./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--net--wireless--ath--ar5523--ar5523.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:43:35,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:43:35,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:43:35,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:43:35,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:43:35,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:43:35,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:43:35,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:43:35,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:43:35,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:43:35,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:43:35,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:43:35,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:43:35,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:43:35,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:43:35,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:43:35,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:43:35,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:43:35,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:43:35,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:43:35,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:43:35,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:43:35,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:43:35,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:43:35,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:43:35,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:43:35,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:43:35,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:43:35,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:43:35,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:43:35,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:43:35,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:43:35,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:43:35,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:43:35,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:43:35,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:43:35,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:43:35,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:43:35,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:43:35,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:43:35,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:43:35,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:43:35,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:43:35,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:43:35,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:43:35,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:43:35,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:43:35,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:43:35,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:43:35,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:43:35,668 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:43:35,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:43:35,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:43:35,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:43:35,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:43:35,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:43:35,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:43:35,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:43:35,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:43:35,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:43:35,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:43:35,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:43:35,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:43:35,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:35,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:43:35,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:43:35,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:43:35,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:43:35,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:43:35,673 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:43:35,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:43:35,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:43:35,674 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_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af [2022-11-18 18:43:35,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:43:36,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:43:36,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:43:36,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:43:36,016 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:43:36,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-18 18:43:36,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/data/d2c9abd53/4775cbbffc3a4889a87b350343c5b0ea/FLAG0c13d613a [2022-11-18 18:43:37,106 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:43:37,107 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-18 18:43:37,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/data/d2c9abd53/4775cbbffc3a4889a87b350343c5b0ea/FLAG0c13d613a [2022-11-18 18:43:37,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/data/d2c9abd53/4775cbbffc3a4889a87b350343c5b0ea [2022-11-18 18:43:37,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:43:37,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:43:37,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:37,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:43:37,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:43:37,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:37" (1/1) ... [2022-11-18 18:43:37,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1218043d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:37, skipping insertion in model container [2022-11-18 18:43:37,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:37" (1/1) ... [2022-11-18 18:43:37,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:43:37,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:43:43,071 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-18 18:43:43,075 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-18 18:43:43,076 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-18 18:43:43,077 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-18 18:43:43,077 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-18 18:43:43,078 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-18 18:43:43,078 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-18 18:43:43,079 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-18 18:43:43,079 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-18 18:43:43,080 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-18 18:43:43,080 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-18 18:43:43,081 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-18 18:43:43,081 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-18 18:43:43,082 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-18 18:43:43,082 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-18 18:43:43,083 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-18 18:43:43,083 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-18 18:43:43,084 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-18 18:43:43,084 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-18 18:43:43,085 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-18 18:43:43,085 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-18 18:43:43,086 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-18 18:43:43,086 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-18 18:43:43,087 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-18 18:43:43,087 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-18 18:43:43,088 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-18 18:43:43,088 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-18 18:43:43,089 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-18 18:43:43,089 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-18 18:43:43,090 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-18 18:43:43,090 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-18 18:43:43,091 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-18 18:43:43,091 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-18 18:43:43,092 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-18 18:43:43,092 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-18 18:43:43,093 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-18 18:43:43,093 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-18 18:43:43,094 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-18 18:43:43,094 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-18 18:43:43,095 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-18 18:43:43,095 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-18 18:43:43,096 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-18 18:43:43,096 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-18 18:43:43,097 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-18 18:43:43,097 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-18 18:43:43,098 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-18 18:43:43,098 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-18 18:43:43,099 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-18 18:43:43,099 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-18 18:43:43,099 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-18 18:43:43,100 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-18 18:43:43,100 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-18 18:43:43,101 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-18 18:43:43,101 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-18 18:43:43,102 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-18 18:43:43,102 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-18 18:43:43,102 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-18 18:43:43,103 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-18 18:43:43,103 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-18 18:43:43,104 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-18 18:43:43,104 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-18 18:43:43,105 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-18 18:43:43,105 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-18 18:43:43,105 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-18 18:43:43,106 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-18 18:43:43,106 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-18 18:43:43,107 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-18 18:43:43,107 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-18 18:43:43,108 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-18 18:43:43,108 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-18 18:43:43,109 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-18 18:43:43,109 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-18 18:43:43,110 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-18 18:43:43,110 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-18 18:43:43,110 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-18 18:43:43,111 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-18 18:43:43,111 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-18 18:43:43,112 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-18 18:43:43,112 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-18 18:43:43,113 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-18 18:43:43,113 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-18 18:43:43,114 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-18 18:43:43,114 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-18 18:43:43,115 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-18 18:43:43,115 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-18 18:43:43,115 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-18 18:43:43,116 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-18 18:43:43,116 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-18 18:43:43,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:43,180 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:43:43,668 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-18 18:43:43,669 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-18 18:43:43,670 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-18 18:43:43,671 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-18 18:43:43,671 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-18 18:43:43,672 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-18 18:43:43,672 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-18 18:43:43,673 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-18 18:43:43,674 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-18 18:43:43,675 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-18 18:43:43,675 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-18 18:43:43,676 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-18 18:43:43,677 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-18 18:43:43,677 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-18 18:43:43,678 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-18 18:43:43,678 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-18 18:43:43,679 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-18 18:43:43,679 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-18 18:43:43,680 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-18 18:43:43,681 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-18 18:43:43,681 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-18 18:43:43,682 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-18 18:43:43,682 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-18 18:43:43,683 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-18 18:43:43,684 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-18 18:43:43,684 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-18 18:43:43,685 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-18 18:43:43,685 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-18 18:43:43,685 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-18 18:43:43,686 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-18 18:43:43,686 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-18 18:43:43,688 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-18 18:43:43,688 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-18 18:43:43,689 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-18 18:43:43,689 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-18 18:43:43,690 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-18 18:43:43,690 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-18 18:43:43,691 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-18 18:43:43,692 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-18 18:43:43,692 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-18 18:43:43,693 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-18 18:43:43,695 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-18 18:43:43,695 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-18 18:43:43,696 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-18 18:43:43,696 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-18 18:43:43,696 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-18 18:43:43,697 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-18 18:43:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-18 18:43:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-18 18:43:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-18 18:43:43,699 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-18 18:43:43,699 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-18 18:43:43,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-18 18:43:43,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-18 18:43:43,701 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-18 18:43:43,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-18 18:43:43,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-18 18:43:43,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-18 18:43:43,703 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-18 18:43:43,704 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-18 18:43:43,709 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-18 18:43:43,709 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-18 18:43:43,710 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-18 18:43:43,711 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-18 18:43:43,715 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-18 18:43:43,715 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-18 18:43:43,715 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-18 18:43:43,716 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-18 18:43:43,717 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-18 18:43:43,718 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-18 18:43:43,719 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-18 18:43:43,720 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-18 18:43:43,720 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-18 18:43:43,726 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-18 18:43:43,727 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-18 18:43:43,727 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-18 18:43:43,728 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-18 18:43:43,732 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-18 18:43:43,733 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-18 18:43:43,734 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-18 18:43:43,735 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-18 18:43:43,736 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-18 18:43:43,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-18 18:43:43,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-18 18:43:43,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-18 18:43:43,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-18 18:43:43,739 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-18 18:43:43,739 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-18 18:43:43,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:44,084 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:43:44,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44 WrapperNode [2022-11-18 18:43:44,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:44,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:44,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:43:44,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:43:44,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,557 INFO L138 Inliner]: procedures = 687, calls = 4509, calls flagged for inlining = 318, calls inlined = 208, statements flattened = 7257 [2022-11-18 18:43:44,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:44,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:43:44,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:43:44,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:43:44,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:44,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:45,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:45,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:43:45,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:43:45,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:43:45,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:43:45,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (1/1) ... [2022-11-18 18:43:45,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:45,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:43:45,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:43:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 18:43:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 18:43:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 18:43:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 18:43:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-11-18 18:43:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-11-18 18:43:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:43:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:43:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 18:43:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 18:43:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-18 18:43:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-18 18:43:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_cmd [2022-11-18 18:43:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_cmd [2022-11-18 18:43:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 18:43:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 18:43:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_capability [2022-11-18 18:43:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_capability [2022-11-18 18:43:45,200 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 18:43:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 18:43:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 18:43:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 18:43:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 18:43:45,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 18:43:45,201 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_rxfilter [2022-11-18 18:43:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_rxfilter [2022-11-18 18:43:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_start [2022-11-18 18:43:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_start [2022-11-18 18:43:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-18 18:43:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-18 18:43:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:43:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:43:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_write [2022-11-18 18:43:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_write [2022-11-18 18:43:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-18 18:43:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-18 18:43:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_status [2022-11-18 18:43:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_status [2022-11-18 18:43:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 18:43:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 18:43:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:43:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:43:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 18:43:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 18:43:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:43:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:43:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_config [2022-11-18 18:43:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_config [2022-11-18 18:43:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-11-18 18:43:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-11-18 18:43:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:43:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 18:43:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 18:43:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 18:43:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 18:43:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:43:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:43:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 18:43:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 18:43:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-18 18:43:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-18 18:43:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_data_tx_pkt_put [2022-11-18 18:43:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_data_tx_pkt_put [2022-11-18 18:43:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:43:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_create_rateset [2022-11-18 18:43:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_create_rateset [2022-11-18 18:43:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 18:43:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 18:43:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_ledsteady [2022-11-18 18:43:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_ledsteady [2022-11-18 18:43:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:43:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 18:43:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 18:43:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 18:43:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 18:43:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_bufs [2022-11-18 18:43:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_bufs [2022-11-18 18:43:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 18:43:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 18:43:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:43:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 18:43:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 18:43:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 18:43:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 18:43:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:43:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:43:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-11-18 18:43:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-11-18 18:43:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 18:43:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 18:43:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 18:43:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 18:43:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 18:43:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 18:43:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_disconnect [2022-11-18 18:43:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_disconnect [2022-11-18 18:43:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 18:43:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 18:43:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 18:43:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 18:43:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 18:43:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 18:43:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:43:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 18:43:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 18:43:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 18:43:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 18:43:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:43:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-18 18:43:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-18 18:43:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 18:43:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 18:43:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:43:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 18:43:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 18:43:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 18:43:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 18:43:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-18 18:43:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-18 18:43:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 18:43:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 18:43:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 18:43:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 18:43:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 18:43:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 18:43:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-11-18 18:43:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-11-18 18:43:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 18:43:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 18:43:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-11-18 18:43:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-11-18 18:43:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:43:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:43:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 18:43:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 18:43:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_submit_rx_cmd [2022-11-18 18:43:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_submit_rx_cmd [2022-11-18 18:43:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:43:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:43:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:43:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:43:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 18:43:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 18:43:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 18:43:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 18:43:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-18 18:43:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-18 18:43:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_143 [2022-11-18 18:43:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_143 [2022-11-18 18:43:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-18 18:43:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-18 18:43:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_read [2022-11-18 18:43:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_read [2022-11-18 18:43:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 18:43:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 18:43:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_131 [2022-11-18 18:43:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_131 [2022-11-18 18:43:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 18:43:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 18:43:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-11-18 18:43:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-11-18 18:43:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 18:43:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 18:43:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:43:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:43:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 18:43:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 18:43:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-18 18:43:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-18 18:43:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 18:43:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 18:43:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_cmd [2022-11-18 18:43:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_cmd [2022-11-18 18:43:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:43:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 18:43:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 18:43:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 18:43:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 18:43:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_switch_chan [2022-11-18 18:43:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_switch_chan [2022-11-18 18:43:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-18 18:43:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-18 18:43:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:43:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-18 18:43:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-18 18:43:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:43:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_tx_work_locked [2022-11-18 18:43:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_tx_work_locked [2022-11-18 18:43:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 18:43:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 18:43:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 18:43:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 18:43:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 18:43:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 18:43:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 18:43:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 18:43:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 18:43:45,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 18:43:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 18:43:45,235 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 18:43:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-18 18:43:45,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-18 18:43:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-18 18:43:45,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-18 18:43:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-18 18:43:45,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-18 18:43:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 18:43:45,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 18:43:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-18 18:43:45,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-18 18:43:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_stop [2022-11-18 18:43:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_stop [2022-11-18 18:43:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 18:43:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 18:43:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 18:43:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 18:43:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_flush_tx [2022-11-18 18:43:45,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_flush_tx [2022-11-18 18:43:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 18:43:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 18:43:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_bufs [2022-11-18 18:43:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_bufs [2022-11-18 18:43:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 18:43:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 18:43:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 18:43:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 18:43:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:43:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:43:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-18 18:43:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-18 18:43:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:43:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 18:43:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 18:43:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:43:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:43:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 18:43:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 18:43:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 18:43:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 18:43:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-18 18:43:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-18 18:43:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 18:43:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 18:43:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_tx_cmd [2022-11-18 18:43:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_tx_cmd [2022-11-18 18:43:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 18:43:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 18:43:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-18 18:43:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-18 18:43:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 18:43:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 18:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 18:43:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 18:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-18 18:43:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-18 18:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-18 18:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:43:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd [2022-11-18 18:43:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd [2022-11-18 18:43:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-18 18:43:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-18 18:43:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 18:43:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 18:43:46,210 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:43:46,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:43:46,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:43:54,535 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:43:54,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:43:54,553 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:43:54,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:54 BoogieIcfgContainer [2022-11-18 18:43:54,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:43:54,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:43:54,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:43:54,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:43:54,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:43:37" (1/3) ... [2022-11-18 18:43:54,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10950d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:54, skipping insertion in model container [2022-11-18 18:43:54,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:44" (2/3) ... [2022-11-18 18:43:54,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10950d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:54, skipping insertion in model container [2022-11-18 18:43:54,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:54" (3/3) ... [2022-11-18 18:43:54,567 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-18 18:43:54,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:43:54,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-18 18:43:54,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:43:54,700 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@395d5338, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:43:54,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-18 18:43:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 1867 states, 1190 states have (on average 1.2571428571428571) internal successors, (1496), 1245 states have internal predecessors, (1496), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) [2022-11-18 18:43:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 18:43:54,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:54,723 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] [2022-11-18 18:43:54,723 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 32 more)] === [2022-11-18 18:43:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:54,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1760799972, now seen corresponding path program 1 times [2022-11-18 18:43:54,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:54,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092000714] [2022-11-18 18:43:54,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:54,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:43:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:43:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:43:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:43:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:43:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:43:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:43:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:43:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:43:57,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:57,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092000714] [2022-11-18 18:43:57,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092000714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:57,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:57,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:43:57,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137090074] [2022-11-18 18:43:57,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:57,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:57,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:57,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:57,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:57,374 INFO L87 Difference]: Start difference. First operand has 1867 states, 1190 states have (on average 1.2571428571428571) internal successors, (1496), 1245 states have internal predecessors, (1496), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:44:06,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:06,557 INFO L93 Difference]: Finished difference Result 3659 states and 5164 transitions. [2022-11-18 18:44:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:06,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2022-11-18 18:44:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:06,600 INFO L225 Difference]: With dead ends: 3659 [2022-11-18 18:44:06,600 INFO L226 Difference]: Without dead ends: 1850 [2022-11-18 18:44:06,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:06,627 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 3357 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 3403 mSolverCounterSat, 1918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3644 SdHoareTripleChecker+Valid, 3445 SdHoareTripleChecker+Invalid, 5321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1918 IncrementalHoareTripleChecker+Valid, 3403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:06,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3644 Valid, 3445 Invalid, 5321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1918 Valid, 3403 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-18 18:44:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-11-18 18:44:06,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1850. [2022-11-18 18:44:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1180 states have (on average 1.2228813559322034) internal successors, (1443), 1231 states have internal predecessors, (1443), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:44:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2473 transitions. [2022-11-18 18:44:06,901 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2473 transitions. Word has length 71 [2022-11-18 18:44:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:06,903 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2473 transitions. [2022-11-18 18:44:06,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:44:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2473 transitions. [2022-11-18 18:44:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 18:44:06,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:06,907 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] [2022-11-18 18:44:06,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:44:06,908 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 32 more)] === [2022-11-18 18:44:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:06,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2069830518, now seen corresponding path program 1 times [2022-11-18 18:44:06,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:06,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787819568] [2022-11-18 18:44:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:06,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:44:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:44:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:44:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:44:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:44:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:44:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:44:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:44:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:44:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:44:08,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:08,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787819568] [2022-11-18 18:44:08,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787819568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:08,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:08,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:08,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121233551] [2022-11-18 18:44:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:08,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:08,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:08,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:08,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:08,747 INFO L87 Difference]: Start difference. First operand 1850 states and 2473 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 18:44:17,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:17,534 INFO L93 Difference]: Finished difference Result 1850 states and 2473 transitions. [2022-11-18 18:44:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:17,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2022-11-18 18:44:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:17,547 INFO L225 Difference]: With dead ends: 1850 [2022-11-18 18:44:17,548 INFO L226 Difference]: Without dead ends: 1848 [2022-11-18 18:44:17,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:17,551 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3325 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3381 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3609 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:17,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3609 Valid, 3419 Invalid, 5291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1910 Valid, 3381 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-18 18:44:17,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2022-11-18 18:44:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1848. [2022-11-18 18:44:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1179 states have (on average 1.2222222222222223) internal successors, (1441), 1229 states have internal predecessors, (1441), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:44:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2471 transitions. [2022-11-18 18:44:17,716 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2471 transitions. Word has length 77 [2022-11-18 18:44:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:17,717 INFO L495 AbstractCegarLoop]: Abstraction has 1848 states and 2471 transitions. [2022-11-18 18:44:17,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 18:44:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2471 transitions. [2022-11-18 18:44:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 18:44:17,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:17,720 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] [2022-11-18 18:44:17,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:44:17,720 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 32 more)] === [2022-11-18 18:44:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash 282438909, now seen corresponding path program 1 times [2022-11-18 18:44:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:17,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711932404] [2022-11-18 18:44:17,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:44:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:44:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:44:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:44:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:44:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:44:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:44:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:44:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:44:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:44:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:44:19,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:19,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711932404] [2022-11-18 18:44:19,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711932404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:19,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:19,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:19,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972959051] [2022-11-18 18:44:19,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:19,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:19,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:19,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:19,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:19,166 INFO L87 Difference]: Start difference. First operand 1848 states and 2471 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:44:27,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:27,781 INFO L93 Difference]: Finished difference Result 1848 states and 2471 transitions. [2022-11-18 18:44:27,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:27,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2022-11-18 18:44:27,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:27,803 INFO L225 Difference]: With dead ends: 1848 [2022-11-18 18:44:27,804 INFO L226 Difference]: Without dead ends: 1846 [2022-11-18 18:44:27,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:27,813 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3319 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:27,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3602 Valid, 3419 Invalid, 5287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1910 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-18 18:44:27,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-11-18 18:44:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2022-11-18 18:44:27,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1178 states have (on average 1.2215619694397284) internal successors, (1439), 1227 states have internal predecessors, (1439), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:44:27,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2469 transitions. [2022-11-18 18:44:27,958 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2469 transitions. Word has length 83 [2022-11-18 18:44:27,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:27,959 INFO L495 AbstractCegarLoop]: Abstraction has 1846 states and 2469 transitions. [2022-11-18 18:44:27,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:44:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2469 transitions. [2022-11-18 18:44:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 18:44:27,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:27,968 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] [2022-11-18 18:44:27,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:44:27,969 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 32 more)] === [2022-11-18 18:44:27,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:27,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1620015999, now seen corresponding path program 1 times [2022-11-18 18:44:27,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:27,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215729035] [2022-11-18 18:44:27,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:44:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:44:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:44:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:44:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:44:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:44:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:44:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:44:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:44:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:44:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:44:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:44:29,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:29,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215729035] [2022-11-18 18:44:29,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215729035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:29,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:29,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:29,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144809113] [2022-11-18 18:44:29,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:29,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:29,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:29,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:29,505 INFO L87 Difference]: Start difference. First operand 1846 states and 2469 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:44:37,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:37,672 INFO L93 Difference]: Finished difference Result 1846 states and 2469 transitions. [2022-11-18 18:44:37,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:37,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-11-18 18:44:37,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:37,682 INFO L225 Difference]: With dead ends: 1846 [2022-11-18 18:44:37,682 INFO L226 Difference]: Without dead ends: 1844 [2022-11-18 18:44:37,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:37,684 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3313 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3373 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:37,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 3419 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3373 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-18 18:44:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2022-11-18 18:44:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1844. [2022-11-18 18:44:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1177 states have (on average 1.2209005947323703) internal successors, (1437), 1225 states have internal predecessors, (1437), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:44:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2467 transitions. [2022-11-18 18:44:37,803 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2467 transitions. Word has length 89 [2022-11-18 18:44:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:37,803 INFO L495 AbstractCegarLoop]: Abstraction has 1844 states and 2467 transitions. [2022-11-18 18:44:37,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:44:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2467 transitions. [2022-11-18 18:44:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-18 18:44:37,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:37,805 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] [2022-11-18 18:44:37,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:44:37,806 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 32 more)] === [2022-11-18 18:44:37,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:37,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1761058024, now seen corresponding path program 1 times [2022-11-18 18:44:37,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:37,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14301854] [2022-11-18 18:44:37,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:37,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:44:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:44:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:44:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:44:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:44:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:44:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:44:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:44:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:44:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:44:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:44:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:44:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:44:39,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:39,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14301854] [2022-11-18 18:44:39,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14301854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:39,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:39,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:39,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157011854] [2022-11-18 18:44:39,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:39,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:39,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:39,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:39,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:39,417 INFO L87 Difference]: Start difference. First operand 1844 states and 2467 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:44:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:46,442 INFO L93 Difference]: Finished difference Result 1844 states and 2467 transitions. [2022-11-18 18:44:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-11-18 18:44:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:46,454 INFO L225 Difference]: With dead ends: 1844 [2022-11-18 18:44:46,454 INFO L226 Difference]: Without dead ends: 1842 [2022-11-18 18:44:46,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:46,457 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3307 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3369 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:46,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3588 Valid, 3419 Invalid, 5279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3369 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-18 18:44:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2022-11-18 18:44:46,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2022-11-18 18:44:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1176 states have (on average 1.2202380952380953) internal successors, (1435), 1223 states have internal predecessors, (1435), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:44:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2465 transitions. [2022-11-18 18:44:46,605 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2465 transitions. Word has length 95 [2022-11-18 18:44:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:46,606 INFO L495 AbstractCegarLoop]: Abstraction has 1842 states and 2465 transitions. [2022-11-18 18:44:46,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:44:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2465 transitions. [2022-11-18 18:44:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 18:44:46,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:46,609 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] [2022-11-18 18:44:46,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:44:46,609 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 32 more)] === [2022-11-18 18:44:46,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash 804757477, now seen corresponding path program 1 times [2022-11-18 18:44:46,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:46,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20830895] [2022-11-18 18:44:46,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:46,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:44:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:44:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:44:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:44:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:44:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:44:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:44:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:44:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:44:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:44:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:44:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:44:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:44:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:44:48,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:48,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20830895] [2022-11-18 18:44:48,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20830895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:48,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:48,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:48,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707824865] [2022-11-18 18:44:48,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:48,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:48,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:48,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:48,143 INFO L87 Difference]: Start difference. First operand 1842 states and 2465 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:44:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:55,389 INFO L93 Difference]: Finished difference Result 1842 states and 2465 transitions. [2022-11-18 18:44:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:55,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-18 18:44:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:55,401 INFO L225 Difference]: With dead ends: 1842 [2022-11-18 18:44:55,401 INFO L226 Difference]: Without dead ends: 1840 [2022-11-18 18:44:55,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:55,404 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3301 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3365 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3581 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:55,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3581 Valid, 3419 Invalid, 5275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-18 18:44:55,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2022-11-18 18:44:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1840. [2022-11-18 18:44:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1175 states have (on average 1.2195744680851064) internal successors, (1433), 1221 states have internal predecessors, (1433), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:44:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2463 transitions. [2022-11-18 18:44:55,574 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2463 transitions. Word has length 101 [2022-11-18 18:44:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:55,575 INFO L495 AbstractCegarLoop]: Abstraction has 1840 states and 2463 transitions. [2022-11-18 18:44:55,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:44:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2463 transitions. [2022-11-18 18:44:55,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 18:44:55,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:55,578 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] [2022-11-18 18:44:55,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:44:55,579 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 32 more)] === [2022-11-18 18:44:55,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:55,580 INFO L85 PathProgramCache]: Analyzing trace with hash 324469994, now seen corresponding path program 1 times [2022-11-18 18:44:55,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:55,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732834819] [2022-11-18 18:44:55,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:44:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:44:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:44:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:44:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:44:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:44:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:44:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:44:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:44:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:44:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:44:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:44:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:44:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:44:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:44:57,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:57,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732834819] [2022-11-18 18:44:57,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732834819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:57,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:57,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:57,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138299742] [2022-11-18 18:44:57,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:57,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:57,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:57,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:57,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:57,297 INFO L87 Difference]: Start difference. First operand 1840 states and 2463 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:45:02,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:04,562 INFO L93 Difference]: Finished difference Result 1840 states and 2463 transitions. [2022-11-18 18:45:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:45:04,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2022-11-18 18:45:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:04,570 INFO L225 Difference]: With dead ends: 1840 [2022-11-18 18:45:04,570 INFO L226 Difference]: Without dead ends: 1838 [2022-11-18 18:45:04,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:04,572 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3295 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:04,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 3419 Invalid, 5271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3361 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-18 18:45:04,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-11-18 18:45:04,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2022-11-18 18:45:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1174 states have (on average 1.2189097103918227) internal successors, (1431), 1219 states have internal predecessors, (1431), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:45:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2461 transitions. [2022-11-18 18:45:04,716 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2461 transitions. Word has length 107 [2022-11-18 18:45:04,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:04,717 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2461 transitions. [2022-11-18 18:45:04,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:45:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2461 transitions. [2022-11-18 18:45:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-18 18:45:04,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:04,719 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] [2022-11-18 18:45:04,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:45:04,719 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 32 more)] === [2022-11-18 18:45:04,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash 33080315, now seen corresponding path program 1 times [2022-11-18 18:45:04,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:04,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836583660] [2022-11-18 18:45:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:04,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:45:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:45:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:45:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:45:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:45:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:45:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:45:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:45:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:45:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:45:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:45:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:45:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:45:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:45:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:45:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:45:05,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:05,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836583660] [2022-11-18 18:45:05,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836583660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:05,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:05,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:05,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073126909] [2022-11-18 18:45:05,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:05,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:05,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:05,940 INFO L87 Difference]: Start difference. First operand 1838 states and 2461 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:45:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:12,625 INFO L93 Difference]: Finished difference Result 1838 states and 2461 transitions. [2022-11-18 18:45:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:45:12,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2022-11-18 18:45:12,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:12,633 INFO L225 Difference]: With dead ends: 1838 [2022-11-18 18:45:12,634 INFO L226 Difference]: Without dead ends: 1836 [2022-11-18 18:45:12,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:12,636 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3293 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:12,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3571 Valid, 3419 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3353 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-18 18:45:12,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2022-11-18 18:45:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1836. [2022-11-18 18:45:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1173 states have (on average 1.2182438192668372) internal successors, (1429), 1217 states have internal predecessors, (1429), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:45:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2459 transitions. [2022-11-18 18:45:12,794 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2459 transitions. Word has length 113 [2022-11-18 18:45:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:12,794 INFO L495 AbstractCegarLoop]: Abstraction has 1836 states and 2459 transitions. [2022-11-18 18:45:12,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:45:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2459 transitions. [2022-11-18 18:45:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 18:45:12,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:12,797 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] [2022-11-18 18:45:12,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:45:12,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 32 more)] === [2022-11-18 18:45:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1725550302, now seen corresponding path program 1 times [2022-11-18 18:45:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:12,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994275407] [2022-11-18 18:45:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:45:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:45:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:45:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:45:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:45:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:45:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:45:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:45:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:45:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:45:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:45:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:45:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:45:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:45:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:45:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:45:14,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:14,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994275407] [2022-11-18 18:45:14,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994275407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:14,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:14,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141711129] [2022-11-18 18:45:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:14,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:14,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:14,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:14,061 INFO L87 Difference]: Start difference. First operand 1836 states and 2459 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:45:20,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:20,622 INFO L93 Difference]: Finished difference Result 1836 states and 2459 transitions. [2022-11-18 18:45:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:45:20,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2022-11-18 18:45:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:20,628 INFO L225 Difference]: With dead ends: 1836 [2022-11-18 18:45:20,628 INFO L226 Difference]: Without dead ends: 1834 [2022-11-18 18:45:20,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:20,630 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3281 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3419 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:20,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3559 Valid, 3419 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3353 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-18 18:45:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-11-18 18:45:20,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2022-11-18 18:45:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1172 states have (on average 1.2175767918088738) internal successors, (1427), 1215 states have internal predecessors, (1427), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:45:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2457 transitions. [2022-11-18 18:45:20,796 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2457 transitions. Word has length 115 [2022-11-18 18:45:20,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:20,797 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2457 transitions. [2022-11-18 18:45:20,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:45:20,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2457 transitions. [2022-11-18 18:45:20,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 18:45:20,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:20,799 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] [2022-11-18 18:45:20,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:45:20,800 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 32 more)] === [2022-11-18 18:45:20,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1952465634, now seen corresponding path program 1 times [2022-11-18 18:45:20,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:20,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93473584] [2022-11-18 18:45:20,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:20,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:45:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:45:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:45:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:45:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:45:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:45:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:45:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:45:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:45:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:45:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-18 18:45:22,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:22,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93473584] [2022-11-18 18:45:22,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93473584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:22,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:22,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:22,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53795970] [2022-11-18 18:45:22,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:22,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:22,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:22,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:22,041 INFO L87 Difference]: Start difference. First operand 1834 states and 2457 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:45:30,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:30,554 INFO L93 Difference]: Finished difference Result 2599 states and 3383 transitions. [2022-11-18 18:45:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:45:30,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 4 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 158 [2022-11-18 18:45:30,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:30,567 INFO L225 Difference]: With dead ends: 2599 [2022-11-18 18:45:30,567 INFO L226 Difference]: Without dead ends: 1853 [2022-11-18 18:45:30,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:45:30,571 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 3731 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 3098 mSolverCounterSat, 2509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4028 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 5607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2509 IncrementalHoareTripleChecker+Valid, 3098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:30,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4028 Valid, 2734 Invalid, 5607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2509 Valid, 3098 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-18 18:45:30,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2022-11-18 18:45:30,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1830. [2022-11-18 18:45:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1830 states, 1169 states have (on average 1.2164242942686057) internal successors, (1422), 1211 states have internal predecessors, (1422), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:45:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2452 transitions. [2022-11-18 18:45:30,767 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2452 transitions. Word has length 158 [2022-11-18 18:45:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:30,768 INFO L495 AbstractCegarLoop]: Abstraction has 1830 states and 2452 transitions. [2022-11-18 18:45:30,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:45:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2452 transitions. [2022-11-18 18:45:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 18:45:30,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:30,770 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] [2022-11-18 18:45:30,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:45:30,770 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 32 more)] === [2022-11-18 18:45:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:30,771 INFO L85 PathProgramCache]: Analyzing trace with hash -114056647, now seen corresponding path program 1 times [2022-11-18 18:45:30,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:30,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057554946] [2022-11-18 18:45:30,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:30,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:45:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:45:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:45:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:45:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:45:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:45:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:45:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:45:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:45:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:45:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:45:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:45:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:45:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:45:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:45:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:45:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:45:32,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:32,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057554946] [2022-11-18 18:45:32,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057554946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:32,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:32,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:32,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211658113] [2022-11-18 18:45:32,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:32,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:32,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:32,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:32,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:32,101 INFO L87 Difference]: Start difference. First operand 1830 states and 2452 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:45:39,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:39,506 INFO L93 Difference]: Finished difference Result 1830 states and 2452 transitions. [2022-11-18 18:45:39,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:45:39,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2022-11-18 18:45:39,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:39,516 INFO L225 Difference]: With dead ends: 1830 [2022-11-18 18:45:39,516 INFO L226 Difference]: Without dead ends: 1828 [2022-11-18 18:45:39,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:39,518 INFO L413 NwaCegarLoop]: 1220 mSDtfsCounter, 3272 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 3348 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3549 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 5258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:39,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3549 Valid, 3400 Invalid, 5258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3348 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-18 18:45:39,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2022-11-18 18:45:39,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1828. [2022-11-18 18:45:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1168 states have (on average 1.2157534246575343) internal successors, (1420), 1209 states have internal predecessors, (1420), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-18 18:45:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2450 transitions. [2022-11-18 18:45:39,729 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2450 transitions. Word has length 121 [2022-11-18 18:45:39,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:39,730 INFO L495 AbstractCegarLoop]: Abstraction has 1828 states and 2450 transitions. [2022-11-18 18:45:39,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:45:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2450 transitions. [2022-11-18 18:45:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-18 18:45:39,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:39,733 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] [2022-11-18 18:45:39,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:45:39,733 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 32 more)] === [2022-11-18 18:45:39,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:39,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1986264877, now seen corresponding path program 1 times [2022-11-18 18:45:39,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:39,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920934019] [2022-11-18 18:45:39,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:39,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:45:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:45:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:45:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:45:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:45:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:45:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:45:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:45:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:45:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:45:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:45:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-18 18:45:40,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920934019] [2022-11-18 18:45:40,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920934019] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:45:40,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326009815] [2022-11-18 18:45:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:40,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:45:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:45:40,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:45:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:45:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:43,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 7793 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:45:43,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-18 18:45:43,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:43,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326009815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:43,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:45:43,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-18 18:45:43,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805836232] [2022-11-18 18:45:43,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:43,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:45:43,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:43,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:45:43,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:43,404 INFO L87 Difference]: Start difference. First operand 1828 states and 2450 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-11-18 18:45:43,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:43,742 INFO L93 Difference]: Finished difference Result 2617 states and 3396 transitions. [2022-11-18 18:45:43,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:45:43,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 164 [2022-11-18 18:45:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:43,753 INFO L225 Difference]: With dead ends: 2617 [2022-11-18 18:45:43,753 INFO L226 Difference]: Without dead ends: 1880 [2022-11-18 18:45:43,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:43,758 INFO L413 NwaCegarLoop]: 2509 mSDtfsCounter, 2425 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 2576 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 [2022-11-18 18:45:43,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 2576 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:45:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-11-18 18:45:44,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1877. [2022-11-18 18:45:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1197 states have (on average 1.2113617376775272) internal successors, (1450), 1241 states have internal predecessors, (1450), 531 states have call successors, (531), 128 states have call predecessors, (531), 127 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:45:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2510 transitions. [2022-11-18 18:45:44,166 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2510 transitions. Word has length 164 [2022-11-18 18:45:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:44,167 INFO L495 AbstractCegarLoop]: Abstraction has 1877 states and 2510 transitions. [2022-11-18 18:45:44,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-11-18 18:45:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2510 transitions. [2022-11-18 18:45:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-18 18:45:44,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:44,171 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] [2022-11-18 18:45:44,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:44,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 18:45:44,396 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 32 more)] === [2022-11-18 18:45:44,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash 756662700, now seen corresponding path program 1 times [2022-11-18 18:45:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:44,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749673732] [2022-11-18 18:45:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:44,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:45:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:45:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:45:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:45:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:45:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:45:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:45:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:45:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:45:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:45:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:45:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:45:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:45:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-18 18:45:46,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:46,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749673732] [2022-11-18 18:45:46,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749673732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:46,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:46,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:45:46,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600636192] [2022-11-18 18:45:46,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:46,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:45:46,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:46,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:45:46,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:45:46,709 INFO L87 Difference]: Start difference. First operand 1877 states and 2510 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:46:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:01,354 INFO L93 Difference]: Finished difference Result 3665 states and 5004 transitions. [2022-11-18 18:46:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:46:01,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 167 [2022-11-18 18:46:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:01,364 INFO L225 Difference]: With dead ends: 3665 [2022-11-18 18:46:01,364 INFO L226 Difference]: Without dead ends: 1906 [2022-11-18 18:46:01,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:46:01,372 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 3700 mSDsluCounter, 4263 mSDsCounter, 0 mSdLazyCounter, 7693 mSolverCounterSat, 2500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3987 SdHoareTripleChecker+Valid, 5481 SdHoareTripleChecker+Invalid, 10193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2500 IncrementalHoareTripleChecker+Valid, 7693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:01,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3987 Valid, 5481 Invalid, 10193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2500 Valid, 7693 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-11-18 18:46:01,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-11-18 18:46:01,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1883. [2022-11-18 18:46:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1201 states have (on average 1.2098251457119067) internal successors, (1453), 1245 states have internal predecessors, (1453), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2513 transitions. [2022-11-18 18:46:01,602 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2513 transitions. Word has length 167 [2022-11-18 18:46:01,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:01,603 INFO L495 AbstractCegarLoop]: Abstraction has 1883 states and 2513 transitions. [2022-11-18 18:46:01,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:46:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2513 transitions. [2022-11-18 18:46:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-18 18:46:01,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:01,606 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] [2022-11-18 18:46:01,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:46:01,606 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 32 more)] === [2022-11-18 18:46:01,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash 756722282, now seen corresponding path program 1 times [2022-11-18 18:46:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:01,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29670086] [2022-11-18 18:46:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:01,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:46:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:46:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:46:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:46:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:46:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:46:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:46:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:46:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-18 18:46:03,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:03,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29670086] [2022-11-18 18:46:03,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29670086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:03,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:03,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:46:03,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758801478] [2022-11-18 18:46:03,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:03,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:46:03,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:03,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:46:03,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:46:03,123 INFO L87 Difference]: Start difference. First operand 1883 states and 2513 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 18:46:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:13,563 INFO L93 Difference]: Finished difference Result 1906 states and 2552 transitions. [2022-11-18 18:46:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:46:13,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 167 [2022-11-18 18:46:13,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:13,574 INFO L225 Difference]: With dead ends: 1906 [2022-11-18 18:46:13,574 INFO L226 Difference]: Without dead ends: 1904 [2022-11-18 18:46:13,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:46:13,576 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 2000 mSDsluCounter, 3639 mSDsCounter, 0 mSdLazyCounter, 5837 mSolverCounterSat, 2054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 7891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2054 IncrementalHoareTripleChecker+Valid, 5837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:13,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 4857 Invalid, 7891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2054 Valid, 5837 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-18 18:46:13,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2022-11-18 18:46:13,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1881. [2022-11-18 18:46:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1200 states have (on average 1.2091666666666667) internal successors, (1451), 1243 states have internal predecessors, (1451), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2511 transitions. [2022-11-18 18:46:13,831 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2511 transitions. Word has length 167 [2022-11-18 18:46:13,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:13,832 INFO L495 AbstractCegarLoop]: Abstraction has 1881 states and 2511 transitions. [2022-11-18 18:46:13,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 18:46:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2511 transitions. [2022-11-18 18:46:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-18 18:46:13,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:13,835 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] [2022-11-18 18:46:13,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:46:13,835 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 32 more)] === [2022-11-18 18:46:13,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:13,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2079990389, now seen corresponding path program 1 times [2022-11-18 18:46:13,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:13,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42533251] [2022-11-18 18:46:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:13,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:46:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:46:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:46:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:46:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:46:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:46:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:46:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:46:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:46:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:46:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:46:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:46:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:46:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:46:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:46:14,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:14,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42533251] [2022-11-18 18:46:14,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42533251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:14,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:14,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:14,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092991122] [2022-11-18 18:46:14,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:14,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:14,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:14,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:14,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:14,966 INFO L87 Difference]: Start difference. First operand 1881 states and 2511 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:46:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:21,161 INFO L93 Difference]: Finished difference Result 1881 states and 2511 transitions. [2022-11-18 18:46:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:21,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2022-11-18 18:46:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:21,170 INFO L225 Difference]: With dead ends: 1881 [2022-11-18 18:46:21,170 INFO L226 Difference]: Without dead ends: 1879 [2022-11-18 18:46:21,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:46:21,172 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3252 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3337 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:21,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3528 Valid, 3381 Invalid, 5247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3337 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-18 18:46:21,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2022-11-18 18:46:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1879. [2022-11-18 18:46:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1199 states have (on average 1.2085070892410341) internal successors, (1449), 1241 states have internal predecessors, (1449), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2509 transitions. [2022-11-18 18:46:21,393 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2509 transitions. Word has length 127 [2022-11-18 18:46:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:21,394 INFO L495 AbstractCegarLoop]: Abstraction has 1879 states and 2509 transitions. [2022-11-18 18:46:21,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:46:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2509 transitions. [2022-11-18 18:46:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-18 18:46:21,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:21,397 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, 1, 1, 1, 1, 1] [2022-11-18 18:46:21,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:46:21,398 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 32 more)] === [2022-11-18 18:46:21,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:21,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1457618758, now seen corresponding path program 1 times [2022-11-18 18:46:21,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:21,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024709889] [2022-11-18 18:46:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:21,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:46:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:46:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:46:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:46:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:46:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:46:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:46:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:46:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-18 18:46:22,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:22,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024709889] [2022-11-18 18:46:22,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024709889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:22,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:22,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:22,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899044729] [2022-11-18 18:46:22,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:22,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:22,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:22,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:22,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:22,335 INFO L87 Difference]: Start difference. First operand 1879 states and 2509 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:46:27,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:30,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:30,176 INFO L93 Difference]: Finished difference Result 3659 states and 4994 transitions. [2022-11-18 18:46:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:30,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 174 [2022-11-18 18:46:30,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:30,187 INFO L225 Difference]: With dead ends: 3659 [2022-11-18 18:46:30,187 INFO L226 Difference]: Without dead ends: 1898 [2022-11-18 18:46:30,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:46:30,193 INFO L413 NwaCegarLoop]: 1219 mSDtfsCounter, 3660 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 2502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 5292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2502 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:30,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 3016 Invalid, 5292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2502 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-18 18:46:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2022-11-18 18:46:30,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1875. [2022-11-18 18:46:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1196 states have (on average 1.2073578595317727) internal successors, (1444), 1237 states have internal predecessors, (1444), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2504 transitions. [2022-11-18 18:46:30,477 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2504 transitions. Word has length 174 [2022-11-18 18:46:30,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:30,478 INFO L495 AbstractCegarLoop]: Abstraction has 1875 states and 2504 transitions. [2022-11-18 18:46:30,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:46:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2504 transitions. [2022-11-18 18:46:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-18 18:46:30,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:30,481 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] [2022-11-18 18:46:30,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:46:30,482 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 32 more)] === [2022-11-18 18:46:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:30,482 INFO L85 PathProgramCache]: Analyzing trace with hash -280151954, now seen corresponding path program 1 times [2022-11-18 18:46:30,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:30,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955944784] [2022-11-18 18:46:30,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:30,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:46:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:46:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:46:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:46:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:46:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:46:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:46:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:46:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:46:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:46:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:46:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:46:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:46:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:46:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:46:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:46:31,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:31,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955944784] [2022-11-18 18:46:31,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955944784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:31,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:31,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:31,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453431968] [2022-11-18 18:46:31,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:31,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:31,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:31,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:31,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:31,447 INFO L87 Difference]: Start difference. First operand 1875 states and 2504 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:46:38,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:38,433 INFO L93 Difference]: Finished difference Result 1875 states and 2504 transitions. [2022-11-18 18:46:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:38,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2022-11-18 18:46:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:38,442 INFO L225 Difference]: With dead ends: 1875 [2022-11-18 18:46:38,442 INFO L226 Difference]: Without dead ends: 1873 [2022-11-18 18:46:38,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:46:38,444 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3231 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3323 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3506 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:38,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3506 Valid, 3381 Invalid, 5233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3323 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-18 18:46:38,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2022-11-18 18:46:38,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1873. [2022-11-18 18:46:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1873 states, 1195 states have (on average 1.2066945606694561) internal successors, (1442), 1235 states have internal predecessors, (1442), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 2502 transitions. [2022-11-18 18:46:38,686 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 2502 transitions. Word has length 133 [2022-11-18 18:46:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:38,687 INFO L495 AbstractCegarLoop]: Abstraction has 1873 states and 2502 transitions. [2022-11-18 18:46:38,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 18:46:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2502 transitions. [2022-11-18 18:46:38,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-18 18:46:38,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:38,689 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] [2022-11-18 18:46:38,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 18:46:38,689 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 32 more)] === [2022-11-18 18:46:38,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:38,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1245280045, now seen corresponding path program 1 times [2022-11-18 18:46:38,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:38,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93644387] [2022-11-18 18:46:38,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:38,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:46:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:46:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:46:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:46:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:46:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:46:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:46:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:46:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:46:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:46:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:46:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:46:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:46:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:46:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:46:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:46:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:46:39,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:39,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93644387] [2022-11-18 18:46:39,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93644387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:39,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:39,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:39,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726558957] [2022-11-18 18:46:39,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:39,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:39,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:39,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:39,690 INFO L87 Difference]: Start difference. First operand 1873 states and 2502 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 18:46:45,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:45,908 INFO L93 Difference]: Finished difference Result 1873 states and 2502 transitions. [2022-11-18 18:46:45,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:45,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2022-11-18 18:46:45,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:45,915 INFO L225 Difference]: With dead ends: 1873 [2022-11-18 18:46:45,916 INFO L226 Difference]: Without dead ends: 1871 [2022-11-18 18:46:45,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:46:45,917 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3225 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3319 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:45,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3499 Valid, 3381 Invalid, 5229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3319 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-18 18:46:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2022-11-18 18:46:46,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1871. [2022-11-18 18:46:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1194 states have (on average 1.2060301507537687) internal successors, (1440), 1233 states have internal predecessors, (1440), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2500 transitions. [2022-11-18 18:46:46,101 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2500 transitions. Word has length 139 [2022-11-18 18:46:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:46,102 INFO L495 AbstractCegarLoop]: Abstraction has 1871 states and 2500 transitions. [2022-11-18 18:46:46,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 18:46:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2500 transitions. [2022-11-18 18:46:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 18:46:46,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:46,105 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] [2022-11-18 18:46:46,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 18:46:46,105 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 32 more)] === [2022-11-18 18:46:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:46,105 INFO L85 PathProgramCache]: Analyzing trace with hash 34784053, now seen corresponding path program 1 times [2022-11-18 18:46:46,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:46,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762636050] [2022-11-18 18:46:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:46,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:46:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:46:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:46:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:46:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:46:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:46:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:46:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:46:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:46:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:46:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:46:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:46:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:46:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:46:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:46:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:46:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:46:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:46:47,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:47,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762636050] [2022-11-18 18:46:47,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762636050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:47,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:47,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:47,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611528514] [2022-11-18 18:46:47,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:47,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:47,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:47,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:47,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:47,232 INFO L87 Difference]: Start difference. First operand 1871 states and 2500 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:46:53,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:53,954 INFO L93 Difference]: Finished difference Result 1871 states and 2500 transitions. [2022-11-18 18:46:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:53,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2022-11-18 18:46:53,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:53,962 INFO L225 Difference]: With dead ends: 1871 [2022-11-18 18:46:53,963 INFO L226 Difference]: Without dead ends: 1869 [2022-11-18 18:46:53,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:46:53,965 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3219 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3492 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:53,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3492 Valid, 3381 Invalid, 5225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-18 18:46:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2022-11-18 18:46:54,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1869. [2022-11-18 18:46:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1869 states, 1193 states have (on average 1.2053646269907796) internal successors, (1438), 1231 states have internal predecessors, (1438), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:46:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2498 transitions. [2022-11-18 18:46:54,212 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2498 transitions. Word has length 145 [2022-11-18 18:46:54,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:54,212 INFO L495 AbstractCegarLoop]: Abstraction has 1869 states and 2498 transitions. [2022-11-18 18:46:54,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 18:46:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2498 transitions. [2022-11-18 18:46:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-18 18:46:54,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:54,215 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] [2022-11-18 18:46:54,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 18:46:54,215 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 32 more)] === [2022-11-18 18:46:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash -846309663, now seen corresponding path program 1 times [2022-11-18 18:46:54,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:54,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734572179] [2022-11-18 18:46:54,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:54,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:46:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:46:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:46:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:46:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:46:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:46:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:46:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:46:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:46:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:46:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:46:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:46:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:46:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:46:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:46:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:46:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:46:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:46:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:46:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:46:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:46:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:46:55,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:55,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734572179] [2022-11-18 18:46:55,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734572179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:55,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:55,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:46:55,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527923211] [2022-11-18 18:46:55,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:55,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:46:55,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:55,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:46:55,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:46:55,389 INFO L87 Difference]: Start difference. First operand 1869 states and 2498 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:47:02,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:02,150 INFO L93 Difference]: Finished difference Result 1869 states and 2498 transitions. [2022-11-18 18:47:02,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:47:02,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2022-11-18 18:47:02,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:02,158 INFO L225 Difference]: With dead ends: 1869 [2022-11-18 18:47:02,158 INFO L226 Difference]: Without dead ends: 1867 [2022-11-18 18:47:02,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:47:02,160 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3213 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3311 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:02,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3485 Valid, 3381 Invalid, 5221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3311 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-18 18:47:02,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-11-18 18:47:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1867. [2022-11-18 18:47:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1192 states have (on average 1.2046979865771812) internal successors, (1436), 1229 states have internal predecessors, (1436), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:47:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2496 transitions. [2022-11-18 18:47:02,433 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2496 transitions. Word has length 151 [2022-11-18 18:47:02,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:02,433 INFO L495 AbstractCegarLoop]: Abstraction has 1867 states and 2496 transitions. [2022-11-18 18:47:02,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:47:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2496 transitions. [2022-11-18 18:47:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-18 18:47:02,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:02,436 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] [2022-11-18 18:47:02,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 18:47:02,436 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 32 more)] === [2022-11-18 18:47:02,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:02,437 INFO L85 PathProgramCache]: Analyzing trace with hash 262141901, now seen corresponding path program 1 times [2022-11-18 18:47:02,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:02,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191674846] [2022-11-18 18:47:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:02,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:47:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:47:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:47:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:47:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:47:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:47:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:47:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:47:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:47:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:47:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:47:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:47:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:47:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:47:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:47:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:47:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:47:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:47:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:47:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:47:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:47:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:47:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:47:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:47:04,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:04,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191674846] [2022-11-18 18:47:04,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191674846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:04,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:04,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:47:04,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318757990] [2022-11-18 18:47:04,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:04,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:04,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:04,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:04,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:04,569 INFO L87 Difference]: Start difference. First operand 1867 states and 2496 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 18:47:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:11,995 INFO L93 Difference]: Finished difference Result 1867 states and 2496 transitions. [2022-11-18 18:47:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:47:11,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2022-11-18 18:47:11,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:12,003 INFO L225 Difference]: With dead ends: 1867 [2022-11-18 18:47:12,004 INFO L226 Difference]: Without dead ends: 1865 [2022-11-18 18:47:12,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:47:12,005 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3207 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3307 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:12,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 3381 Invalid, 5217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3307 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-18 18:47:12,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2022-11-18 18:47:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1865. [2022-11-18 18:47:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1191 states have (on average 1.2040302267002518) internal successors, (1434), 1227 states have internal predecessors, (1434), 531 states have call successors, (531), 130 states have call predecessors, (531), 129 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-18 18:47:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2494 transitions. [2022-11-18 18:47:12,204 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2494 transitions. Word has length 157 [2022-11-18 18:47:12,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:12,205 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 2494 transitions. [2022-11-18 18:47:12,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 18:47:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2494 transitions. [2022-11-18 18:47:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-18 18:47:12,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:12,207 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] [2022-11-18 18:47:12,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 18:47:12,208 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 32 more)] === [2022-11-18 18:47:12,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:12,208 INFO L85 PathProgramCache]: Analyzing trace with hash -362273132, now seen corresponding path program 1 times [2022-11-18 18:47:12,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:12,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905415161] [2022-11-18 18:47:12,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:12,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:47:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:47:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:47:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:47:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:47:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:47:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:47:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:47:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:47:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:47:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:47:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:47:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:47:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:47:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:47:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:47:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:47:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:47:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:47:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:47:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:47:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:47:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:47:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 18:47:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:47:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:13,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905415161] [2022-11-18 18:47:13,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905415161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:13,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:13,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:47:13,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506981260] [2022-11-18 18:47:13,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:13,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:13,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:13,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:13,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:13,507 INFO L87 Difference]: Start difference. First operand 1865 states and 2494 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 18:47:22,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:22,332 INFO L93 Difference]: Finished difference Result 2241 states and 2957 transitions. [2022-11-18 18:47:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:47:22,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2022-11-18 18:47:22,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:22,342 INFO L225 Difference]: With dead ends: 2241 [2022-11-18 18:47:22,343 INFO L226 Difference]: Without dead ends: 2239 [2022-11-18 18:47:22,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:47:22,345 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3725 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 4002 mSolverCounterSat, 2252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3985 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 6254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2252 IncrementalHoareTripleChecker+Valid, 4002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:22,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3985 Valid, 3395 Invalid, 6254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2252 Valid, 4002 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-18 18:47:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2022-11-18 18:47:22,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2229. [2022-11-18 18:47:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 1426 states have (on average 1.1991584852734922) internal successors, (1710), 1461 states have internal predecessors, (1710), 621 states have call successors, (621), 170 states have call predecessors, (621), 169 states have return successors, (619), 615 states have call predecessors, (619), 619 states have call successors, (619) [2022-11-18 18:47:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 2950 transitions. [2022-11-18 18:47:22,589 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 2950 transitions. Word has length 163 [2022-11-18 18:47:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:22,589 INFO L495 AbstractCegarLoop]: Abstraction has 2229 states and 2950 transitions. [2022-11-18 18:47:22,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 18:47:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2950 transitions. [2022-11-18 18:47:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-18 18:47:22,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:22,592 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] [2022-11-18 18:47:22,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 18:47:22,593 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 32 more)] === [2022-11-18 18:47:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:22,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1472255389, now seen corresponding path program 1 times [2022-11-18 18:47:22,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:22,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767514582] [2022-11-18 18:47:22,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:22,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:47:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:47:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:47:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:47:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:47:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:47:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:47:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:47:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:47:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:47:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:47:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:47:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:47:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:47:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:47:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:47:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:47:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:47:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:47:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:47:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:47:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:47:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:47:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 18:47:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 18:47:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:47:23,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:23,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767514582] [2022-11-18 18:47:23,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767514582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:23,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:23,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:47:23,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528120509] [2022-11-18 18:47:23,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:23,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:23,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:23,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:23,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:23,654 INFO L87 Difference]: Start difference. First operand 2229 states and 2950 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:47:30,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:30,000 INFO L93 Difference]: Finished difference Result 2229 states and 2950 transitions. [2022-11-18 18:47:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:47:30,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2022-11-18 18:47:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:30,008 INFO L225 Difference]: With dead ends: 2229 [2022-11-18 18:47:30,008 INFO L226 Difference]: Without dead ends: 2227 [2022-11-18 18:47:30,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:47:30,010 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3195 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3299 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3464 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:30,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3464 Valid, 3381 Invalid, 5209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3299 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-18 18:47:30,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-11-18 18:47:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2227. [2022-11-18 18:47:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2227 states, 1425 states have (on average 1.1985964912280702) internal successors, (1708), 1459 states have internal predecessors, (1708), 621 states have call successors, (621), 170 states have call predecessors, (621), 169 states have return successors, (619), 615 states have call predecessors, (619), 619 states have call successors, (619) [2022-11-18 18:47:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 2948 transitions. [2022-11-18 18:47:30,377 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 2948 transitions. Word has length 169 [2022-11-18 18:47:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:30,377 INFO L495 AbstractCegarLoop]: Abstraction has 2227 states and 2948 transitions. [2022-11-18 18:47:30,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:47:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2948 transitions. [2022-11-18 18:47:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-18 18:47:30,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:30,380 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:30,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 18:47:30,381 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 32 more)] === [2022-11-18 18:47:30,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:30,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1651595581, now seen corresponding path program 1 times [2022-11-18 18:47:30,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:30,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406002610] [2022-11-18 18:47:30,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:30,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:47:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:47:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:47:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:47:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:47:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:47:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:47:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:47:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:47:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:47:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:47:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:47:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:47:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:47:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:47:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:47:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:47:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:47:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:47:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:47:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:47:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:47:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:47:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:47:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:47:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 18:47:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:47:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:47:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-18 18:47:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-18 18:47:33,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:33,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406002610] [2022-11-18 18:47:33,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406002610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:33,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:33,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:47:33,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996731184] [2022-11-18 18:47:33,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:33,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:47:33,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:33,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:47:33,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:47:33,147 INFO L87 Difference]: Start difference. First operand 2227 states and 2948 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:47:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:51,566 INFO L93 Difference]: Finished difference Result 2686 states and 3508 transitions. [2022-11-18 18:47:51,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:47:51,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 220 [2022-11-18 18:47:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:51,576 INFO L225 Difference]: With dead ends: 2686 [2022-11-18 18:47:51,576 INFO L226 Difference]: Without dead ends: 2684 [2022-11-18 18:47:51,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-18 18:47:51,578 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 3731 mSDsluCounter, 4303 mSDsCounter, 0 mSdLazyCounter, 9226 mSolverCounterSat, 2719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 11945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2719 IncrementalHoareTripleChecker+Valid, 9226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:51,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 5520 Invalid, 11945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2719 Valid, 9226 Invalid, 0 Unknown, 0 Unchecked, 17.6s Time] [2022-11-18 18:47:51,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2022-11-18 18:47:52,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2642. [2022-11-18 18:47:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2642 states, 1701 states have (on average 1.1922398589065255) internal successors, (2028), 1736 states have internal predecessors, (2028), 711 states have call successors, (711), 220 states have call predecessors, (711), 219 states have return successors, (709), 705 states have call predecessors, (709), 709 states have call successors, (709) [2022-11-18 18:47:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 3448 transitions. [2022-11-18 18:47:52,029 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 3448 transitions. Word has length 220 [2022-11-18 18:47:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:52,029 INFO L495 AbstractCegarLoop]: Abstraction has 2642 states and 3448 transitions. [2022-11-18 18:47:52,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 18:47:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 3448 transitions. [2022-11-18 18:47:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-18 18:47:52,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:52,032 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] [2022-11-18 18:47:52,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 18:47:52,033 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 32 more)] === [2022-11-18 18:47:52,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:52,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1292277396, now seen corresponding path program 1 times [2022-11-18 18:47:52,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:52,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486312382] [2022-11-18 18:47:52,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:52,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:47:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:47:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:47:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:47:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:47:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:47:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:47:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:47:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:47:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:47:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:47:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:47:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:47:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:47:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:47:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:47:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:47:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:47:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:47:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:47:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:47:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:47:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:47:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 18:47:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 18:47:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 18:47:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:47:53,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486312382] [2022-11-18 18:47:53,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486312382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:53,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:53,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:47:53,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308522629] [2022-11-18 18:47:53,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:53,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:53,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:53,288 INFO L87 Difference]: Start difference. First operand 2642 states and 3448 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 18:48:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:04,587 INFO L93 Difference]: Finished difference Result 3755 states and 4884 transitions. [2022-11-18 18:48:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:48:04,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2022-11-18 18:48:04,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:04,600 INFO L225 Difference]: With dead ends: 3755 [2022-11-18 18:48:04,601 INFO L226 Difference]: Without dead ends: 3753 [2022-11-18 18:48:04,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:48:04,604 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 3995 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 5133 mSolverCounterSat, 2554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 4744 SdHoareTripleChecker+Invalid, 7687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2554 IncrementalHoareTripleChecker+Valid, 5133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:04,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 4744 Invalid, 7687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2554 Valid, 5133 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-11-18 18:48:04,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2022-11-18 18:48:05,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3720. [2022-11-18 18:48:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3720 states, 2403 states have (on average 1.1947565543071161) internal successors, (2871), 2444 states have internal predecessors, (2871), 989 states have call successors, (989), 318 states have call predecessors, (989), 317 states have return successors, (996), 982 states have call predecessors, (996), 987 states have call successors, (996) [2022-11-18 18:48:05,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 4856 transitions. [2022-11-18 18:48:05,331 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 4856 transitions. Word has length 175 [2022-11-18 18:48:05,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:05,331 INFO L495 AbstractCegarLoop]: Abstraction has 3720 states and 4856 transitions. [2022-11-18 18:48:05,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-18 18:48:05,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 4856 transitions. [2022-11-18 18:48:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-18 18:48:05,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:48:05,335 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:48:05,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 18:48:05,335 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:48:05,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:48:05,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1787592592, now seen corresponding path program 1 times [2022-11-18 18:48:05,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:48:05,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883563003] [2022-11-18 18:48:05,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:48:05,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:48:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:48:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:48:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:48:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:48:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:48:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:48:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:48:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:48:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:48:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:48:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:48:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:48:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:48:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:48:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:48:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 18:48:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:48:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:48:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:48:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:48:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-18 18:48:07,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:48:07,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883563003] [2022-11-18 18:48:07,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883563003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:48:07,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:48:07,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:48:07,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405500954] [2022-11-18 18:48:07,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:48:07,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:48:07,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:48:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:48:07,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:48:07,441 INFO L87 Difference]: Start difference. First operand 3720 states and 4856 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 18:48:24,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:24,889 INFO L93 Difference]: Finished difference Result 3772 states and 4928 transitions. [2022-11-18 18:48:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:48:24,890 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 224 [2022-11-18 18:48:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:24,899 INFO L225 Difference]: With dead ends: 3772 [2022-11-18 18:48:24,899 INFO L226 Difference]: Without dead ends: 3770 [2022-11-18 18:48:24,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-18 18:48:24,902 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 4210 mSDsluCounter, 4205 mSDsCounter, 0 mSdLazyCounter, 7655 mSolverCounterSat, 2956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4483 SdHoareTripleChecker+Valid, 5423 SdHoareTripleChecker+Invalid, 10611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2956 IncrementalHoareTripleChecker+Valid, 7655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:24,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4483 Valid, 5423 Invalid, 10611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2956 Valid, 7655 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2022-11-18 18:48:24,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3770 states. [2022-11-18 18:48:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3770 to 3718. [2022-11-18 18:48:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 2402 states have (on average 1.1940049958368026) internal successors, (2868), 2442 states have internal predecessors, (2868), 989 states have call successors, (989), 318 states have call predecessors, (989), 317 states have return successors, (996), 982 states have call predecessors, (996), 987 states have call successors, (996) [2022-11-18 18:48:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 4853 transitions. [2022-11-18 18:48:25,560 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 4853 transitions. Word has length 224 [2022-11-18 18:48:25,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:25,561 INFO L495 AbstractCegarLoop]: Abstraction has 3718 states and 4853 transitions. [2022-11-18 18:48:25,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-18 18:48:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4853 transitions. [2022-11-18 18:48:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-18 18:48:25,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:48:25,564 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, 1, 1, 1, 1, 1, 1] [2022-11-18 18:48:25,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 18:48:25,565 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_gadget_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 32 more)] === [2022-11-18 18:48:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:48:25,565 INFO L85 PathProgramCache]: Analyzing trace with hash -7286977, now seen corresponding path program 1 times [2022-11-18 18:48:25,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:48:25,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331643881] [2022-11-18 18:48:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:48:25,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:48:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:48:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:48:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:48:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:48:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:48:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:48:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:48:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:48:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:48:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:48:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:48:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:48:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:48:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:48:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:48:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:48:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:48:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:48:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:48:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:48:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:48:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:48:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:48:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 18:48:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 18:48:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 18:48:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 18:48:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:48:26,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:48:26,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331643881] [2022-11-18 18:48:26,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331643881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:48:26,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:48:26,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:48:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917082611] [2022-11-18 18:48:26,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:48:26,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:48:26,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:48:26,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:48:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:48:26,971 INFO L87 Difference]: Start difference. First operand 3718 states and 4853 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 18:48:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:34,917 INFO L93 Difference]: Finished difference Result 3718 states and 4853 transitions. [2022-11-18 18:48:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:48:34,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2022-11-18 18:48:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:34,928 INFO L225 Difference]: With dead ends: 3718 [2022-11-18 18:48:34,928 INFO L226 Difference]: Without dead ends: 3716 [2022-11-18 18:48:34,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:48:34,931 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 3177 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3287 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 5197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:34,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 3381 Invalid, 5197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1910 Valid, 3287 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-18 18:48:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2022-11-18 18:48:35,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3716. [2022-11-18 18:48:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3716 states, 2401 states have (on average 1.1936693044564766) internal successors, (2866), 2440 states have internal predecessors, (2866), 989 states have call successors, (989), 318 states have call predecessors, (989), 317 states have return successors, (996), 982 states have call predecessors, (996), 987 states have call successors, (996) [2022-11-18 18:48:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 4851 transitions. [2022-11-18 18:48:35,598 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 4851 transitions. Word has length 181 [2022-11-18 18:48:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:35,599 INFO L495 AbstractCegarLoop]: Abstraction has 3716 states and 4851 transitions. [2022-11-18 18:48:35,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 18:48:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4851 transitions. [2022-11-18 18:48:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-18 18:48:35,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:48:35,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:48:35,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-18 18:48:35,602 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_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 32 more)] === [2022-11-18 18:48:35,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:48:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash 856319417, now seen corresponding path program 1 times [2022-11-18 18:48:35,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:48:35,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212784784] [2022-11-18 18:48:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:48:35,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:48:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:48:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:48:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:48:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:48:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 18:48:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 18:48:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 18:48:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 18:48:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 18:48:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 18:48:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 18:48:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 18:48:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 18:48:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 18:48:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 18:48:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:48:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 18:48:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:48:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 18:48:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 18:48:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 18:48:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:48:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 18:48:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 18:48:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 18:48:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 18:48:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 18:48:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:48:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 18:48:36,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:48:36,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212784784] [2022-11-18 18:48:36,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212784784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:48:36,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:48:36,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:48:36,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126836904] [2022-11-18 18:48:36,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:48:36,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:48:36,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:48:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:48:36,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:48:36,689 INFO L87 Difference]: Start difference. First operand 3716 states and 4851 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 18:48:48,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:48,743 INFO L93 Difference]: Finished difference Result 7256 states and 9502 transitions. [2022-11-18 18:48:48,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:48:48,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 187 [2022-11-18 18:48:48,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:48,767 INFO L225 Difference]: With dead ends: 7256 [2022-11-18 18:48:48,768 INFO L226 Difference]: Without dead ends: 7060 [2022-11-18 18:48:48,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:48:48,774 INFO L413 NwaCegarLoop]: 1784 mSDtfsCounter, 4192 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 6585 mSolverCounterSat, 2983 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4445 SdHoareTripleChecker+Valid, 5522 SdHoareTripleChecker+Invalid, 9568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2983 IncrementalHoareTripleChecker+Valid, 6585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:48,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4445 Valid, 5522 Invalid, 9568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2983 Valid, 6585 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-18 18:48:48,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7060 states. [2022-11-18 18:48:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7060 to 7038. [2022-11-18 18:48:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7038 states, 4563 states have (on average 1.198115275038352) internal successors, (5467), 4620 states have internal predecessors, (5467), 1863 states have call successors, (1863), 606 states have call predecessors, (1863), 603 states have return successors, (1918), 1853 states have call predecessors, (1918), 1859 states have call successors, (1918) [2022-11-18 18:48:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7038 states to 7038 states and 9248 transitions. [2022-11-18 18:48:49,842 INFO L78 Accepts]: Start accepts. Automaton has 7038 states and 9248 transitions. Word has length 187 [2022-11-18 18:48:49,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:49,843 INFO L495 AbstractCegarLoop]: Abstraction has 7038 states and 9248 transitions. [2022-11-18 18:48:49,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 18:48:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7038 states and 9248 transitions. [2022-11-18 18:48:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-18 18:48:49,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:48:49,845 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:48:49,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-18 18:48:49,845 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:48:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:48:49,846 INFO L85 PathProgramCache]: Analyzing trace with hash 292109128, now seen corresponding path program 1 times [2022-11-18 18:48:49,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:48:49,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279543902] [2022-11-18 18:48:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:48:49,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:48:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:48:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:48:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:48:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:48:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:48:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:48:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:48:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:48:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:48:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:48:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:48:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:48:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:48:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:48:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:48:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 18:48:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:48:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:48:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:48:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:48:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:48:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:48:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-18 18:48:51,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:48:51,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279543902] [2022-11-18 18:48:51,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279543902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:48:51,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:48:51,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:48:51,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837231377] [2022-11-18 18:48:51,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:48:51,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:48:51,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:48:51,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:48:51,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:48:51,189 INFO L87 Difference]: Start difference. First operand 7038 states and 9248 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:49:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:49:09,931 INFO L93 Difference]: Finished difference Result 7129 states and 9384 transitions. [2022-11-18 18:49:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 18:49:09,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 232 [2022-11-18 18:49:09,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:49:09,953 INFO L225 Difference]: With dead ends: 7129 [2022-11-18 18:49:09,953 INFO L226 Difference]: Without dead ends: 7127 [2022-11-18 18:49:09,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:49:09,958 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 2990 mSDsluCounter, 4784 mSDsCounter, 0 mSdLazyCounter, 8362 mSolverCounterSat, 3283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 5992 SdHoareTripleChecker+Invalid, 11645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3283 IncrementalHoareTripleChecker+Valid, 8362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:49:09,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 5992 Invalid, 11645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3283 Valid, 8362 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-11-18 18:49:09,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7127 states. [2022-11-18 18:49:11,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7127 to 7036. [2022-11-18 18:49:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7036 states, 4562 states have (on average 1.1972818939061816) internal successors, (5462), 4618 states have internal predecessors, (5462), 1863 states have call successors, (1863), 606 states have call predecessors, (1863), 603 states have return successors, (1918), 1853 states have call predecessors, (1918), 1859 states have call successors, (1918) [2022-11-18 18:49:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7036 states to 7036 states and 9243 transitions. [2022-11-18 18:49:11,214 INFO L78 Accepts]: Start accepts. Automaton has 7036 states and 9243 transitions. Word has length 232 [2022-11-18 18:49:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:49:11,215 INFO L495 AbstractCegarLoop]: Abstraction has 7036 states and 9243 transitions. [2022-11-18 18:49:11,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (28), 7 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 18:49:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 7036 states and 9243 transitions. [2022-11-18 18:49:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 18:49:11,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:49:11,217 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:49:11,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-18 18:49:11,217 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:49:11,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:49:11,218 INFO L85 PathProgramCache]: Analyzing trace with hash 285095735, now seen corresponding path program 1 times [2022-11-18 18:49:11,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:49:11,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756777087] [2022-11-18 18:49:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:49:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:49:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:49:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:49:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:49:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:49:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:49:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:49:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:49:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:49:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:49:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:49:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:49:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:49:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:49:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:49:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 18:49:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:49:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:49:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:49:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:49:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:49:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:49:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 18:49:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-18 18:49:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-18 18:49:13,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:49:13,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756777087] [2022-11-18 18:49:13,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756777087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:49:13,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:49:13,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 18:49:13,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261465412] [2022-11-18 18:49:13,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:49:13,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 18:49:13,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:49:13,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 18:49:13,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:49:13,553 INFO L87 Difference]: Start difference. First operand 7036 states and 9243 transitions. Second operand has 11 states, 10 states have (on average 9.5) internal successors, (95), 5 states have internal predecessors, (95), 4 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-18 18:49:28,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:49:28,412 INFO L93 Difference]: Finished difference Result 8305 states and 10714 transitions. [2022-11-18 18:49:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:49:28,413 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.5) internal successors, (95), 5 states have internal predecessors, (95), 4 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 253 [2022-11-18 18:49:28,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:49:28,435 INFO L225 Difference]: With dead ends: 8305 [2022-11-18 18:49:28,435 INFO L226 Difference]: Without dead ends: 7119 [2022-11-18 18:49:28,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2022-11-18 18:49:28,443 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 3036 mSDsluCounter, 6072 mSDsCounter, 0 mSdLazyCounter, 9044 mSolverCounterSat, 3365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 7272 SdHoareTripleChecker+Invalid, 12409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3365 IncrementalHoareTripleChecker+Valid, 9044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:49:28,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 7272 Invalid, 12409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3365 Valid, 9044 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2022-11-18 18:49:28,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7119 states. [2022-11-18 18:49:29,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7119 to 7036. [2022-11-18 18:49:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7036 states, 4562 states have (on average 1.1964050854888206) internal successors, (5458), 4618 states have internal predecessors, (5458), 1863 states have call successors, (1863), 606 states have call predecessors, (1863), 603 states have return successors, (1918), 1853 states have call predecessors, (1918), 1859 states have call successors, (1918) [2022-11-18 18:49:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7036 states to 7036 states and 9239 transitions. [2022-11-18 18:49:29,371 INFO L78 Accepts]: Start accepts. Automaton has 7036 states and 9239 transitions. Word has length 253 [2022-11-18 18:49:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:49:29,372 INFO L495 AbstractCegarLoop]: Abstraction has 7036 states and 9239 transitions. [2022-11-18 18:49:29,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.5) internal successors, (95), 5 states have internal predecessors, (95), 4 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-18 18:49:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7036 states and 9239 transitions. [2022-11-18 18:49:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 18:49:29,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:49:29,373 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:49:29,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-18 18:49:29,374 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:49:29,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:49:29,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1086711563, now seen corresponding path program 1 times [2022-11-18 18:49:29,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:49:29,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947176156] [2022-11-18 18:49:29,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:49:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:49:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:49:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:49:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:49:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:49:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:49:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:49:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:49:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:49:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:49:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:49:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:49:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:49:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:49:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:49:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 18:49:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:49:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:49:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:49:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:49:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:49:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:49:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 18:49:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-18 18:49:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-11-18 18:49:37,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:49:37,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947176156] [2022-11-18 18:49:37,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947176156] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:49:37,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478011436] [2022-11-18 18:49:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:37,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:49:37,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:49:37,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:49:37,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:49:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:40,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 8251 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:49:40,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:49:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-11-18 18:49:40,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:49:40,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478011436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:49:40,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:49:40,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 16 [2022-11-18 18:49:40,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539854501] [2022-11-18 18:49:40,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:49:40,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:49:40,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:49:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:49:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:49:40,669 INFO L87 Difference]: Start difference. First operand 7036 states and 9239 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-18 18:49:42,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:49:42,335 INFO L93 Difference]: Finished difference Result 13999 states and 18380 transitions. [2022-11-18 18:49:42,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:49:42,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 253 [2022-11-18 18:49:42,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:49:42,352 INFO L225 Difference]: With dead ends: 13999 [2022-11-18 18:49:42,352 INFO L226 Difference]: Without dead ends: 6990 [2022-11-18 18:49:42,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:49:42,364 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 5 mSDsluCounter, 9459 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11840 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:49:42,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11840 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:49:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6990 states. [2022-11-18 18:49:43,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6990 to 6990. [2022-11-18 18:49:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 4535 states have (on average 1.1969128996692393) internal successors, (5428), 4588 states have internal predecessors, (5428), 1850 states have call successors, (1850), 600 states have call predecessors, (1850), 597 states have return successors, (1905), 1841 states have call predecessors, (1905), 1846 states have call successors, (1905) [2022-11-18 18:49:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9183 transitions. [2022-11-18 18:49:43,440 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9183 transitions. Word has length 253 [2022-11-18 18:49:43,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:49:43,441 INFO L495 AbstractCegarLoop]: Abstraction has 6990 states and 9183 transitions. [2022-11-18 18:49:43,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-18 18:49:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9183 transitions. [2022-11-18 18:49:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 18:49:43,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:49:43,443 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:49:43,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 18:49:43,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-11-18 18:49:43,645 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:49:43,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:49:43,645 INFO L85 PathProgramCache]: Analyzing trace with hash 448685107, now seen corresponding path program 1 times [2022-11-18 18:49:43,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:49:43,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13824158] [2022-11-18 18:49:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:43,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:49:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:49:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:49:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:49:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:49:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:49:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:49:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:49:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:49:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:49:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:49:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:49:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:49:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:49:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 18:49:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 18:49:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:49:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 18:49:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 18:49:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:49:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 18:49:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:49:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 18:49:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:49:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:49:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 18:49:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-18 18:49:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-11-18 18:49:49,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:49:49,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13824158] [2022-11-18 18:49:49,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13824158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:49:49,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867703885] [2022-11-18 18:49:49,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:49,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:49:49,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:49:49,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:49:49,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:49:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:53,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 8249 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 18:49:53,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:49:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2022-11-18 18:49:53,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:49:53,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867703885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:49:53,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:49:53,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [14] total 25 [2022-11-18 18:49:53,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400665469] [2022-11-18 18:49:53,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:49:53,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 18:49:53,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:49:53,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 18:49:53,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2022-11-18 18:49:53,613 INFO L87 Difference]: Start difference. First operand 6990 states and 9183 transitions. Second operand has 15 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-11-18 18:49:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:49:55,802 INFO L93 Difference]: Finished difference Result 8427 states and 10854 transitions. [2022-11-18 18:49:55,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 18:49:55,803 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 253 [2022-11-18 18:49:55,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:49:55,823 INFO L225 Difference]: With dead ends: 8427 [2022-11-18 18:49:55,823 INFO L226 Difference]: Without dead ends: 6990 [2022-11-18 18:49:55,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 18:49:55,829 INFO L413 NwaCegarLoop]: 2372 mSDtfsCounter, 61 mSDsluCounter, 30731 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 33103 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:49:55,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 33103 Invalid, 649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 18:49:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6990 states. [2022-11-18 18:49:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6990 to 6990. [2022-11-18 18:49:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 4535 states have (on average 1.1966923925027564) internal successors, (5427), 4588 states have internal predecessors, (5427), 1850 states have call successors, (1850), 600 states have call predecessors, (1850), 597 states have return successors, (1905), 1841 states have call predecessors, (1905), 1846 states have call successors, (1905) [2022-11-18 18:49:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9182 transitions. [2022-11-18 18:49:56,738 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9182 transitions. Word has length 253 [2022-11-18 18:49:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:49:56,739 INFO L495 AbstractCegarLoop]: Abstraction has 6990 states and 9182 transitions. [2022-11-18 18:49:56,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-11-18 18:49:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9182 transitions. [2022-11-18 18:49:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-18 18:49:56,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:49:56,741 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:49:56,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-18 18:49:56,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:49:56,955 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:49:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:49:56,955 INFO L85 PathProgramCache]: Analyzing trace with hash 478876178, now seen corresponding path program 1 times [2022-11-18 18:49:56,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:49:56,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989468935] [2022-11-18 18:49:56,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:56,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:49:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:50:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:50:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:50:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:50:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:01,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:50:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:50:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:50:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:50:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:50:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:50:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:50:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:50:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:50:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:50:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:50:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 18:50:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 18:50:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 18:50:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 18:50:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-18 18:50:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 18:50:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 18:50:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 18:50:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:50:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:50:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-18 18:50:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-18 18:50:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2022-11-18 18:50:02,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:50:02,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989468935] [2022-11-18 18:50:02,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989468935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:50:02,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935491833] [2022-11-18 18:50:02,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:02,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:50:02,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:50:02,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:50:02,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 18:50:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 8338 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 18:50:05,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:50:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-11-18 18:50:06,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:50:06,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935491833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:50:06,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:50:06,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [14] total 25 [2022-11-18 18:50:06,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532408223] [2022-11-18 18:50:06,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:50:06,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 18:50:06,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:50:06,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 18:50:06,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2022-11-18 18:50:06,117 INFO L87 Difference]: Start difference. First operand 6990 states and 9182 transitions. Second operand has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-11-18 18:50:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:50:08,810 INFO L93 Difference]: Finished difference Result 9137 states and 11882 transitions. [2022-11-18 18:50:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 18:50:08,810 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) Word has length 279 [2022-11-18 18:50:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:50:08,830 INFO L225 Difference]: With dead ends: 9137 [2022-11-18 18:50:08,830 INFO L226 Difference]: Without dead ends: 7330 [2022-11-18 18:50:08,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 18:50:08,838 INFO L413 NwaCegarLoop]: 2561 mSDtfsCounter, 584 mSDsluCounter, 32024 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 34585 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:50:08,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 34585 Invalid, 1191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [406 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 18:50:08,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7330 states. [2022-11-18 18:50:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7330 to 7008. [2022-11-18 18:50:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7008 states, 4547 states have (on average 1.1955135254013636) internal successors, (5436), 4600 states have internal predecessors, (5436), 1856 states have call successors, (1856), 600 states have call predecessors, (1856), 597 states have return successors, (1911), 1847 states have call predecessors, (1911), 1852 states have call successors, (1911) [2022-11-18 18:50:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7008 states to 7008 states and 9203 transitions. [2022-11-18 18:50:09,841 INFO L78 Accepts]: Start accepts. Automaton has 7008 states and 9203 transitions. Word has length 279 [2022-11-18 18:50:09,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:50:09,842 INFO L495 AbstractCegarLoop]: Abstraction has 7008 states and 9203 transitions. [2022-11-18 18:50:09,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.928571428571429) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-11-18 18:50:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7008 states and 9203 transitions. [2022-11-18 18:50:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-18 18:50:09,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:50:09,845 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:50:09,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:50:10,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:50:10,053 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:50:10,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:50:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash -434477286, now seen corresponding path program 1 times [2022-11-18 18:50:10,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:50:10,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814414552] [2022-11-18 18:50:10,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:50:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:50:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:50:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:50:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:50:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:50:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:50:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:50:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:50:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:50:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:50:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:50:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:50:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:50:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:50:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:50:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 18:50:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:50:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 18:50:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 18:50:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-18 18:50:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 18:50:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-18 18:50:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-18 18:50:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-18 18:50:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-18 18:50:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:50:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:50:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-18 18:50:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 19 proven. 48 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-11-18 18:50:15,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:50:15,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814414552] [2022-11-18 18:50:15,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814414552] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:50:15,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124581776] [2022-11-18 18:50:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:15,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:50:15,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:50:15,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:50:15,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 18:50:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:18,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 8389 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-18 18:50:18,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:50:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-11-18 18:50:19,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:50:19,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124581776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:50:19,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:50:19,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [14] total 26 [2022-11-18 18:50:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742665811] [2022-11-18 18:50:19,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:50:19,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 18:50:19,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:50:19,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 18:50:19,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=599, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:50:19,071 INFO L87 Difference]: Start difference. First operand 7008 states and 9203 transitions. Second operand has 16 states, 15 states have (on average 8.533333333333333) internal successors, (128), 15 states have internal predecessors, (128), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-18 18:50:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:50:21,228 INFO L93 Difference]: Finished difference Result 8460 states and 10897 transitions. [2022-11-18 18:50:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 18:50:21,229 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.533333333333333) internal successors, (128), 15 states have internal predecessors, (128), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) Word has length 299 [2022-11-18 18:50:21,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:50:21,251 INFO L225 Difference]: With dead ends: 8460 [2022-11-18 18:50:21,251 INFO L226 Difference]: Without dead ends: 7018 [2022-11-18 18:50:21,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2022-11-18 18:50:21,258 INFO L413 NwaCegarLoop]: 2377 mSDtfsCounter, 88 mSDsluCounter, 33140 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 35517 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:50:21,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 35517 Invalid, 713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:50:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7018 states. [2022-11-18 18:50:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7018 to 7008. [2022-11-18 18:50:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7008 states, 4547 states have (on average 1.1946338244996701) internal successors, (5432), 4597 states have internal predecessors, (5432), 1856 states have call successors, (1856), 600 states have call predecessors, (1856), 597 states have return successors, (1911), 1847 states have call predecessors, (1911), 1852 states have call successors, (1911) [2022-11-18 18:50:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7008 states to 7008 states and 9199 transitions. [2022-11-18 18:50:22,098 INFO L78 Accepts]: Start accepts. Automaton has 7008 states and 9199 transitions. Word has length 299 [2022-11-18 18:50:22,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:50:22,098 INFO L495 AbstractCegarLoop]: Abstraction has 7008 states and 9199 transitions. [2022-11-18 18:50:22,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.533333333333333) internal successors, (128), 15 states have internal predecessors, (128), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-18 18:50:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 7008 states and 9199 transitions. [2022-11-18 18:50:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-18 18:50:22,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:50:22,101 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:50:22,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:50:22,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-11-18 18:50:22,301 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:50:22,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:50:22,302 INFO L85 PathProgramCache]: Analyzing trace with hash 18573376, now seen corresponding path program 1 times [2022-11-18 18:50:22,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:50:22,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052722881] [2022-11-18 18:50:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:50:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:50:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:50:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:50:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:50:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:50:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:50:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:50:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:50:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:50:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:50:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:50:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:50:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:50:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:50:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:50:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:50:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:50:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:50:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:50:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 18:50:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 18:50:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 18:50:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:50:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:50:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:50:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-18 18:50:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 18:50:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-18 18:50:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 18:50:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 18:50:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 18:50:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 18:50:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 18:50:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:50:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 18:50:23,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:50:23,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052722881] [2022-11-18 18:50:23,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052722881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:50:23,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:50:23,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 18:50:23,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857883019] [2022-11-18 18:50:23,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:50:23,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 18:50:23,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:50:23,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 18:50:23,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:50:23,665 INFO L87 Difference]: Start difference. First operand 7008 states and 9199 transitions. Second operand has 11 states, 9 states have (on average 13.777777777777779) internal successors, (124), 4 states have internal predecessors, (124), 5 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2022-11-18 18:50:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:50:41,562 INFO L93 Difference]: Finished difference Result 14510 states and 19457 transitions. [2022-11-18 18:50:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 18:50:41,563 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 13.777777777777779) internal successors, (124), 4 states have internal predecessors, (124), 5 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) Word has length 410 [2022-11-18 18:50:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:50:41,582 INFO L225 Difference]: With dead ends: 14510 [2022-11-18 18:50:41,582 INFO L226 Difference]: Without dead ends: 7623 [2022-11-18 18:50:41,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:50:41,597 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 4143 mSDsluCounter, 6271 mSDsCounter, 0 mSdLazyCounter, 9032 mSolverCounterSat, 4406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4143 SdHoareTripleChecker+Valid, 7479 SdHoareTripleChecker+Invalid, 13438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4406 IncrementalHoareTripleChecker+Valid, 9032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:50:41,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4143 Valid, 7479 Invalid, 13438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4406 Valid, 9032 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-11-18 18:50:41,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7623 states. [2022-11-18 18:50:42,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7623 to 7266. [2022-11-18 18:50:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7266 states, 4733 states have (on average 1.1971265582083246) internal successors, (5666), 4789 states have internal predecessors, (5666), 1922 states have call successors, (1922), 606 states have call predecessors, (1922), 603 states have return successors, (1977), 1907 states have call predecessors, (1977), 1918 states have call successors, (1977) [2022-11-18 18:50:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7266 states to 7266 states and 9565 transitions. [2022-11-18 18:50:42,508 INFO L78 Accepts]: Start accepts. Automaton has 7266 states and 9565 transitions. Word has length 410 [2022-11-18 18:50:42,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:50:42,509 INFO L495 AbstractCegarLoop]: Abstraction has 7266 states and 9565 transitions. [2022-11-18 18:50:42,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 13.777777777777779) internal successors, (124), 4 states have internal predecessors, (124), 5 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2022-11-18 18:50:42,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7266 states and 9565 transitions. [2022-11-18 18:50:42,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-18 18:50:42,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:50:42,512 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:50:42,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-18 18:50:42,512 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:50:42,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:50:42,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1556913406, now seen corresponding path program 1 times [2022-11-18 18:50:42,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:50:42,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261638104] [2022-11-18 18:50:42,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:50:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:50:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:50:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:50:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:50:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:50:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:50:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:50:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:50:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:50:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:50:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:50:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:50:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:50:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:50:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:50:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:50:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:50:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:50:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:50:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:50:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:50:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 18:50:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 18:50:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 18:50:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:50:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:50:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:50:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-18 18:50:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 18:50:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-18 18:50:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 18:50:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 18:50:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 18:50:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 18:50:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 18:50:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:50:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2022-11-18 18:50:45,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:50:45,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261638104] [2022-11-18 18:50:45,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261638104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:50:45,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:50:45,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:50:45,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026781035] [2022-11-18 18:50:45,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:50:45,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 18:50:45,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:50:45,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 18:50:45,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:50:45,146 INFO L87 Difference]: Start difference. First operand 7266 states and 9565 transitions. Second operand has 12 states, 10 states have (on average 12.6) internal successors, (126), 5 states have internal predecessors, (126), 4 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2022-11-18 18:51:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:51:04,042 INFO L93 Difference]: Finished difference Result 14748 states and 19902 transitions. [2022-11-18 18:51:04,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 18:51:04,042 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 12.6) internal successors, (126), 5 states have internal predecessors, (126), 4 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) Word has length 410 [2022-11-18 18:51:04,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:51:04,062 INFO L225 Difference]: With dead ends: 14748 [2022-11-18 18:51:04,062 INFO L226 Difference]: Without dead ends: 7603 [2022-11-18 18:51:04,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:51:04,079 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 3880 mSDsluCounter, 7170 mSDsCounter, 0 mSdLazyCounter, 10509 mSolverCounterSat, 4211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3880 SdHoareTripleChecker+Valid, 8365 SdHoareTripleChecker+Invalid, 14720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4211 IncrementalHoareTripleChecker+Valid, 10509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:51:04,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3880 Valid, 8365 Invalid, 14720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4211 Valid, 10509 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-11-18 18:51:04,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7603 states. [2022-11-18 18:51:05,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7603 to 7266. [2022-11-18 18:51:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7266 states, 4733 states have (on average 1.1937460384534122) internal successors, (5650), 4789 states have internal predecessors, (5650), 1922 states have call successors, (1922), 606 states have call predecessors, (1922), 603 states have return successors, (1977), 1907 states have call predecessors, (1977), 1918 states have call successors, (1977) [2022-11-18 18:51:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7266 states to 7266 states and 9549 transitions. [2022-11-18 18:51:05,080 INFO L78 Accepts]: Start accepts. Automaton has 7266 states and 9549 transitions. Word has length 410 [2022-11-18 18:51:05,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:51:05,081 INFO L495 AbstractCegarLoop]: Abstraction has 7266 states and 9549 transitions. [2022-11-18 18:51:05,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 12.6) internal successors, (126), 5 states have internal predecessors, (126), 4 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 4 states have call successors, (41) [2022-11-18 18:51:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 7266 states and 9549 transitions. [2022-11-18 18:51:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-11-18 18:51:05,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:51:05,085 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:51:05,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-18 18:51:05,086 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:51:05,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:51:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash 407644214, now seen corresponding path program 1 times [2022-11-18 18:51:05,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:51:05,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973037700] [2022-11-18 18:51:05,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:51:05,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:51:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:51:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:51:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:51:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:51:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:51:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:51:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:51:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:51:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:51:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:51:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:51:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:51:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:51:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:51:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:51:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:51:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:51:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:51:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:51:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 18:51:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 18:51:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 18:51:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:51:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:51:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:51:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 18:51:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-18 18:51:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-18 18:51:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-11-18 18:51:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 18:51:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 18:51:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 18:51:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 18:51:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:51:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 18:51:06,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:51:06,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973037700] [2022-11-18 18:51:06,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973037700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:51:06,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:51:06,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 18:51:06,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156290889] [2022-11-18 18:51:06,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:51:06,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:51:06,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:51:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:51:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:51:06,376 INFO L87 Difference]: Start difference. First operand 7266 states and 9549 transitions. Second operand has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-18 18:51:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:51:22,858 INFO L93 Difference]: Finished difference Result 14736 states and 19674 transitions. [2022-11-18 18:51:22,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 18:51:22,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) Word has length 411 [2022-11-18 18:51:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:51:22,881 INFO L225 Difference]: With dead ends: 14736 [2022-11-18 18:51:22,881 INFO L226 Difference]: Without dead ends: 7591 [2022-11-18 18:51:22,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-11-18 18:51:22,899 INFO L413 NwaCegarLoop]: 1207 mSDtfsCounter, 3861 mSDsluCounter, 5356 mSDsCounter, 0 mSdLazyCounter, 7470 mSolverCounterSat, 4226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3861 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 11696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4226 IncrementalHoareTripleChecker+Valid, 7470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:51:22,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3861 Valid, 6563 Invalid, 11696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4226 Valid, 7470 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2022-11-18 18:51:22,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7591 states. [2022-11-18 18:51:23,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7591 to 7254. [2022-11-18 18:51:23,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7254 states, 4727 states have (on average 1.1914533530780622) internal successors, (5632), 4777 states have internal predecessors, (5632), 1916 states have call successors, (1916), 606 states have call predecessors, (1916), 603 states have return successors, (1971), 1907 states have call predecessors, (1971), 1912 states have call successors, (1971) [2022-11-18 18:51:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7254 states to 7254 states and 9519 transitions. [2022-11-18 18:51:23,897 INFO L78 Accepts]: Start accepts. Automaton has 7254 states and 9519 transitions. Word has length 411 [2022-11-18 18:51:23,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:51:23,898 INFO L495 AbstractCegarLoop]: Abstraction has 7254 states and 9519 transitions. [2022-11-18 18:51:23,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-18 18:51:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7254 states and 9519 transitions. [2022-11-18 18:51:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-18 18:51:23,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:51:23,901 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:51:23,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-18 18:51:23,901 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:51:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:51:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -288453760, now seen corresponding path program 1 times [2022-11-18 18:51:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:51:23,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773503733] [2022-11-18 18:51:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:51:23,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:51:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:25,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:51:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:51:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:51:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:51:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:51:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:51:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:51:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:51:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:51:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:51:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:51:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:51:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:51:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:51:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:51:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:51:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:51:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:51:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:51:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 18:51:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 18:51:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 18:51:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:51:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:51:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:51:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-18 18:51:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 18:51:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-18 18:51:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 18:51:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 18:51:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 18:51:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 18:51:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 18:51:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:51:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 18:51:26,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:51:26,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773503733] [2022-11-18 18:51:26,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773503733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:51:26,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:51:26,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:51:26,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756107369] [2022-11-18 18:51:26,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:51:26,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 18:51:26,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:51:26,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 18:51:26,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:51:26,443 INFO L87 Difference]: Start difference. First operand 7254 states and 9519 transitions. Second operand has 12 states, 11 states have (on average 11.272727272727273) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-18 18:51:47,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:51:47,363 INFO L93 Difference]: Finished difference Result 15706 states and 20874 transitions. [2022-11-18 18:51:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 18:51:47,364 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 11.272727272727273) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) Word has length 410 [2022-11-18 18:51:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:51:47,393 INFO L225 Difference]: With dead ends: 15706 [2022-11-18 18:51:47,394 INFO L226 Difference]: Without dead ends: 8573 [2022-11-18 18:51:47,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2022-11-18 18:51:47,414 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 4165 mSDsluCounter, 7180 mSDsCounter, 0 mSdLazyCounter, 10686 mSolverCounterSat, 4441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 8389 SdHoareTripleChecker+Invalid, 15127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4441 IncrementalHoareTripleChecker+Valid, 10686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:51:47,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4165 Valid, 8389 Invalid, 15127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4441 Valid, 10686 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-11-18 18:51:47,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8573 states. [2022-11-18 18:51:48,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8573 to 7542. [2022-11-18 18:51:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7542 states, 4937 states have (on average 1.190601579906826) internal successors, (5878), 4987 states have internal predecessors, (5878), 1982 states have call successors, (1982), 618 states have call predecessors, (1982), 615 states have return successors, (2037), 1973 states have call predecessors, (2037), 1978 states have call successors, (2037) [2022-11-18 18:51:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7542 states to 7542 states and 9897 transitions. [2022-11-18 18:51:48,539 INFO L78 Accepts]: Start accepts. Automaton has 7542 states and 9897 transitions. Word has length 410 [2022-11-18 18:51:48,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:51:48,539 INFO L495 AbstractCegarLoop]: Abstraction has 7542 states and 9897 transitions. [2022-11-18 18:51:48,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.272727272727273) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (44), 9 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-18 18:51:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 7542 states and 9897 transitions. [2022-11-18 18:51:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-11-18 18:51:48,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:51:48,543 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:51:48,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-18 18:51:48,543 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:51:48,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:51:48,544 INFO L85 PathProgramCache]: Analyzing trace with hash -772630620, now seen corresponding path program 1 times [2022-11-18 18:51:48,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:51:48,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393305123] [2022-11-18 18:51:48,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:51:48,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:51:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:51:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:51:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:51:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:51:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:51:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:51:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:51:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:51:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:51:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:51:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:51:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:51:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:51:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:51:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:51:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:51:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:51:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:51:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:51:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 18:51:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 18:51:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 18:51:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:51:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:51:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:51:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 18:51:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-18 18:51:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-11-18 18:51:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-11-18 18:51:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 18:51:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 18:51:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 18:51:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 18:51:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:51:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 18:51:51,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:51:51,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393305123] [2022-11-18 18:51:51,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393305123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:51:51,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:51:51,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 18:51:51,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488678073] [2022-11-18 18:51:51,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:51:51,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:51:51,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:51:51,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:51:51,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:51:51,143 INFO L87 Difference]: Start difference. First operand 7542 states and 9897 transitions. Second operand has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-18 18:52:10,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:52:10,011 INFO L93 Difference]: Finished difference Result 15284 states and 20560 transitions. [2022-11-18 18:52:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 18:52:10,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) Word has length 411 [2022-11-18 18:52:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:52:10,030 INFO L225 Difference]: With dead ends: 15284 [2022-11-18 18:52:10,030 INFO L226 Difference]: Without dead ends: 7805 [2022-11-18 18:52:10,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2022-11-18 18:52:10,049 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 3849 mSDsluCounter, 5355 mSDsCounter, 0 mSdLazyCounter, 7481 mSolverCounterSat, 4199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 11680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4199 IncrementalHoareTripleChecker+Valid, 7481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:52:10,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 6565 Invalid, 11680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4199 Valid, 7481 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-11-18 18:52:10,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7805 states. [2022-11-18 18:52:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7805 to 7552. [2022-11-18 18:52:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7552 states, 4947 states have (on average 1.190216292702648) internal successors, (5888), 4997 states have internal predecessors, (5888), 1982 states have call successors, (1982), 618 states have call predecessors, (1982), 615 states have return successors, (2037), 1973 states have call predecessors, (2037), 1978 states have call successors, (2037) [2022-11-18 18:52:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7552 states to 7552 states and 9907 transitions. [2022-11-18 18:52:11,027 INFO L78 Accepts]: Start accepts. Automaton has 7552 states and 9907 transitions. Word has length 411 [2022-11-18 18:52:11,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:52:11,028 INFO L495 AbstractCegarLoop]: Abstraction has 7552 states and 9907 transitions. [2022-11-18 18:52:11,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-18 18:52:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 7552 states and 9907 transitions. [2022-11-18 18:52:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-11-18 18:52:11,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:52:11,031 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:52:11,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-18 18:52:11,031 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:52:11,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:52:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1149121546, now seen corresponding path program 1 times [2022-11-18 18:52:11,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:52:11,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49288164] [2022-11-18 18:52:11,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:52:11,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:52:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:52:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:52:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:52:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:52:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:52:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:52:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:52:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:52:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:52:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 18:52:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:52:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 18:52:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 18:52:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 18:52:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 18:52:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 18:52:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 18:52:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:52:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-18 18:52:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:52:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:52:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 18:52:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 18:52:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 18:52:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:52:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:52:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 18:52:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 18:52:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-18 18:52:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-18 18:52:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-18 18:52:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-18 18:52:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-18 18:52:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-18 18:52:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-18 18:52:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:52:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 18:52:13,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:52:13,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49288164] [2022-11-18 18:52:13,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49288164] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:52:13,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141648219] [2022-11-18 18:52:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:52:13,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:52:13,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:52:13,830 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:52:13,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 18:52:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:19,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 9189 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-18 18:52:19,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:52:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 667 proven. 3 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2022-11-18 18:52:19,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:52:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 18 proven. 111 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2022-11-18 18:52:20,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141648219] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:52:20,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:52:20,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 23 [2022-11-18 18:52:20,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200773740] [2022-11-18 18:52:20,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:52:20,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-18 18:52:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:52:20,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 18:52:20,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2022-11-18 18:52:20,362 INFO L87 Difference]: Start difference. First operand 7552 states and 9907 transitions. Second operand has 23 states, 21 states have (on average 11.80952380952381) internal successors, (248), 15 states have internal predecessors, (248), 6 states have call successors, (111), 8 states have call predecessors, (111), 6 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2022-11-18 18:52:48,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:53:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:53:06,955 INFO L93 Difference]: Finished difference Result 15363 states and 20662 transitions. [2022-11-18 18:53:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 18:53:06,956 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 11.80952380952381) internal successors, (248), 15 states have internal predecessors, (248), 6 states have call successors, (111), 8 states have call predecessors, (111), 6 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 412 [2022-11-18 18:53:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:53:06,982 INFO L225 Difference]: With dead ends: 15363 [2022-11-18 18:53:06,983 INFO L226 Difference]: Without dead ends: 7815 [2022-11-18 18:53:06,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 993 GetRequests, 954 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=267, Invalid=1373, Unknown=0, NotChecked=0, Total=1640 [2022-11-18 18:53:06,998 INFO L413 NwaCegarLoop]: 1192 mSDtfsCounter, 5054 mSDsluCounter, 13764 mSDsCounter, 0 mSdLazyCounter, 22316 mSolverCounterSat, 4495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5353 SdHoareTripleChecker+Valid, 14956 SdHoareTripleChecker+Invalid, 26811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 22316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:53:06,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5353 Valid, 14956 Invalid, 26811 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4495 Valid, 22316 Invalid, 0 Unknown, 0 Unchecked, 43.5s Time] [2022-11-18 18:53:07,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2022-11-18 18:53:08,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 7562. [2022-11-18 18:53:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7562 states, 4957 states have (on average 1.189630825095824) internal successors, (5897), 5006 states have internal predecessors, (5897), 1982 states have call successors, (1982), 618 states have call predecessors, (1982), 615 states have return successors, (2037), 1973 states have call predecessors, (2037), 1978 states have call successors, (2037) [2022-11-18 18:53:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7562 states to 7562 states and 9916 transitions. [2022-11-18 18:53:08,180 INFO L78 Accepts]: Start accepts. Automaton has 7562 states and 9916 transitions. Word has length 412 [2022-11-18 18:53:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:53:08,180 INFO L495 AbstractCegarLoop]: Abstraction has 7562 states and 9916 transitions. [2022-11-18 18:53:08,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 11.80952380952381) internal successors, (248), 15 states have internal predecessors, (248), 6 states have call successors, (111), 8 states have call predecessors, (111), 6 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2022-11-18 18:53:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 7562 states and 9916 transitions. [2022-11-18 18:53:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-11-18 18:53:08,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:53:08,185 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:53:08,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:53:08,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-11-18 18:53:08,386 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:53:08,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:53:08,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2043311705, now seen corresponding path program 1 times [2022-11-18 18:53:08,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:53:08,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144925008] [2022-11-18 18:53:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:53:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:53:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:53:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:53:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:53:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:53:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:53:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 18:53:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:53:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 18:53:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:53:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 18:53:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 18:53:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:53:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 18:53:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 18:53:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 18:53:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:53:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 18:53:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 18:53:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-18 18:53:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 18:53:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-18 18:53:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-18 18:53:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-18 18:53:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:53:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 18:53:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-18 18:53:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-18 18:53:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-18 18:53:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-11-18 18:53:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 18:53:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 18:53:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-18 18:53:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-18 18:53:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 18:53:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:53:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 18:53:11,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:53:11,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144925008] [2022-11-18 18:53:11,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144925008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:53:11,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524326637] [2022-11-18 18:53:11,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:53:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:53:11,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:53:11,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:53:11,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 18:53:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:18,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 9222 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-18 18:53:18,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:53:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 454 proven. 3 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2022-11-18 18:53:18,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:53:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 6 proven. 123 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2022-11-18 18:53:19,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524326637] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:53:19,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:53:19,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 8] total 25 [2022-11-18 18:53:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295487704] [2022-11-18 18:53:19,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:53:19,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 18:53:19,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:53:19,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 18:53:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2022-11-18 18:53:19,469 INFO L87 Difference]: Start difference. First operand 7562 states and 9916 transitions. Second operand has 25 states, 23 states have (on average 11.173913043478262) internal successors, (257), 16 states have internal predecessors, (257), 6 states have call successors, (115), 9 states have call predecessors, (115), 6 states have return successors, (109), 6 states have call predecessors, (109), 6 states have call successors, (109) [2022-11-18 18:53:47,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:54:04,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:54:04,393 INFO L93 Difference]: Finished difference Result 15388 states and 20688 transitions. [2022-11-18 18:54:04,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-18 18:54:04,394 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 11.173913043478262) internal successors, (257), 16 states have internal predecessors, (257), 6 states have call successors, (115), 9 states have call predecessors, (115), 6 states have return successors, (109), 6 states have call predecessors, (109), 6 states have call successors, (109) Word has length 417 [2022-11-18 18:54:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:54:04,414 INFO L225 Difference]: With dead ends: 15388 [2022-11-18 18:54:04,414 INFO L226 Difference]: Without dead ends: 7825 [2022-11-18 18:54:04,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1007 GetRequests, 965 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=299, Invalid=1593, Unknown=0, NotChecked=0, Total=1892 [2022-11-18 18:54:04,432 INFO L413 NwaCegarLoop]: 1190 mSDtfsCounter, 5065 mSDsluCounter, 14298 mSDsCounter, 0 mSdLazyCounter, 23241 mSolverCounterSat, 4511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5367 SdHoareTripleChecker+Valid, 15488 SdHoareTripleChecker+Invalid, 27752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4511 IncrementalHoareTripleChecker+Valid, 23241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:54:04,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5367 Valid, 15488 Invalid, 27752 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4511 Valid, 23241 Invalid, 0 Unknown, 0 Unchecked, 41.7s Time] [2022-11-18 18:54:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2022-11-18 18:54:05,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 7572. [2022-11-18 18:54:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7572 states, 4967 states have (on average 1.189047714918462) internal successors, (5906), 5015 states have internal predecessors, (5906), 1982 states have call successors, (1982), 618 states have call predecessors, (1982), 615 states have return successors, (2037), 1973 states have call predecessors, (2037), 1978 states have call successors, (2037) [2022-11-18 18:54:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 9925 transitions. [2022-11-18 18:54:05,676 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 9925 transitions. Word has length 417 [2022-11-18 18:54:05,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:54:05,676 INFO L495 AbstractCegarLoop]: Abstraction has 7572 states and 9925 transitions. [2022-11-18 18:54:05,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 11.173913043478262) internal successors, (257), 16 states have internal predecessors, (257), 6 states have call successors, (115), 9 states have call predecessors, (115), 6 states have return successors, (109), 6 states have call predecessors, (109), 6 states have call successors, (109) [2022-11-18 18:54:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 9925 transitions. [2022-11-18 18:54:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-11-18 18:54:05,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:54:05,679 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:54:05,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 18:54:05,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-11-18 18:54:05,880 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:54:05,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:54:05,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1601813142, now seen corresponding path program 1 times [2022-11-18 18:54:05,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:54:05,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621316816] [2022-11-18 18:54:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:54:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:54:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:54:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:54:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:54:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:54:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:54:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:54:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:54:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 18:54:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:54:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:54:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 18:54:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:54:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 18:54:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:54:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 18:54:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:54:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:54:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:54:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 18:54:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 18:54:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:54:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:54:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:54:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-18 18:54:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-18 18:54:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-18 18:54:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:54:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-18 18:54:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 18:54:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 18:54:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-11-18 18:54:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-18 18:54:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 18:54:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 18:54:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-18 18:54:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 18:54:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-18 18:54:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:54:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:54:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1754 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2022-11-18 18:54:09,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:54:09,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621316816] [2022-11-18 18:54:09,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621316816] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:54:09,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312806574] [2022-11-18 18:54:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:54:09,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:54:09,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:54:09,571 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:54:09,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 18:54:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:54:15,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 9255 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-18 18:54:15,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:54:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1754 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 1603 trivial. 0 not checked. [2022-11-18 18:54:15,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:54:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1754 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2022-11-18 18:54:16,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312806574] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:54:16,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:54:16,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 8] total 26 [2022-11-18 18:54:16,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812642947] [2022-11-18 18:54:16,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:54:16,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 18:54:16,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:54:16,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 18:54:16,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:54:16,463 INFO L87 Difference]: Start difference. First operand 7572 states and 9925 transitions. Second operand has 26 states, 24 states have (on average 9.0) internal successors, (216), 17 states have internal predecessors, (216), 6 states have call successors, (97), 9 states have call predecessors, (97), 6 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2022-11-18 18:55:11,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:55:11,340 INFO L93 Difference]: Finished difference Result 16767 states and 23096 transitions. [2022-11-18 18:55:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 18:55:11,341 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 9.0) internal successors, (216), 17 states have internal predecessors, (216), 6 states have call successors, (97), 9 states have call predecessors, (97), 6 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) Word has length 422 [2022-11-18 18:55:11,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:55:11,368 INFO L225 Difference]: With dead ends: 16767 [2022-11-18 18:55:11,368 INFO L226 Difference]: Without dead ends: 9258 [2022-11-18 18:55:11,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=317, Invalid=1753, Unknown=0, NotChecked=0, Total=2070 [2022-11-18 18:55:11,387 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 5309 mSDsluCounter, 24490 mSDsCounter, 0 mSdLazyCounter, 29183 mSolverCounterSat, 5034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5571 SdHoareTripleChecker+Valid, 26354 SdHoareTripleChecker+Invalid, 34217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5034 IncrementalHoareTripleChecker+Valid, 29183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:55:11,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5571 Valid, 26354 Invalid, 34217 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5034 Valid, 29183 Invalid, 0 Unknown, 0 Unchecked, 51.0s Time] [2022-11-18 18:55:11,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9258 states. [2022-11-18 18:55:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9258 to 7582. [2022-11-18 18:55:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7582 states, 4977 states have (on average 1.188466947960619) internal successors, (5915), 5025 states have internal predecessors, (5915), 1982 states have call successors, (1982), 618 states have call predecessors, (1982), 615 states have return successors, (2037), 1973 states have call predecessors, (2037), 1978 states have call successors, (2037) [2022-11-18 18:55:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7582 states to 7582 states and 9934 transitions. [2022-11-18 18:55:12,874 INFO L78 Accepts]: Start accepts. Automaton has 7582 states and 9934 transitions. Word has length 422 [2022-11-18 18:55:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:55:12,875 INFO L495 AbstractCegarLoop]: Abstraction has 7582 states and 9934 transitions. [2022-11-18 18:55:12,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 9.0) internal successors, (216), 17 states have internal predecessors, (216), 6 states have call successors, (97), 9 states have call predecessors, (97), 6 states have return successors, (76), 6 states have call predecessors, (76), 6 states have call successors, (76) [2022-11-18 18:55:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 7582 states and 9934 transitions. [2022-11-18 18:55:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-18 18:55:12,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:55:12,878 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:55:12,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:55:13,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-11-18 18:55:13,080 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 32 more)] === [2022-11-18 18:55:13,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:55:13,080 INFO L85 PathProgramCache]: Analyzing trace with hash -542971002, now seen corresponding path program 1 times [2022-11-18 18:55:13,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:55:13,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974547825] [2022-11-18 18:55:13,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:55:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:55:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:55:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:55:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:55:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:55:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:55:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:55:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:55:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 18:55:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:55:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:55:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 18:55:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:55:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 18:55:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:55:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 18:55:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:55:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 18:55:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:55:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:55:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 18:55:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 18:55:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 18:55:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 18:55:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-18 18:55:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 18:55:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 18:55:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 18:55:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 18:55:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:55:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 18:55:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-18 18:55:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-18 18:55:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 18:55:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-18 18:55:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 18:55:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 18:55:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 18:55:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-18 18:55:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-18 18:55:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-18 18:55:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-18 18:55:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-18 18:55:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-18 18:55:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-18 18:55:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-18 18:55:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-18 18:55:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 18:55:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 18:55:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-11-18 18:55:15,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:55:15,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974547825] [2022-11-18 18:55:15,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974547825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:55:15,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:55:15,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 18:55:15,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947770025] [2022-11-18 18:55:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:55:15,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 18:55:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:55:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 18:55:15,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:55:15,808 INFO L87 Difference]: Start difference. First operand 7582 states and 9934 transitions. Second operand has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (58), 9 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-18 18:55:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:55:35,147 INFO L93 Difference]: Finished difference Result 7961 states and 10531 transitions. [2022-11-18 18:55:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 18:55:35,147 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (58), 9 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 375 [2022-11-18 18:55:35,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:55:35,167 INFO L225 Difference]: With dead ends: 7961 [2022-11-18 18:55:35,167 INFO L226 Difference]: Without dead ends: 7959 [2022-11-18 18:55:35,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-18 18:55:35,172 INFO L413 NwaCegarLoop]: 1205 mSDtfsCounter, 4868 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 6836 mSolverCounterSat, 4470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5126 SdHoareTripleChecker+Valid, 5314 SdHoareTripleChecker+Invalid, 11306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4470 IncrementalHoareTripleChecker+Valid, 6836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:55:35,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5126 Valid, 5314 Invalid, 11306 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4470 Valid, 6836 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-11-18 18:55:35,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7959 states. [2022-11-18 18:55:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7959 to 7696. [2022-11-18 18:55:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7696 states, 5054 states have (on average 1.1861891571032845) internal successors, (5995), 5110 states have internal predecessors, (5995), 1988 states have call successors, (1988), 634 states have call predecessors, (1988), 646 states have return successors, (2088), 1986 states have call predecessors, (2088), 1984 states have call successors, (2088) [2022-11-18 18:55:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7696 states to 7696 states and 10071 transitions. [2022-11-18 18:55:36,635 INFO L78 Accepts]: Start accepts. Automaton has 7696 states and 10071 transitions. Word has length 375 [2022-11-18 18:55:36,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:55:36,636 INFO L495 AbstractCegarLoop]: Abstraction has 7696 states and 10071 transitions. [2022-11-18 18:55:36,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (58), 9 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-18 18:55:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 7696 states and 10071 transitions. [2022-11-18 18:55:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-11-18 18:55:36,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:55:36,642 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:55:36,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-18 18:55:36,642 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:55:36,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:55:36,643 INFO L85 PathProgramCache]: Analyzing trace with hash 863552839, now seen corresponding path program 1 times [2022-11-18 18:55:36,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:55:36,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78684445] [2022-11-18 18:55:36,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:55:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:55:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:55:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:55:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:55:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:55:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:55:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:55:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:55:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 18:55:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:55:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:55:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 18:55:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:55:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 18:55:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:55:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 18:55:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:55:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:55:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:55:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 18:55:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 18:55:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:55:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-18 18:55:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-18 18:55:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-18 18:55:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:55:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:55:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 18:55:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-18 18:55:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-18 18:55:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-18 18:55:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-18 18:55:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 18:55:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 18:55:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 18:55:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-18 18:55:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-18 18:55:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:55:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-11-18 18:55:41,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:55:41,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78684445] [2022-11-18 18:55:41,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78684445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:55:41,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649382739] [2022-11-18 18:55:41,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:55:41,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:55:41,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:55:41,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:55:41,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 18:55:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:47,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 9288 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-18 18:55:47,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:55:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-11-18 18:55:47,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:55:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2022-11-18 18:55:48,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649382739] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 18:55:48,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:55:48,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 13] total 27 [2022-11-18 18:55:48,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250128789] [2022-11-18 18:55:48,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:55:48,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:55:48,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:55:48,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:55:48,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2022-11-18 18:55:48,099 INFO L87 Difference]: Start difference. First operand 7696 states and 10071 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 6 states have internal predecessors, (128), 4 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-18 18:55:50,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:55:50,962 INFO L93 Difference]: Finished difference Result 16262 states and 21851 transitions. [2022-11-18 18:55:50,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:55:50,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 6 states have internal predecessors, (128), 4 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 427 [2022-11-18 18:55:50,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:55:50,988 INFO L225 Difference]: With dead ends: 16262 [2022-11-18 18:55:50,989 INFO L226 Difference]: Without dead ends: 8652 [2022-11-18 18:55:51,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1009 GetRequests, 980 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2022-11-18 18:55:51,011 INFO L413 NwaCegarLoop]: 2394 mSDtfsCounter, 108 mSDsluCounter, 14318 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 16712 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:55:51,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 16712 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:55:51,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8652 states. [2022-11-18 18:55:52,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8652 to 8168. [2022-11-18 18:55:52,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8168 states, 5374 states have (on average 1.1866393747673987) internal successors, (6377), 5456 states have internal predecessors, (6377), 2118 states have call successors, (2118), 646 states have call predecessors, (2118), 668 states have return successors, (2241), 2100 states have call predecessors, (2241), 2114 states have call successors, (2241) [2022-11-18 18:55:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8168 states to 8168 states and 10736 transitions. [2022-11-18 18:55:52,564 INFO L78 Accepts]: Start accepts. Automaton has 8168 states and 10736 transitions. Word has length 427 [2022-11-18 18:55:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:55:52,565 INFO L495 AbstractCegarLoop]: Abstraction has 8168 states and 10736 transitions. [2022-11-18 18:55:52,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 6 states have internal predecessors, (128), 4 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-18 18:55:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 8168 states and 10736 transitions. [2022-11-18 18:55:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-18 18:55:52,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:55:52,571 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:55:52,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 18:55:52,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-11-18 18:55:52,787 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:55:52,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:55:52,787 INFO L85 PathProgramCache]: Analyzing trace with hash 915017769, now seen corresponding path program 1 times [2022-11-18 18:55:52,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:55:52,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781434719] [2022-11-18 18:55:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:55:52,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:55:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:55:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:55:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 18:55:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:55:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 18:55:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:55:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:55:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 18:55:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 18:55:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 18:55:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 18:55:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 18:55:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 18:55:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:55:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 18:55:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 18:55:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 18:55:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-18 18:55:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 18:55:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 18:55:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-18 18:55:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:55:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:55:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-18 18:55:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-18 18:55:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-18 18:55:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 18:55:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 18:55:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 18:55:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-18 18:55:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-18 18:55:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-18 18:55:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-18 18:55:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-18 18:55:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 18:55:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-18 18:55:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-18 18:55:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-11-18 18:55:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:55:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:55:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:55:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-11-18 18:55:57,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:55:57,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781434719] [2022-11-18 18:55:57,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781434719] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:55:57,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868510243] [2022-11-18 18:55:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:55:57,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:55:57,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:55:57,239 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:55:57,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 18:56:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:56:02,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 9435 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:56:02,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:56:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2022-11-18 18:56:02,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:56:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2022-11-18 18:56:02,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868510243] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 18:56:02,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:56:02,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15, 5] total 19 [2022-11-18 18:56:02,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617658317] [2022-11-18 18:56:02,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:56:02,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:56:02,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:56:02,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:56:02,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:56:02,535 INFO L87 Difference]: Start difference. First operand 8168 states and 10736 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-18 18:56:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:56:04,382 INFO L93 Difference]: Finished difference Result 16278 states and 21850 transitions. [2022-11-18 18:56:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:56:04,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 428 [2022-11-18 18:56:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:56:04,418 INFO L225 Difference]: With dead ends: 16278 [2022-11-18 18:56:04,418 INFO L226 Difference]: Without dead ends: 8190 [2022-11-18 18:56:04,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1009 GetRequests, 992 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:56:04,444 INFO L413 NwaCegarLoop]: 2391 mSDtfsCounter, 6 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4772 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:56:04,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4772 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 18:56:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8190 states. [2022-11-18 18:56:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8190 to 8190. [2022-11-18 18:56:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8190 states, 5396 states have (on average 1.18587842846553) internal successors, (6399), 5472 states have internal predecessors, (6399), 2118 states have call successors, (2118), 652 states have call predecessors, (2118), 668 states have return successors, (2241), 2100 states have call predecessors, (2241), 2114 states have call successors, (2241) [2022-11-18 18:56:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8190 states to 8190 states and 10758 transitions. [2022-11-18 18:56:06,027 INFO L78 Accepts]: Start accepts. Automaton has 8190 states and 10758 transitions. Word has length 428 [2022-11-18 18:56:06,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:56:06,028 INFO L495 AbstractCegarLoop]: Abstraction has 8190 states and 10758 transitions. [2022-11-18 18:56:06,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-18 18:56:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8190 states and 10758 transitions. [2022-11-18 18:56:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-11-18 18:56:06,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:56:06,034 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:56:06,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 18:56:06,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3cd422d-1f33-405b-9ee5-324aa3b6f484/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-11-18 18:56:06,259 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:56:06,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:56:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1998312905, now seen corresponding path program 1 times [2022-11-18 18:56:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:56:06,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342890934] [2022-11-18 18:56:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:56:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms