 04:18:09,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2022-11-03 04:18:09,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2022-11-03 04:18:09,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2022-11-03 04:18:09,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2022-11-03 04:18:09,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2022-11-03 04:18:09,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2022-11-03 04:18:09,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2022-11-03 04:18:09,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2022-11-03 04:18:09,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2022-11-03 04:18:09,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2022-11-03 04:18:09,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2022-11-03 04:18:09,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2022-11-03 04:18:09,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2022-11-03 04:18:09,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2022-11-03 04:18:09,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2022-11-03 04:18:09,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2022-11-03 04:18:09,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2022-11-03 04:18:09,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2022-11-03 04:18:09,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2022-11-03 04:18:09,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2022-11-03 04:18:09,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2022-11-03 04:18:09,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2022-11-03 04:18:09,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2022-11-03 04:18:09,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2022-11-03 04:18:09,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2022-11-03 04:18:09,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2022-11-03 04:18:09,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2022-11-03 04:18:09,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2022-11-03 04:18:09,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2022-11-03 04:18:09,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2022-11-03 04:18:09,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2022-11-03 04:18:09,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2022-11-03 04:18:09,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2022-11-03 04:18:09,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2022-11-03 04:18:09,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2022-11-03 04:18:09,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2022-11-03 04:18:09,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2022-11-03 04:18:09,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2022-11-03 04:18:09,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2022-11-03 04:18:09,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2022-11-03 04:18:09,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2022-11-03 04:18:09,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2022-11-03 04:18:09,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2022-11-03 04:18:09,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2022-11-03 04:18:09,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2022-11-03 04:18:09,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2022-11-03 04:18:09,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2022-11-03 04:18:09,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2022-11-03 04:18:09,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2022-11-03 04:18:09,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2022-11-03 04:18:09,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2022-11-03 04:18:09,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2022-11-03 04:18:09,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2022-11-03 04:18:09,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2022-11-03 04:18:09,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2022-11-03 04:18:09,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2022-11-03 04:18:09,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2022-11-03 04:18:09,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2022-11-03 04:18:09,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2022-11-03 04:18:09,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2022-11-03 04:18:09,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2022-11-03 04:18:09,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:18:09,855 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:18:10,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2022-11-03 04:18:10,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2022-11-03 04:18:10,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2022-11-03 04:18:10,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2022-11-03 04:18:10,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2022-11-03 04:18:10,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2022-11-03 04:18:10,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2022-11-03 04:18:10,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2022-11-03 04:18:10,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2022-11-03 04:18:10,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2022-11-03 04:18:10,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2022-11-03 04:18:10,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2022-11-03 04:18:10,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2022-11-03 04:18:10,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2022-11-03 04:18:10,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2022-11-03 04:18:10,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2022-11-03 04:18:10,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2022-11-03 04:18:10,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2022-11-03 04:18:10,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2022-11-03 04:18:10,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2022-11-03 04:18:10,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2022-11-03 04:18:10,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2022-11-03 04:18:10,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2022-11-03 04:18:10,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2022-11-03 04:18:10,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2022-11-03 04:18:10,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2022-11-03 04:18:10,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2022-11-03 04:18:10,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2022-11-03 04:18:10,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2022-11-03 04:18:10,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2022-11-03 04:18:10,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2022-11-03 04:18:10,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2022-11-03 04:18:10,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2022-11-03 04:18:10,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2022-11-03 04:18:10,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2022-11-03 04:18:10,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2022-11-03 04:18:10,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2022-11-03 04:18:10,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2022-11-03 04:18:10,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2022-11-03 04:18:10,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2022-11-03 04:18:10,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2022-11-03 04:18:10,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2022-11-03 04:18:10,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2022-11-03 04:18:10,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2022-11-03 04:18:10,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2022-11-03 04:18:10,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2022-11-03 04:18:10,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2022-11-03 04:18:10,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2022-11-03 04:18:10,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2022-11-03 04:18:10,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2022-11-03 04:18:10,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2022-11-03 04:18:10,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2022-11-03 04:18:10,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2022-11-03 04:18:10,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2022-11-03 04:18:10,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2022-11-03 04:18:10,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2022-11-03 04:18:10,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2022-11-03 04:18:10,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2022-11-03 04:18:10,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2022-11-03 04:18:10,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2022-11-03 04:18:10,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2022-11-03 04:18:10,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2022-11-03 04:18:10,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2022-11-03 04:18:10,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2022-11-03 04:18:10,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2022-11-03 04:18:10,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2022-11-03 04:18:10,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2022-11-03 04:18:10,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2022-11-03 04:18:10,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2022-11-03 04:18:10,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2022-11-03 04:18:10,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2022-11-03 04:18:10,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2022-11-03 04:18:10,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2022-11-03 04:18:10,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2022-11-03 04:18:10,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2022-11-03 04:18:10,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2022-11-03 04:18:10,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2022-11-03 04:18:10,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2022-11-03 04:18:10,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2022-11-03 04:18:10,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2022-11-03 04:18:10,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2022-11-03 04:18:10,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2022-11-03 04:18:10,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2022-11-03 04:18:10,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2022-11-03 04:18:10,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2022-11-03 04:18:10,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2022-11-03 04:18:10,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2022-11-03 04:18:10,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2022-11-03 04:18:10,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:18:10,851 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:18:10,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10 WrapperNode [2022-11-03 04:18:10,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:18:10,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:18:10,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:18:10,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:18:10,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,229 INFO L138 Inliner]: procedures = 568, calls = 2286, calls flagged for inlining = 242, calls inlined = 154, statements flattened = 4271 [2022-11-03 04:18:11,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:18:11,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:18:11,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:18:11,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:18:11,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:18:11,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:18:11,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:18:11,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:18:11,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (1/1) ... [2022-11-03 04:18:11,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:18:11,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:18:11,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:18:11,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:18:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 04:18:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 04:18:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:18:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:18:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:18:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:18:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 04:18:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 04:18:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-11-03 04:18:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-11-03 04:18:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 04:18:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 04:18:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2022-11-03 04:18:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2022-11-03 04:18:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 04:18:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 04:18:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 04:18:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 04:18:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 04:18:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 04:18:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 04:18:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 04:18:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 04:18:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure tda1004x_writereg [2022-11-03 04:18:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure tda1004x_writereg [2022-11-03 04:18:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:18:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-03 04:18:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 04:18:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 04:18:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 04:18:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 04:18:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 04:18:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-11-03 04:18:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-11-03 04:18:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 04:18:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 04:18:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 04:18:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 04:18:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 04:18:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 04:18:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 04:18:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 04:18:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 04:18:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 04:18:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2022-11-03 04:18:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2022-11-03 04:18:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:18:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:18:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 04:18:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 04:18:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:18:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:18:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_iso_xfer [2022-11-03 04:18:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_iso_xfer [2022-11-03 04:18:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 04:18:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 04:18:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 04:18:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 04:18:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_cmd [2022-11-03 04:18:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_cmd [2022-11-03 04:18:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:18:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:18:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 04:18:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 04:18:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:18:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-03 04:18:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-03 04:18:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-03 04:18:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-03 04:18:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-03 04:18:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 04:18:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 04:18:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-03 04:18:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-03 04:18:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-11-03 04:18:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-11-03 04:18:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-03 04:18:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_free_iso_urbs [2022-11-03 04:18:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_free_iso_urbs [2022-11-03 04:18:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:18:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:18:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 04:18:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 04:18:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 04:18:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 04:18:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 04:18:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:18:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 04:18:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:18:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:18:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:18:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2022-11-03 04:18:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2022-11-03 04:18:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:18:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:18:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 04:18:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 04:18:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 04:18:11,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 04:18:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:18:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 04:18:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 04:18:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semusb_of_ttusb [2022-11-03 04:18:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semusb_of_ttusb [2022-11-03 04:18:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:18:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 04:18:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 04:18:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 04:18:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 04:18:11,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 04:18:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:18:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 04:18:11,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 04:18:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 04:18:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 04:18:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-03 04:18:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-03 04:18:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 04:18:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 04:18:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:18:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:18:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-03 04:18:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-03 04:18:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure master_xfer [2022-11-03 04:18:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure master_xfer [2022-11-03 04:18:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-03 04:18:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-03 04:18:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 04:18:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 04:18:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 04:18:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 04:18:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 04:18:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 04:18:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-11-03 04:18:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-11-03 04:18:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 04:18:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 04:18:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-03 04:18:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-03 04:18:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 04:18:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 04:18:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:18:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:18:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 04:18:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 04:18:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 04:18:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 04:18:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-03 04:18:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semi2c_of_ttusb [2022-11-03 04:18:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_semi2c_of_ttusb [2022-11-03 04:18:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-03 04:18:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-03 04:18:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-03 04:18:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-03 04:18:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-03 04:18:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:18:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:18:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 04:18:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 04:18:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_semi2c_of_ttusb [2022-11-03 04:18:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_semi2c_of_ttusb [2022-11-03 04:18:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_disconnect [2022-11-03 04:18:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_disconnect [2022-11-03 04:18:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-11-03 04:18:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-11-03 04:18:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 04:18:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 04:18:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 04:18:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 04:18:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2022-11-03 04:18:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2022-11-03 04:18:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_result [2022-11-03 04:18:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_result [2022-11-03 04:18:12,513 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:18:12,518 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:18:14,690 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:18:55,933 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:18:55,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:18:55,951 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 04:18:55,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:18:55 BoogieIcfgContainer [2022-11-03 04:18:55,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:18:55,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:18:55,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:18:55,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:18:55,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:18:04" (1/3) ... [2022-11-03 04:18:55,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6386e42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:18:55, skipping insertion in model container [2022-11-03 04:18:55,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:10" (2/3) ... [2022-11-03 04:18:55,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6386e42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:18:55, skipping insertion in model container [2022-11-03 04:18:55,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:18:55" (3/3) ... [2022-11-03 04:18:55,963 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2022-11-03 04:18:55,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:18:55,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-03 04:18:56,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:18:56,065 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@713bfd0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:18:56,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 04:18:56,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 1174 states, 820 states have (on average 1.3487804878048781) internal successors, (1106), 867 states have internal predecessors, (1106), 255 states have call successors, (255), 71 states have call predecessors, (255), 70 states have return successors, (251), 250 states have call predecessors, (251), 251 states have call successors, (251) [2022-11-03 04:18:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-03 04:18:56,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:18:56,085 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:18:56,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:18:56,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:18:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash -783188082, now seen corresponding path program 1 times [2022-11-03 04:18:56,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:18:56,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927127341] [2022-11-03 04:18:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:18:56,108 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:18:56,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:18:56,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:18:56,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 04:18:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:18:57,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:18:57,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:18:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:18:59,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:18:59,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:18:59,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927127341] [2022-11-03 04:18:59,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927127341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:18:59,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:18:59,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:18:59,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540836466] [2022-11-03 04:18:59,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:18:59,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:18:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:18:59,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:18:59,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:18:59,263 INFO L87 Difference]: Start difference. First operand has 1174 states, 820 states have (on average 1.3487804878048781) internal successors, (1106), 867 states have internal predecessors, (1106), 255 states have call successors, (255), 71 states have call predecessors, (255), 70 states have return successors, (251), 250 states have call predecessors, (251), 251 states have call successors, (251) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 04:18:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:18:59,573 INFO L93 Difference]: Finished difference Result 2296 states and 3249 transitions. [2022-11-03 04:18:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:18:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 71 [2022-11-03 04:18:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:18:59,604 INFO L225 Difference]: With dead ends: 2296 [2022-11-03 04:18:59,605 INFO L226 Difference]: Without dead ends: 1157 [2022-11-03 04:18:59,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:18:59,622 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 1521 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 3144 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:18:59,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 3144 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:18:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-03 04:18:59,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1157. [2022-11-03 04:18:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 810 states have (on average 1.3074074074074074) internal successors, (1059), 853 states have internal predecessors, (1059), 251 states have call successors, (251), 70 states have call predecessors, (251), 69 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:18:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1559 transitions. [2022-11-03 04:18:59,774 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1559 transitions. Word has length 71 [2022-11-03 04:18:59,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:18:59,776 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1559 transitions. [2022-11-03 04:18:59,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 04:18:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1559 transitions. [2022-11-03 04:18:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 04:18:59,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:18:59,787 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:18:59,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 04:19:00,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:00,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:00,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:00,003 INFO L85 PathProgramCache]: Analyzing trace with hash 463776549, now seen corresponding path program 1 times [2022-11-03 04:19:00,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:00,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882611451] [2022-11-03 04:19:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:00,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:00,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:00,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 04:19:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:01,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:01,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:03,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:03,220 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:03,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882611451] [2022-11-03 04:19:03,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882611451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:03,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:03,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:03,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598342947] [2022-11-03 04:19:03,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:03,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:03,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:03,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:03,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:03,223 INFO L87 Difference]: Start difference. First operand 1157 states and 1559 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-03 04:19:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:03,407 INFO L93 Difference]: Finished difference Result 1157 states and 1559 transitions. [2022-11-03 04:19:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:03,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77 [2022-11-03 04:19:03,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:03,415 INFO L225 Difference]: With dead ends: 1157 [2022-11-03 04:19:03,415 INFO L226 Difference]: Without dead ends: 1155 [2022-11-03 04:19:03,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:03,417 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 1497 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 3108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:03,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 3108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-11-03 04:19:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1155. [2022-11-03 04:19:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 809 states have (on average 1.3065512978986402) internal successors, (1057), 851 states have internal predecessors, (1057), 251 states have call successors, (251), 70 states have call predecessors, (251), 69 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:19:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1557 transitions. [2022-11-03 04:19:03,504 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1557 transitions. Word has length 77 [2022-11-03 04:19:03,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:03,505 INFO L495 AbstractCegarLoop]: Abstraction has 1155 states and 1557 transitions. [2022-11-03 04:19:03,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-03 04:19:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1557 transitions. [2022-11-03 04:19:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-03 04:19:03,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:03,507 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:03,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:03,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:03,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:03,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1246769642, now seen corresponding path program 1 times [2022-11-03 04:19:03,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:03,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698643047] [2022-11-03 04:19:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:03,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:03,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:03,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:03,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 04:19:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:05,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:05,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:06,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:06,844 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:06,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698643047] [2022-11-03 04:19:06,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698643047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:06,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:06,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:06,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105217990] [2022-11-03 04:19:06,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:06,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:06,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:06,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:06,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:06,847 INFO L87 Difference]: Start difference. First operand 1155 states and 1557 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 04:19:07,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:07,055 INFO L93 Difference]: Finished difference Result 1155 states and 1557 transitions. [2022-11-03 04:19:07,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:07,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2022-11-03 04:19:07,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:07,064 INFO L225 Difference]: With dead ends: 1155 [2022-11-03 04:19:07,065 INFO L226 Difference]: Without dead ends: 1153 [2022-11-03 04:19:07,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:07,067 INFO L413 NwaCegarLoop]: 1553 mSDtfsCounter, 1489 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:07,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 3104 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:07,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2022-11-03 04:19:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1153. [2022-11-03 04:19:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 808 states have (on average 1.3056930693069306) internal successors, (1055), 849 states have internal predecessors, (1055), 251 states have call successors, (251), 70 states have call predecessors, (251), 69 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:19:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1555 transitions. [2022-11-03 04:19:07,162 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1555 transitions. Word has length 83 [2022-11-03 04:19:07,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:07,163 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1555 transitions. [2022-11-03 04:19:07,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 04:19:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1555 transitions. [2022-11-03 04:19:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 04:19:07,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:07,165 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:07,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:07,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:07,379 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:07,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:07,379 INFO L85 PathProgramCache]: Analyzing trace with hash 209600467, now seen corresponding path program 1 times [2022-11-03 04:19:07,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:07,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327579326] [2022-11-03 04:19:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:07,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:07,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:07,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:07,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 04:19:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:08,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:08,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:10,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:10,421 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:10,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327579326] [2022-11-03 04:19:10,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327579326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:10,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:10,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:10,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380500959] [2022-11-03 04:19:10,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:10,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:10,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:10,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:10,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:10,423 INFO L87 Difference]: Start difference. First operand 1153 states and 1555 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 04:19:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:10,629 INFO L93 Difference]: Finished difference Result 1153 states and 1555 transitions. [2022-11-03 04:19:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:10,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2022-11-03 04:19:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:10,637 INFO L225 Difference]: With dead ends: 1153 [2022-11-03 04:19:10,638 INFO L226 Difference]: Without dead ends: 1151 [2022-11-03 04:19:10,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:10,640 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 1481 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:10,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 3100 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-03 04:19:10,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1151. [2022-11-03 04:19:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 807 states have (on average 1.304832713754647) internal successors, (1053), 847 states have internal predecessors, (1053), 251 states have call successors, (251), 70 states have call predecessors, (251), 69 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:19:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1553 transitions. [2022-11-03 04:19:10,823 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1553 transitions. Word has length 89 [2022-11-03 04:19:10,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:10,824 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1553 transitions. [2022-11-03 04:19:10,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 04:19:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1553 transitions. [2022-11-03 04:19:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 04:19:10,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:10,827 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:10,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:11,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:11,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1455552901, now seen corresponding path program 1 times [2022-11-03 04:19:11,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:11,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906086893] [2022-11-03 04:19:11,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:11,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:11,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:11,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:11,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 04:19:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:12,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:12,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:14,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:14,138 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:14,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906086893] [2022-11-03 04:19:14,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906086893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:14,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:14,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:14,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163978250] [2022-11-03 04:19:14,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:14,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:14,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:14,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:14,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:14,141 INFO L87 Difference]: Start difference. First operand 1151 states and 1553 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-03 04:19:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:14,321 INFO L93 Difference]: Finished difference Result 1151 states and 1553 transitions. [2022-11-03 04:19:14,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:14,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2022-11-03 04:19:14,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:14,328 INFO L225 Difference]: With dead ends: 1151 [2022-11-03 04:19:14,328 INFO L226 Difference]: Without dead ends: 1149 [2022-11-03 04:19:14,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:14,330 INFO L413 NwaCegarLoop]: 1549 mSDtfsCounter, 1473 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 3096 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:14,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 3096 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2022-11-03 04:19:14,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1149. [2022-11-03 04:19:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 806 states have (on average 1.303970223325062) internal successors, (1051), 845 states have internal predecessors, (1051), 251 states have call successors, (251), 70 states have call predecessors, (251), 69 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:19:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1551 transitions. [2022-11-03 04:19:14,435 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1551 transitions. Word has length 95 [2022-11-03 04:19:14,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:14,436 INFO L495 AbstractCegarLoop]: Abstraction has 1149 states and 1551 transitions. [2022-11-03 04:19:14,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-03 04:19:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1551 transitions. [2022-11-03 04:19:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 04:19:14,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:14,439 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:14,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:14,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:14,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:14,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2073824023, now seen corresponding path program 1 times [2022-11-03 04:19:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:14,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082000574] [2022-11-03 04:19:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:14,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:14,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:14,664 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:14,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 04:19:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:16,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:16,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:17,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:17,746 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:17,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082000574] [2022-11-03 04:19:17,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082000574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:17,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:17,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327761514] [2022-11-03 04:19:17,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:17,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:17,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:17,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:17,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:17,748 INFO L87 Difference]: Start difference. First operand 1149 states and 1551 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 04:19:17,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:17,955 INFO L93 Difference]: Finished difference Result 1149 states and 1551 transitions. [2022-11-03 04:19:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:17,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2022-11-03 04:19:17,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:17,962 INFO L225 Difference]: With dead ends: 1149 [2022-11-03 04:19:17,962 INFO L226 Difference]: Without dead ends: 1147 [2022-11-03 04:19:17,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:17,965 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 1465 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 3092 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:17,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 3092 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:17,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-03 04:19:18,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2022-11-03 04:19:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 805 states have (on average 1.3031055900621118) internal successors, (1049), 843 states have internal predecessors, (1049), 251 states have call successors, (251), 70 states have call predecessors, (251), 69 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2022-11-03 04:19:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1549 transitions. [2022-11-03 04:19:18,098 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1549 transitions. Word has length 101 [2022-11-03 04:19:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:18,098 INFO L495 AbstractCegarLoop]: Abstraction has 1147 states and 1549 transitions. [2022-11-03 04:19:18,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 04:19:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1549 transitions. [2022-11-03 04:19:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 04:19:18,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:18,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:18,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:18,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:18,323 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:18,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1625363093, now seen corresponding path program 1 times [2022-11-03 04:19:18,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:18,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108168191] [2022-11-03 04:19:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:18,326 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:18,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 04:19:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:19,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1477 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-03 04:19:19,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-03 04:19:22,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:22,792 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:22,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108168191] [2022-11-03 04:19:22,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108168191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:22,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:22,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-03 04:19:22,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782365707] [2022-11-03 04:19:22,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:22,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 04:19:22,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:22,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 04:19:22,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-11-03 04:19:22,795 INFO L87 Difference]: Start difference. First operand 1147 states and 1549 transitions. Second operand has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 7 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-03 04:19:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:31,873 INFO L93 Difference]: Finished difference Result 2324 states and 3151 transitions. [2022-11-03 04:19:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 04:19:31,875 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 7 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 115 [2022-11-03 04:19:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:31,884 INFO L225 Difference]: With dead ends: 2324 [2022-11-03 04:19:31,884 INFO L226 Difference]: Without dead ends: 1191 [2022-11-03 04:19:31,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2022-11-03 04:19:31,893 INFO L413 NwaCegarLoop]: 1541 mSDtfsCounter, 90 mSDsluCounter, 24326 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 25867 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:31,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 25867 Invalid, 943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [278 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 04:19:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-11-03 04:19:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1167. [2022-11-03 04:19:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 819 states have (on average 1.297924297924298) internal successors, (1063), 857 states have internal predecessors, (1063), 257 states have call successors, (257), 70 states have call predecessors, (257), 69 states have return successors, (255), 254 states have call predecessors, (255), 255 states have call successors, (255) [2022-11-03 04:19:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1575 transitions. [2022-11-03 04:19:32,043 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1575 transitions. Word has length 115 [2022-11-03 04:19:32,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:32,044 INFO L495 AbstractCegarLoop]: Abstraction has 1167 states and 1575 transitions. [2022-11-03 04:19:32,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 7 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-03 04:19:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1575 transitions. [2022-11-03 04:19:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 04:19:32,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:32,050 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:32,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:32,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:32,271 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:32,271 INFO L85 PathProgramCache]: Analyzing trace with hash 272133673, now seen corresponding path program 1 times [2022-11-03 04:19:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:32,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883039326] [2022-11-03 04:19:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:32,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:32,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:32,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 04:19:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:33,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 04:19:33,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 04:19:34,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:34,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:34,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883039326] [2022-11-03 04:19:34,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883039326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:34,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:34,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:19:34,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243703288] [2022-11-03 04:19:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:34,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:19:34,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:34,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:19:34,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:19:34,338 INFO L87 Difference]: Start difference. First operand 1167 states and 1575 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 04:19:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:36,457 INFO L93 Difference]: Finished difference Result 1590 states and 2102 transitions. [2022-11-03 04:19:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:19:36,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 115 [2022-11-03 04:19:36,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:36,466 INFO L225 Difference]: With dead ends: 1590 [2022-11-03 04:19:36,466 INFO L226 Difference]: Without dead ends: 1189 [2022-11-03 04:19:36,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:19:36,470 INFO L413 NwaCegarLoop]: 1591 mSDtfsCounter, 826 mSDsluCounter, 5187 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 6778 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:36,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 6778 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 04:19:36,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-11-03 04:19:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1165. [2022-11-03 04:19:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 818 states have (on average 1.2970660146699267) internal successors, (1061), 856 states have internal predecessors, (1061), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:19:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1571 transitions. [2022-11-03 04:19:36,596 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1571 transitions. Word has length 115 [2022-11-03 04:19:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:36,597 INFO L495 AbstractCegarLoop]: Abstraction has 1165 states and 1571 transitions. [2022-11-03 04:19:36,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 04:19:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1571 transitions. [2022-11-03 04:19:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-03 04:19:36,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:36,599 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:36,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-03 04:19:36,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:36,816 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:36,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1891921417, now seen corresponding path program 1 times [2022-11-03 04:19:36,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:36,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756093112] [2022-11-03 04:19:36,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:36,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:36,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:36,822 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:36,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 04:19:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:38,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:38,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:40,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:40,266 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:40,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756093112] [2022-11-03 04:19:40,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756093112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:40,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:40,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:40,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465678692] [2022-11-03 04:19:40,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:40,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:40,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:40,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:40,269 INFO L87 Difference]: Start difference. First operand 1165 states and 1571 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-03 04:19:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:40,527 INFO L93 Difference]: Finished difference Result 1165 states and 1571 transitions. [2022-11-03 04:19:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:40,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 107 [2022-11-03 04:19:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:40,536 INFO L225 Difference]: With dead ends: 1165 [2022-11-03 04:19:40,536 INFO L226 Difference]: Without dead ends: 1163 [2022-11-03 04:19:40,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:40,538 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 1457 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:40,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 3088 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:40,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-11-03 04:19:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2022-11-03 04:19:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 817 states have (on average 1.2962056303549572) internal successors, (1059), 854 states have internal predecessors, (1059), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:19:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1569 transitions. [2022-11-03 04:19:40,679 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1569 transitions. Word has length 107 [2022-11-03 04:19:40,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:40,679 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1569 transitions. [2022-11-03 04:19:40,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-03 04:19:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1569 transitions. [2022-11-03 04:19:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-03 04:19:40,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:40,682 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:40,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:40,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:40,895 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:40,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:40,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1196953089, now seen corresponding path program 1 times [2022-11-03 04:19:40,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:40,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078083482] [2022-11-03 04:19:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:40,898 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:40,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 04:19:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:42,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:42,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:44,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:44,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:44,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078083482] [2022-11-03 04:19:44,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078083482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:44,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:44,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:44,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261469675] [2022-11-03 04:19:44,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:44,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:44,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:44,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:44,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:44,417 INFO L87 Difference]: Start difference. First operand 1163 states and 1569 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 04:19:44,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:44,677 INFO L93 Difference]: Finished difference Result 1163 states and 1569 transitions. [2022-11-03 04:19:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:44,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2022-11-03 04:19:44,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:44,684 INFO L225 Difference]: With dead ends: 1163 [2022-11-03 04:19:44,684 INFO L226 Difference]: Without dead ends: 1161 [2022-11-03 04:19:44,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:44,686 INFO L413 NwaCegarLoop]: 1543 mSDtfsCounter, 1453 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:44,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 3080 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-11-03 04:19:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2022-11-03 04:19:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 816 states have (on average 1.295343137254902) internal successors, (1057), 852 states have internal predecessors, (1057), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:19:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1567 transitions. [2022-11-03 04:19:44,833 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1567 transitions. Word has length 113 [2022-11-03 04:19:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:44,834 INFO L495 AbstractCegarLoop]: Abstraction has 1161 states and 1567 transitions. [2022-11-03 04:19:44,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 04:19:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1567 transitions. [2022-11-03 04:19:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 04:19:44,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:44,836 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:44,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:45,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:45,051 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash 779468130, now seen corresponding path program 1 times [2022-11-03 04:19:45,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:45,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141597100] [2022-11-03 04:19:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:45,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:45,054 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:45,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 04:19:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:46,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:19:46,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:19:48,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:48,600 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:48,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141597100] [2022-11-03 04:19:48,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141597100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:48,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:48,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:19:48,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225948203] [2022-11-03 04:19:48,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:48,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:19:48,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:48,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:19:48,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:19:48,602 INFO L87 Difference]: Start difference. First operand 1161 states and 1567 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 04:19:48,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:48,834 INFO L93 Difference]: Finished difference Result 1161 states and 1567 transitions. [2022-11-03 04:19:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:19:48,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2022-11-03 04:19:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:48,841 INFO L225 Difference]: With dead ends: 1161 [2022-11-03 04:19:48,841 INFO L226 Difference]: Without dead ends: 1159 [2022-11-03 04:19:48,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:19:48,843 INFO L413 NwaCegarLoop]: 1541 mSDtfsCounter, 1445 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:48,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 3080 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:19:48,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-11-03 04:19:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1159. [2022-11-03 04:19:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 815 states have (on average 1.294478527607362) internal successors, (1055), 850 states have internal predecessors, (1055), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:19:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1565 transitions. [2022-11-03 04:19:49,074 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1565 transitions. Word has length 115 [2022-11-03 04:19:49,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:49,075 INFO L495 AbstractCegarLoop]: Abstraction has 1159 states and 1565 transitions. [2022-11-03 04:19:49,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 04:19:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1565 transitions. [2022-11-03 04:19:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-03 04:19:49,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:49,079 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:19:49,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:49,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:49,303 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:49,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:49,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1994388712, now seen corresponding path program 1 times [2022-11-03 04:19:49,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:49,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486249149] [2022-11-03 04:19:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:49,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:49,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:49,307 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:49,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 04:19:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:19:51,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-03 04:19:51,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:19:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-11-03 04:19:53,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:19:53,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:19:53,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486249149] [2022-11-03 04:19:53,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486249149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:19:53,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:19:53,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 04:19:53,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194323091] [2022-11-03 04:19:53,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:19:53,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 04:19:53,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:19:53,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 04:19:53,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-03 04:19:53,611 INFO L87 Difference]: Start difference. First operand 1159 states and 1565 transitions. Second operand has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-03 04:19:58,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:19:58,266 INFO L93 Difference]: Finished difference Result 2303 states and 3121 transitions. [2022-11-03 04:19:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 04:19:58,268 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) Word has length 157 [2022-11-03 04:19:58,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:19:58,279 INFO L225 Difference]: With dead ends: 2303 [2022-11-03 04:19:58,279 INFO L226 Difference]: Without dead ends: 1183 [2022-11-03 04:19:58,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-03 04:19:58,289 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 413 mSDsluCounter, 15094 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 16669 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:19:58,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 16669 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 04:19:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-11-03 04:19:58,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1159. [2022-11-03 04:19:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 815 states have (on average 1.2932515337423314) internal successors, (1054), 849 states have internal predecessors, (1054), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:19:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1564 transitions. [2022-11-03 04:19:58,499 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1564 transitions. Word has length 157 [2022-11-03 04:19:58,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:19:58,499 INFO L495 AbstractCegarLoop]: Abstraction has 1159 states and 1564 transitions. [2022-11-03 04:19:58,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-03 04:19:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1564 transitions. [2022-11-03 04:19:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-03 04:19:58,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:19:58,502 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:19:58,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 04:19:58,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:19:58,727 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:19:58,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:19:58,727 INFO L85 PathProgramCache]: Analyzing trace with hash 190442030, now seen corresponding path program 1 times [2022-11-03 04:19:58,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:19:58,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988801813] [2022-11-03 04:19:58,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:19:58,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:19:58,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:19:58,731 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:19:58,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 04:20:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:00,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:20:00,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:20:01,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:01,909 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:01,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988801813] [2022-11-03 04:20:01,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988801813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:01,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:20:01,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:20:01,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568192089] [2022-11-03 04:20:01,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:01,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:20:01,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:01,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:20:01,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:20:01,911 INFO L87 Difference]: Start difference. First operand 1159 states and 1564 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-03 04:20:02,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:02,125 INFO L93 Difference]: Finished difference Result 1159 states and 1564 transitions. [2022-11-03 04:20:02,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:20:02,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 121 [2022-11-03 04:20:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:02,133 INFO L225 Difference]: With dead ends: 1159 [2022-11-03 04:20:02,133 INFO L226 Difference]: Without dead ends: 1157 [2022-11-03 04:20:02,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:20:02,134 INFO L413 NwaCegarLoop]: 1538 mSDtfsCounter, 1436 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 3074 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:02,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 3074 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:20:02,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-03 04:20:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1157. [2022-11-03 04:20:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 814 states have (on average 1.2923832923832923) internal successors, (1052), 847 states have internal predecessors, (1052), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1562 transitions. [2022-11-03 04:20:02,364 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1562 transitions. Word has length 121 [2022-11-03 04:20:02,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:02,365 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1562 transitions. [2022-11-03 04:20:02,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-03 04:20:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1562 transitions. [2022-11-03 04:20:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-03 04:20:02,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:02,368 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:02,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:02,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:02,583 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:02,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1131794795, now seen corresponding path program 1 times [2022-11-03 04:20:02,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:02,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540950588] [2022-11-03 04:20:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:02,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:02,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:02,586 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:02,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 04:20:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:04,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:20:04,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-03 04:20:04,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:20:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-03 04:20:06,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:06,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540950588] [2022-11-03 04:20:06,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [540950588] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:20:06,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2004618162] [2022-11-03 04:20:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:06,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 04:20:06,050 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 04:20:06,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2022-11-03 04:20:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:07,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:20:07,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-03 04:20:09,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:09,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2004618162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:09,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:20:09,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8, 8] total 10 [2022-11-03 04:20:09,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506385126] [2022-11-03 04:20:09,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:09,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:20:09,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:09,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:20:09,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:20:09,420 INFO L87 Difference]: Start difference. First operand 1157 states and 1562 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 04:20:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:09,727 INFO L93 Difference]: Finished difference Result 2253 states and 3066 transitions. [2022-11-03 04:20:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:20:09,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 161 [2022-11-03 04:20:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:09,732 INFO L225 Difference]: With dead ends: 2253 [2022-11-03 04:20:09,732 INFO L226 Difference]: Without dead ends: 1152 [2022-11-03 04:20:09,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:20:09,738 INFO L413 NwaCegarLoop]: 1507 mSDtfsCounter, 1451 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:09,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 1507 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:20:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-11-03 04:20:09,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152. [2022-11-03 04:20:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 809 states have (on average 1.2756489493201484) internal successors, (1032), 842 states have internal predecessors, (1032), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1542 transitions. [2022-11-03 04:20:09,944 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1542 transitions. Word has length 161 [2022-11-03 04:20:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:09,945 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1542 transitions. [2022-11-03 04:20:09,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 04:20:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1542 transitions. [2022-11-03 04:20:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-03 04:20:09,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:09,948 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:09,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:10,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:10,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:10,362 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:10,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:10,363 INFO L85 PathProgramCache]: Analyzing trace with hash -451736425, now seen corresponding path program 1 times [2022-11-03 04:20:10,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:10,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349804401] [2022-11-03 04:20:10,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:10,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:10,366 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:10,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 04:20:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:12,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:20:12,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-03 04:20:12,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:20:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-03 04:20:13,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:13,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349804401] [2022-11-03 04:20:13,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349804401] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:20:13,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [70440840] [2022-11-03 04:20:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:13,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 04:20:13,815 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 04:20:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-03 04:20:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:15,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:20:15,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-03 04:20:15,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:15,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [70440840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:15,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:20:15,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8, 8] total 10 [2022-11-03 04:20:15,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806315089] [2022-11-03 04:20:15,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:15,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:20:15,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:15,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:20:15,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:20:15,483 INFO L87 Difference]: Start difference. First operand 1152 states and 1542 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:20:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:15,757 INFO L93 Difference]: Finished difference Result 1900 states and 2502 transitions. [2022-11-03 04:20:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:20:15,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 161 [2022-11-03 04:20:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:15,761 INFO L225 Difference]: With dead ends: 1900 [2022-11-03 04:20:15,761 INFO L226 Difference]: Without dead ends: 1148 [2022-11-03 04:20:15,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:20:15,765 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 1498 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:15,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1514 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:20:15,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-03 04:20:15,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1148. [2022-11-03 04:20:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 806 states have (on average 1.2741935483870968) internal successors, (1027), 838 states have internal predecessors, (1027), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1537 transitions. [2022-11-03 04:20:15,984 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1537 transitions. Word has length 161 [2022-11-03 04:20:15,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:15,984 INFO L495 AbstractCegarLoop]: Abstraction has 1148 states and 1537 transitions. [2022-11-03 04:20:15,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 04:20:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1537 transitions. [2022-11-03 04:20:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 04:20:15,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:15,986 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:20:16,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:16,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2022-11-03 04:20:16,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:16,403 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:16,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:16,404 INFO L85 PathProgramCache]: Analyzing trace with hash -764613730, now seen corresponding path program 1 times [2022-11-03 04:20:16,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:16,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632050598] [2022-11-03 04:20:16,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:16,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:16,406 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:16,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 04:20:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:17,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:20:17,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:20:19,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:19,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:19,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632050598] [2022-11-03 04:20:19,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632050598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:19,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:20:19,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:20:19,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096774698] [2022-11-03 04:20:19,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:19,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:20:19,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:19,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:20:19,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:20:19,511 INFO L87 Difference]: Start difference. First operand 1148 states and 1537 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-03 04:20:19,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:19,704 INFO L93 Difference]: Finished difference Result 1148 states and 1537 transitions. [2022-11-03 04:20:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:20:19,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 127 [2022-11-03 04:20:19,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:19,709 INFO L225 Difference]: With dead ends: 1148 [2022-11-03 04:20:19,709 INFO L226 Difference]: Without dead ends: 1146 [2022-11-03 04:20:19,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:20:19,711 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 1403 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 3020 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:19,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 3020 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:20:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2022-11-03 04:20:19,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1146. [2022-11-03 04:20:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 805 states have (on average 1.2732919254658386) internal successors, (1025), 836 states have internal predecessors, (1025), 256 states have call successors, (256), 70 states have call predecessors, (256), 69 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1535 transitions. [2022-11-03 04:20:19,915 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1535 transitions. Word has length 127 [2022-11-03 04:20:19,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:19,915 INFO L495 AbstractCegarLoop]: Abstraction has 1146 states and 1535 transitions. [2022-11-03 04:20:19,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-03 04:20:19,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1535 transitions. [2022-11-03 04:20:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-03 04:20:19,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:19,918 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:19,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:20,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:20,143 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:20,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:20,144 INFO L85 PathProgramCache]: Analyzing trace with hash -980052538, now seen corresponding path program 1 times [2022-11-03 04:20:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:20,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878625660] [2022-11-03 04:20:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:20,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:20,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:20,147 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:20,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 04:20:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:21,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:20:21,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-03 04:20:22,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:20:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-03 04:20:23,574 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:23,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878625660] [2022-11-03 04:20:23,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1878625660] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:20:23,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [203606190] [2022-11-03 04:20:23,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:23,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:23,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 04:20:23,583 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 04:20:23,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2022-11-03 04:20:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:24,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 04:20:24,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-03 04:20:25,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:25,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [203606190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:25,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:20:25,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8, 8] total 10 [2022-11-03 04:20:25,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864364002] [2022-11-03 04:20:25,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:25,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:20:25,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:25,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:20:25,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:20:25,328 INFO L87 Difference]: Start difference. First operand 1146 states and 1535 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:20:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:25,605 INFO L93 Difference]: Finished difference Result 1896 states and 2492 transitions. [2022-11-03 04:20:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:20:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 167 [2022-11-03 04:20:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:25,611 INFO L225 Difference]: With dead ends: 1896 [2022-11-03 04:20:25,611 INFO L226 Difference]: Without dead ends: 1153 [2022-11-03 04:20:25,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:20:25,614 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 1485 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:25,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 1544 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:20:25,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2022-11-03 04:20:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1152. [2022-11-03 04:20:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 809 states have (on average 1.26946847960445) internal successors, (1027), 839 states have internal predecessors, (1027), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1537 transitions. [2022-11-03 04:20:25,817 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1537 transitions. Word has length 167 [2022-11-03 04:20:25,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:25,818 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1537 transitions. [2022-11-03 04:20:25,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 04:20:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1537 transitions. [2022-11-03 04:20:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-03 04:20:25,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:25,821 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:25,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:26,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:26,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:26,235 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1039156857, now seen corresponding path program 1 times [2022-11-03 04:20:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417281322] [2022-11-03 04:20:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:26,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:26,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:26,238 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:26,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 04:20:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:27,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:20:27,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-03 04:20:28,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:20:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-03 04:20:29,699 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:29,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417281322] [2022-11-03 04:20:29,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417281322] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:20:29,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [326737565] [2022-11-03 04:20:29,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:29,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:29,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 04:20:29,703 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 04:20:29,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-03 04:20:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:31,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 04:20:31,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-03 04:20:33,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:33,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [326737565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:33,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:20:33,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 13 [2022-11-03 04:20:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323174192] [2022-11-03 04:20:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:33,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:20:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:33,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:20:33,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-03 04:20:33,747 INFO L87 Difference]: Start difference. First operand 1152 states and 1537 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-03 04:20:38,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:38,492 INFO L93 Difference]: Finished difference Result 2234 states and 2994 transitions. [2022-11-03 04:20:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:20:38,493 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), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 169 [2022-11-03 04:20:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:38,498 INFO L225 Difference]: With dead ends: 2234 [2022-11-03 04:20:38,499 INFO L226 Difference]: Without dead ends: 1152 [2022-11-03 04:20:38,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-03 04:20:38,502 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 1432 mSDsluCounter, 4002 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 5506 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:38,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 5506 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 04:20:38,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-11-03 04:20:38,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152. [2022-11-03 04:20:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 809 states have (on average 1.2682323856613102) internal successors, (1026), 839 states have internal predecessors, (1026), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1536 transitions. [2022-11-03 04:20:38,747 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1536 transitions. Word has length 169 [2022-11-03 04:20:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:38,747 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1536 transitions. [2022-11-03 04:20:38,747 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), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-03 04:20:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1536 transitions. [2022-11-03 04:20:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-03 04:20:38,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:38,751 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:38,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:39,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:39,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:39,170 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:39,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:39,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1039097275, now seen corresponding path program 1 times [2022-11-03 04:20:39,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:39,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121500774] [2022-11-03 04:20:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:39,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:39,174 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:39,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 04:20:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:40,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:20:40,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-03 04:20:41,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:20:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-03 04:20:42,664 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:42,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121500774] [2022-11-03 04:20:42,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121500774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:20:42,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1431128817] [2022-11-03 04:20:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:42,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:42,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 04:20:42,665 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 04:20:42,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-11-03 04:20:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:45,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 04:20:45,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-03 04:20:46,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:46,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1431128817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:46,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 04:20:46,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8] total 13 [2022-11-03 04:20:46,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506889996] [2022-11-03 04:20:46,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:46,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:20:46,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:46,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:20:46,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-03 04:20:46,612 INFO L87 Difference]: Start difference. First operand 1152 states and 1536 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:20:47,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:47,184 INFO L93 Difference]: Finished difference Result 2272 states and 3047 transitions. [2022-11-03 04:20:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:20:47,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 169 [2022-11-03 04:20:47,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:47,190 INFO L225 Difference]: With dead ends: 2272 [2022-11-03 04:20:47,191 INFO L226 Difference]: Without dead ends: 1174 [2022-11-03 04:20:47,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-03 04:20:47,194 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 389 mSDsluCounter, 5679 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 7242 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:47,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 7242 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 04:20:47,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2022-11-03 04:20:47,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1152. [2022-11-03 04:20:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 809 states have (on average 1.2669962917181705) internal successors, (1025), 838 states have internal predecessors, (1025), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1535 transitions. [2022-11-03 04:20:47,405 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1535 transitions. Word has length 169 [2022-11-03 04:20:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:47,407 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1535 transitions. [2022-11-03 04:20:47,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:20:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1535 transitions. [2022-11-03 04:20:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-03 04:20:47,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:47,408 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:47,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:47,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:47,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 04:20:47,809 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:47,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1043772952, now seen corresponding path program 1 times [2022-11-03 04:20:47,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:47,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664558492] [2022-11-03 04:20:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:47,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:47,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:47,812 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:47,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 04:20:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:49,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:20:49,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-03 04:20:49,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:49,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:49,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664558492] [2022-11-03 04:20:49,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664558492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:49,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:20:49,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:20:49,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047676083] [2022-11-03 04:20:49,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:49,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:20:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:20:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:20:49,856 INFO L87 Difference]: Start difference. First operand 1152 states and 1535 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 04:20:50,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:50,094 INFO L93 Difference]: Finished difference Result 1152 states and 1535 transitions. [2022-11-03 04:20:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:20:50,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 173 [2022-11-03 04:20:50,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:50,100 INFO L225 Difference]: With dead ends: 1152 [2022-11-03 04:20:50,100 INFO L226 Difference]: Without dead ends: 1150 [2022-11-03 04:20:50,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:20:50,101 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 7 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:50,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4500 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:20:50,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-11-03 04:20:50,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1150. [2022-11-03 04:20:50,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 808 states have (on average 1.266089108910891) internal successors, (1023), 836 states have internal predecessors, (1023), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1533 transitions. [2022-11-03 04:20:50,271 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1533 transitions. Word has length 173 [2022-11-03 04:20:50,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:50,272 INFO L495 AbstractCegarLoop]: Abstraction has 1150 states and 1533 transitions. [2022-11-03 04:20:50,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 04:20:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1533 transitions. [2022-11-03 04:20:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 04:20:50,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:50,274 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:20:50,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:50,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:50,487 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:50,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:50,487 INFO L85 PathProgramCache]: Analyzing trace with hash 850371757, now seen corresponding path program 1 times [2022-11-03 04:20:50,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:50,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033169088] [2022-11-03 04:20:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:50,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:50,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:50,490 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:50,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 04:20:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:51,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:20:51,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:20:53,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:53,656 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:53,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033169088] [2022-11-03 04:20:53,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033169088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:53,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:20:53,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:20:53,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047477779] [2022-11-03 04:20:53,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:53,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:20:53,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:53,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:20:53,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:20:53,658 INFO L87 Difference]: Start difference. First operand 1150 states and 1533 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-03 04:20:53,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:53,883 INFO L93 Difference]: Finished difference Result 1150 states and 1533 transitions. [2022-11-03 04:20:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:20:53,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2022-11-03 04:20:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:53,888 INFO L225 Difference]: With dead ends: 1150 [2022-11-03 04:20:53,888 INFO L226 Difference]: Without dead ends: 1148 [2022-11-03 04:20:53,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:20:53,889 INFO L413 NwaCegarLoop]: 1500 mSDtfsCounter, 1386 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 2998 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:53,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 2998 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:20:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-11-03 04:20:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1148. [2022-11-03 04:20:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 807 states have (on average 1.265179677819083) internal successors, (1021), 834 states have internal predecessors, (1021), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1531 transitions. [2022-11-03 04:20:54,171 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1531 transitions. Word has length 133 [2022-11-03 04:20:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:54,171 INFO L495 AbstractCegarLoop]: Abstraction has 1148 states and 1531 transitions. [2022-11-03 04:20:54,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-03 04:20:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1531 transitions. [2022-11-03 04:20:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-03 04:20:54,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:54,173 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 04:20:54,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:54,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:54,383 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:54,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:54,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2068044050, now seen corresponding path program 1 times [2022-11-03 04:20:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:54,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141664659] [2022-11-03 04:20:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:54,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:54,386 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-03 04:20:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:20:56,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:20:56,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:20:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-03 04:20:58,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:20:58,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:20:58,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141664659] [2022-11-03 04:20:58,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141664659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:58,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:20:58,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 04:20:58,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574978953] [2022-11-03 04:20:58,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:58,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:20:58,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:20:58,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:20:58,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:20:58,613 INFO L87 Difference]: Start difference. First operand 1148 states and 1531 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-03 04:20:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:20:58,788 INFO L93 Difference]: Finished difference Result 2222 states and 2979 transitions. [2022-11-03 04:20:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:20:58,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (20), 1 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 180 [2022-11-03 04:20:58,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:20:58,796 INFO L225 Difference]: With dead ends: 2222 [2022-11-03 04:20:58,797 INFO L226 Difference]: Without dead ends: 1144 [2022-11-03 04:20:58,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:20:58,801 INFO L413 NwaCegarLoop]: 1496 mSDtfsCounter, 1405 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:20:58,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 1496 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:20:58,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-11-03 04:20:59,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2022-11-03 04:20:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 804 states have (on average 1.263681592039801) internal successors, (1016), 830 states have internal predecessors, (1016), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:20:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1526 transitions. [2022-11-03 04:20:59,026 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1526 transitions. Word has length 180 [2022-11-03 04:20:59,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:20:59,027 INFO L495 AbstractCegarLoop]: Abstraction has 1144 states and 1526 transitions. [2022-11-03 04:20:59,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-03 04:20:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1526 transitions. [2022-11-03 04:20:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 04:20:59,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:20:59,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:20:59,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-03 04:20:59,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:20:59,228 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:20:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:20:59,229 INFO L85 PathProgramCache]: Analyzing trace with hash 428495296, now seen corresponding path program 1 times [2022-11-03 04:20:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:20:59,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898608055] [2022-11-03 04:20:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:20:59,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:20:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:20:59,231 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:20:59,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 04:21:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:00,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:00,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:21:02,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:02,464 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:02,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898608055] [2022-11-03 04:21:02,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898608055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:02,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:02,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:21:02,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911846388] [2022-11-03 04:21:02,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:02,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:21:02,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:02,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:21:02,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:21:02,466 INFO L87 Difference]: Start difference. First operand 1144 states and 1526 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-03 04:21:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:02,701 INFO L93 Difference]: Finished difference Result 1144 states and 1526 transitions. [2022-11-03 04:21:02,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:21:02,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2022-11-03 04:21:02,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:02,707 INFO L225 Difference]: With dead ends: 1144 [2022-11-03 04:21:02,707 INFO L226 Difference]: Without dead ends: 1142 [2022-11-03 04:21:02,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:21:02,708 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 1373 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:02,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 2984 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:21:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-11-03 04:21:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1142. [2022-11-03 04:21:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 803 states have (on average 1.2627646326276463) internal successors, (1014), 828 states have internal predecessors, (1014), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:21:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1524 transitions. [2022-11-03 04:21:02,924 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1524 transitions. Word has length 139 [2022-11-03 04:21:02,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:02,925 INFO L495 AbstractCegarLoop]: Abstraction has 1142 states and 1524 transitions. [2022-11-03 04:21:02,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-03 04:21:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1524 transitions. [2022-11-03 04:21:02,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-03 04:21:02,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:02,927 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:02,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:03,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:03,143 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:03,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:03,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1644706137, now seen corresponding path program 1 times [2022-11-03 04:21:03,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:03,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205513958] [2022-11-03 04:21:03,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:03,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:03,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:03,151 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:03,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 04:21:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:04,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:04,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:21:06,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:06,877 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:06,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205513958] [2022-11-03 04:21:06,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205513958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:06,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:06,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:21:06,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840354810] [2022-11-03 04:21:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:06,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:21:06,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:21:06,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:21:06,879 INFO L87 Difference]: Start difference. First operand 1142 states and 1524 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 04:21:07,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:07,132 INFO L93 Difference]: Finished difference Result 1142 states and 1524 transitions. [2022-11-03 04:21:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:21:07,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2022-11-03 04:21:07,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:07,137 INFO L225 Difference]: With dead ends: 1142 [2022-11-03 04:21:07,138 INFO L226 Difference]: Without dead ends: 1140 [2022-11-03 04:21:07,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:21:07,139 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 1365 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 2980 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:07,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2980 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:21:07,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-11-03 04:21:07,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1140. [2022-11-03 04:21:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 802 states have (on average 1.2618453865336658) internal successors, (1012), 826 states have internal predecessors, (1012), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:21:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1522 transitions. [2022-11-03 04:21:07,331 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1522 transitions. Word has length 145 [2022-11-03 04:21:07,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:07,332 INFO L495 AbstractCegarLoop]: Abstraction has 1140 states and 1522 transitions. [2022-11-03 04:21:07,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 04:21:07,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1522 transitions. [2022-11-03 04:21:07,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-03 04:21:07,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:07,333 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:07,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:07,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:07,534 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:07,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:07,535 INFO L85 PathProgramCache]: Analyzing trace with hash 939230556, now seen corresponding path program 1 times [2022-11-03 04:21:07,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:07,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503560764] [2022-11-03 04:21:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:07,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:07,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:07,537 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:07,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 04:21:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:08,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:08,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:21:10,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:10,951 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:10,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503560764] [2022-11-03 04:21:10,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503560764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:10,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:10,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:21:10,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69349486] [2022-11-03 04:21:10,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:10,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:21:10,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:10,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:21:10,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:21:10,953 INFO L87 Difference]: Start difference. First operand 1140 states and 1522 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-03 04:21:11,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:11,212 INFO L93 Difference]: Finished difference Result 1140 states and 1522 transitions. [2022-11-03 04:21:11,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:21:11,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2022-11-03 04:21:11,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:11,218 INFO L225 Difference]: With dead ends: 1140 [2022-11-03 04:21:11,218 INFO L226 Difference]: Without dead ends: 1138 [2022-11-03 04:21:11,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:21:11,219 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 1357 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 2976 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:11,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 2976 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:21:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2022-11-03 04:21:11,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2022-11-03 04:21:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 801 states have (on average 1.260923845193508) internal successors, (1010), 824 states have internal predecessors, (1010), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:21:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1520 transitions. [2022-11-03 04:21:11,425 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1520 transitions. Word has length 151 [2022-11-03 04:21:11,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:11,425 INFO L495 AbstractCegarLoop]: Abstraction has 1138 states and 1520 transitions. [2022-11-03 04:21:11,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-03 04:21:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1520 transitions. [2022-11-03 04:21:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-03 04:21:11,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:11,428 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:11,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:11,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:11,643 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:11,643 INFO L85 PathProgramCache]: Analyzing trace with hash 278439325, now seen corresponding path program 1 times [2022-11-03 04:21:11,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:11,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979620435] [2022-11-03 04:21:11,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:11,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:11,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:11,647 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:11,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-03 04:21:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:13,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:13,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:21:15,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:15,319 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:15,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979620435] [2022-11-03 04:21:15,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979620435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:15,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:15,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:21:15,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700707113] [2022-11-03 04:21:15,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:15,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:21:15,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:15,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:21:15,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:21:15,323 INFO L87 Difference]: Start difference. First operand 1138 states and 1520 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-03 04:21:15,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:15,627 INFO L93 Difference]: Finished difference Result 1138 states and 1520 transitions. [2022-11-03 04:21:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:21:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2022-11-03 04:21:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:15,633 INFO L225 Difference]: With dead ends: 1138 [2022-11-03 04:21:15,633 INFO L226 Difference]: Without dead ends: 1136 [2022-11-03 04:21:15,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:21:15,635 INFO L413 NwaCegarLoop]: 1487 mSDtfsCounter, 1349 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:15,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 2972 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:21:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-11-03 04:21:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1136. [2022-11-03 04:21:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 800 states have (on average 1.26) internal successors, (1008), 822 states have internal predecessors, (1008), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:21:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1518 transitions. [2022-11-03 04:21:15,865 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1518 transitions. Word has length 157 [2022-11-03 04:21:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:15,865 INFO L495 AbstractCegarLoop]: Abstraction has 1136 states and 1518 transitions. [2022-11-03 04:21:15,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-03 04:21:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1518 transitions. [2022-11-03 04:21:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-03 04:21:15,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:15,867 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:15,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:16,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:16,083 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:16,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1340808372, now seen corresponding path program 1 times [2022-11-03 04:21:16,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:16,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085337073] [2022-11-03 04:21:16,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:16,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:16,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:16,086 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:16,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 04:21:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:17,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:17,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:21:19,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:19,630 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:19,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085337073] [2022-11-03 04:21:19,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085337073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:19,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:19,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:21:19,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229699295] [2022-11-03 04:21:19,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:19,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:21:19,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:19,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:21:19,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:21:19,632 INFO L87 Difference]: Start difference. First operand 1136 states and 1518 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-03 04:21:19,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:19,903 INFO L93 Difference]: Finished difference Result 1136 states and 1518 transitions. [2022-11-03 04:21:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:21:19,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2022-11-03 04:21:19,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:19,908 INFO L225 Difference]: With dead ends: 1136 [2022-11-03 04:21:19,908 INFO L226 Difference]: Without dead ends: 1134 [2022-11-03 04:21:19,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:21:19,909 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 1341 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 2968 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:19,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 2968 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:21:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-11-03 04:21:20,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1134. [2022-11-03 04:21:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 799 states have (on average 1.2590738423028787) internal successors, (1006), 820 states have internal predecessors, (1006), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (254), 253 states have call predecessors, (254), 254 states have call successors, (254) [2022-11-03 04:21:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1516 transitions. [2022-11-03 04:21:20,121 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1516 transitions. Word has length 163 [2022-11-03 04:21:20,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:20,122 INFO L495 AbstractCegarLoop]: Abstraction has 1134 states and 1516 transitions. [2022-11-03 04:21:20,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-03 04:21:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1516 transitions. [2022-11-03 04:21:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-03 04:21:20,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:20,124 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:20,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:20,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:20,347 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:20,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:20,347 INFO L85 PathProgramCache]: Analyzing trace with hash -238826231, now seen corresponding path program 1 times [2022-11-03 04:21:20,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:20,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504661228] [2022-11-03 04:21:20,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:20,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:20,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:20,357 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:20,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-03 04:21:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:22,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 04:21:22,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-03 04:21:23,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:23,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:23,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504661228] [2022-11-03 04:21:23,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504661228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:23,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:23,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 04:21:23,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396363675] [2022-11-03 04:21:23,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:23,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 04:21:23,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:23,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 04:21:23,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 04:21:23,523 INFO L87 Difference]: Start difference. First operand 1134 states and 1516 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 04:21:26,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:21:29,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:21:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:29,873 INFO L93 Difference]: Finished difference Result 2359 states and 3191 transitions. [2022-11-03 04:21:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 04:21:29,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 209 [2022-11-03 04:21:29,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:29,880 INFO L225 Difference]: With dead ends: 2359 [2022-11-03 04:21:29,881 INFO L226 Difference]: Without dead ends: 1301 [2022-11-03 04:21:29,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 04:21:29,884 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 436 mSDsluCounter, 11355 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 276 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 13082 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:29,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 13082 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 79 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 04:21:29,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2022-11-03 04:21:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1142. [2022-11-03 04:21:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 806 states have (on average 1.2568238213399503) internal successors, (1013), 827 states have internal predecessors, (1013), 256 states have call successors, (256), 73 states have call predecessors, (256), 73 states have return successors, (256), 254 states have call predecessors, (256), 254 states have call successors, (256) [2022-11-03 04:21:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1525 transitions. [2022-11-03 04:21:30,284 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1525 transitions. Word has length 209 [2022-11-03 04:21:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:30,284 INFO L495 AbstractCegarLoop]: Abstraction has 1142 states and 1525 transitions. [2022-11-03 04:21:30,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 04:21:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1525 transitions. [2022-11-03 04:21:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-03 04:21:30,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:30,287 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:30,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:30,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:30,503 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:30,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1621684802, now seen corresponding path program 1 times [2022-11-03 04:21:30,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:30,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585318583] [2022-11-03 04:21:30,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:30,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:30,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:30,506 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:30,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 04:21:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:31,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:31,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:21:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 04:21:34,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:21:34,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 04:21:34,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585318583] [2022-11-03 04:21:34,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585318583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:21:34,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:21:34,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:21:34,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563698102] [2022-11-03 04:21:34,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:21:34,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:21:34,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 04:21:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:21:34,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:21:34,821 INFO L87 Difference]: Start difference. First operand 1142 states and 1525 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 04:21:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:21:35,189 INFO L93 Difference]: Finished difference Result 1142 states and 1525 transitions. [2022-11-03 04:21:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:21:35,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2022-11-03 04:21:35,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:21:35,194 INFO L225 Difference]: With dead ends: 1142 [2022-11-03 04:21:35,194 INFO L226 Difference]: Without dead ends: 1140 [2022-11-03 04:21:35,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:21:35,195 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 1333 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 2964 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:21:35,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 2964 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:21:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-11-03 04:21:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1140. [2022-11-03 04:21:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 805 states have (on average 1.2559006211180124) internal successors, (1011), 825 states have internal predecessors, (1011), 256 states have call successors, (256), 73 states have call predecessors, (256), 73 states have return successors, (256), 254 states have call predecessors, (256), 254 states have call successors, (256) [2022-11-03 04:21:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1523 transitions. [2022-11-03 04:21:35,450 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1523 transitions. Word has length 169 [2022-11-03 04:21:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:21:35,450 INFO L495 AbstractCegarLoop]: Abstraction has 1140 states and 1523 transitions. [2022-11-03 04:21:35,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 04:21:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1523 transitions. [2022-11-03 04:21:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-03 04:21:35,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:21:35,452 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:21:35,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 04:21:35,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 04:21:35,667 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 04:21:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:21:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash 438419353, now seen corresponding path program 1 times [2022-11-03 04:21:35,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 04:21:35,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576171161] [2022-11-03 04:21:35,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:21:35,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 04:21:35,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 04:21:35,670 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 04:21:35,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfc002b6-e9aa-4074-bacd-345941404661/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 04:21:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:21:37,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:21:37,103 INFO L286 TraceCheckSpWp]: Computing forward predicates...