./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--input--misc--ims-pcu.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:39:54,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:39:54,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:39:54,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:39:54,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:39:54,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:39:54,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:39:54,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:39:54,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:39:54,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:39:54,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:39:54,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:39:54,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:39:54,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:39:54,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:39:54,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:39:54,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:39:54,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:39:54,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:39:54,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:39:54,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:39:54,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:39:54,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:39:54,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:39:54,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:39:54,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:39:54,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:39:54,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:39:54,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:39:54,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:39:54,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:39:54,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:39:54,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:39:54,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:39:54,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:39:54,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:39:54,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:39:54,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:39:54,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:39:54,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:39:54,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:39:54,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:39:54,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:39:54,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:39:54,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:39:54,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:39:54,539 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:39:54,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:39:54,540 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:39:54,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:39:54,541 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:39:54,542 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:39:54,542 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:39:54,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:39:54,543 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:39:54,544 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:39:54,544 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:39:54,545 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:39:54,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:39:54,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:39:54,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:39:54,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:39:54,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:39:54,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:39:54,548 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:39:54,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:39:54,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:39:54,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:39:54,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:39:54,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:39:54,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:39:54,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:39:54,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:39:54,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:39:54,551 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:39:54,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:39:54,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:39:54,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:39:54,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:39:54,553 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2021-11-13 01:39:54,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:39:54,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:39:54,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:39:54,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:39:54,952 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:39:54,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-13 01:39:55,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/1a7fdf1bd/29fd1e1122954f7b9e3891a203559787/FLAG56d40df62 [2021-11-13 01:39:56,284 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:39:56,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-13 01:39:56,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/1a7fdf1bd/29fd1e1122954f7b9e3891a203559787/FLAG56d40df62 [2021-11-13 01:39:56,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/1a7fdf1bd/29fd1e1122954f7b9e3891a203559787 [2021-11-13 01:39:56,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:39:56,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:39:56,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:39:56,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:39:56,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:39:56,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:56" (1/1) ... [2021-11-13 01:39:56,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25eb71e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:39:56, skipping insertion in model container [2021-11-13 01:39:56,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:39:56" (1/1) ... [2021-11-13 01:39:56,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:39:56,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:39:58,885 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:58,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,002 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,010 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,018 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,117 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,343 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,382 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,428 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,439 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,454 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,476 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,487 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,510 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,519 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,546 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,557 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,568 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,601 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,667 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,802 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,815 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,823 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:39:59,829 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,077 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,078 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,079 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,080 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,081 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,082 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,082 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,083 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,084 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,084 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,109 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,118 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,119 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,119 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,123 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:00,424 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:01,001 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:01,001 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:40:01,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-11-13 01:40:01,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-11-13 01:40:01,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-11-13 01:40:01,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-11-13 01:40:01,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-11-13 01:40:01,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-11-13 01:40:01,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-11-13 01:40:01,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-11-13 01:40:01,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-11-13 01:40:01,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-11-13 01:40:01,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-11-13 01:40:01,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-11-13 01:40:01,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-11-13 01:40:01,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-11-13 01:40:01,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-11-13 01:40:01,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-11-13 01:40:01,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-11-13 01:40:01,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-11-13 01:40:01,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-11-13 01:40:01,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-11-13 01:40:01,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-11-13 01:40:01,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-11-13 01:40:01,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-11-13 01:40:01,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-11-13 01:40:01,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-11-13 01:40:01,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-11-13 01:40:01,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-11-13 01:40:01,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-11-13 01:40:01,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-11-13 01:40:01,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-11-13 01:40:01,636 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-11-13 01:40:01,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-11-13 01:40:01,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-11-13 01:40:01,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-11-13 01:40:01,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-11-13 01:40:01,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-11-13 01:40:01,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-11-13 01:40:01,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-11-13 01:40:01,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-11-13 01:40:01,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-11-13 01:40:01,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-11-13 01:40:01,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-11-13 01:40:01,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-11-13 01:40:01,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-11-13 01:40:01,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-11-13 01:40:01,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-11-13 01:40:01,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-11-13 01:40:01,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-11-13 01:40:01,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-11-13 01:40:01,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-11-13 01:40:01,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-11-13 01:40:01,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-11-13 01:40:01,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-11-13 01:40:01,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-11-13 01:40:01,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-11-13 01:40:01,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-11-13 01:40:01,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-11-13 01:40:01,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-11-13 01:40:01,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-11-13 01:40:01,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-11-13 01:40:01,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-11-13 01:40:01,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-11-13 01:40:01,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-11-13 01:40:01,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-11-13 01:40:01,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-11-13 01:40:01,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-11-13 01:40:01,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-11-13 01:40:01,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-11-13 01:40:01,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-11-13 01:40:01,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-11-13 01:40:01,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-11-13 01:40:01,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-11-13 01:40:01,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-11-13 01:40:01,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-11-13 01:40:01,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-11-13 01:40:01,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-11-13 01:40:01,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-11-13 01:40:01,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-11-13 01:40:01,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-11-13 01:40:01,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-11-13 01:40:01,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-11-13 01:40:01,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-11-13 01:40:01,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-11-13 01:40:01,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-11-13 01:40:01,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-11-13 01:40:01,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-11-13 01:40:01,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-11-13 01:40:01,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-11-13 01:40:01,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:40:01,822 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 01:40:01,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a9165a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:01, skipping insertion in model container [2021-11-13 01:40:01,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:40:01,834 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:40:01,837 INFO L158 Benchmark]: Toolchain (without parser) took 5276.79ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 87.8MB in the beginning and 109.5MB in the end (delta: -21.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-11-13 01:40:01,838 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 115.3MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:40:01,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5271.68ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 87.8MB in the beginning and 109.5MB in the end (delta: -21.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-11-13 01:40:01,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 115.3MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5271.68ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 87.8MB in the beginning and 109.5MB in the end (delta: -21.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4643]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:40:04,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:40:04,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:40:04,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:40:04,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:40:04,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:40:04,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:40:04,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:40:04,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:40:05,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:40:05,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:40:05,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:40:05,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:40:05,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:40:05,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:40:05,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:40:05,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:40:05,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:40:05,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:40:05,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:40:05,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:40:05,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:40:05,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:40:05,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:40:05,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:40:05,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:40:05,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:40:05,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:40:05,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:40:05,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:40:05,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:40:05,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:40:05,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:40:05,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:40:05,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:40:05,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:40:05,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:40:05,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:40:05,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:40:05,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:40:05,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:40:05,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:40:05,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:40:05,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:40:05,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:40:05,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:40:05,156 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:40:05,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:40:05,156 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:40:05,157 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:40:05,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:40:05,157 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:40:05,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:40:05,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:40:05,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:40:05,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:40:05,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:40:05,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:40:05,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:40:05,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:40:05,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:40:05,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:40:05,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:40:05,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:40:05,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:40:05,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:40:05,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:40:05,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:40:05,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:40:05,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:40:05,167 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:40:05,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:40:05,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:40:05,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:40:05,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:40:05,168 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2021-11-13 01:40:05,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:40:05,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:40:05,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:40:05,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:40:05,707 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:40:05,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-13 01:40:05,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/55989715a/3b51fb9f8c494793a25e8e46eb8d5820/FLAG7dd63c3be [2021-11-13 01:40:07,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:40:07,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-13 01:40:07,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/55989715a/3b51fb9f8c494793a25e8e46eb8d5820/FLAG7dd63c3be [2021-11-13 01:40:07,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/data/55989715a/3b51fb9f8c494793a25e8e46eb8d5820 [2021-11-13 01:40:07,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:40:07,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:40:07,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:40:07,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:40:07,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:40:07,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:07" (1/1) ... [2021-11-13 01:40:07,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adea21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:07, skipping insertion in model container [2021-11-13 01:40:07,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:07" (1/1) ... [2021-11-13 01:40:07,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:40:08,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:40:13,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-11-13 01:40:13,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-11-13 01:40:13,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-11-13 01:40:13,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-11-13 01:40:13,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-11-13 01:40:13,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-11-13 01:40:13,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-11-13 01:40:13,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-11-13 01:40:13,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-11-13 01:40:13,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-11-13 01:40:13,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-11-13 01:40:13,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-11-13 01:40:13,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-11-13 01:40:13,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-11-13 01:40:13,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-11-13 01:40:13,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-11-13 01:40:13,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-11-13 01:40:13,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-11-13 01:40:13,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-11-13 01:40:13,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-11-13 01:40:13,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-11-13 01:40:13,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-11-13 01:40:13,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-11-13 01:40:13,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-11-13 01:40:13,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-11-13 01:40:13,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-11-13 01:40:13,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-11-13 01:40:13,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-11-13 01:40:13,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-11-13 01:40:13,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-11-13 01:40:13,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-11-13 01:40:13,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-11-13 01:40:13,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-11-13 01:40:13,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-11-13 01:40:13,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-11-13 01:40:13,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-11-13 01:40:13,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-11-13 01:40:13,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-11-13 01:40:13,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-11-13 01:40:13,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-11-13 01:40:13,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-11-13 01:40:13,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-11-13 01:40:13,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-11-13 01:40:13,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-11-13 01:40:13,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-11-13 01:40:13,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-11-13 01:40:13,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-11-13 01:40:13,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-11-13 01:40:13,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-11-13 01:40:13,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-11-13 01:40:13,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-11-13 01:40:13,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-11-13 01:40:13,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-11-13 01:40:13,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-11-13 01:40:13,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-11-13 01:40:13,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-11-13 01:40:13,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-11-13 01:40:13,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-11-13 01:40:13,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-11-13 01:40:13,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-11-13 01:40:13,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-11-13 01:40:13,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-11-13 01:40:13,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-11-13 01:40:13,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-11-13 01:40:13,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-11-13 01:40:13,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-11-13 01:40:13,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-11-13 01:40:13,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-11-13 01:40:13,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-11-13 01:40:13,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-11-13 01:40:13,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-11-13 01:40:13,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-11-13 01:40:13,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-11-13 01:40:13,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-11-13 01:40:13,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-11-13 01:40:13,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-11-13 01:40:13,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-11-13 01:40:13,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-11-13 01:40:13,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-11-13 01:40:13,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-11-13 01:40:13,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-11-13 01:40:13,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-11-13 01:40:13,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-11-13 01:40:13,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-11-13 01:40:13,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-11-13 01:40:13,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-11-13 01:40:13,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-11-13 01:40:13,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-11-13 01:40:13,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:40:13,465 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:40:13,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:40:14,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-11-13 01:40:14,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-11-13 01:40:14,073 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-11-13 01:40:14,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-11-13 01:40:14,075 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-11-13 01:40:14,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-11-13 01:40:14,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-11-13 01:40:14,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-11-13 01:40:14,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-11-13 01:40:14,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-11-13 01:40:14,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-11-13 01:40:14,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-11-13 01:40:14,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-11-13 01:40:14,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-11-13 01:40:14,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-11-13 01:40:14,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-11-13 01:40:14,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-11-13 01:40:14,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-11-13 01:40:14,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-11-13 01:40:14,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-11-13 01:40:14,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-11-13 01:40:14,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-11-13 01:40:14,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-11-13 01:40:14,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-11-13 01:40:14,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-11-13 01:40:14,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-11-13 01:40:14,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-11-13 01:40:14,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-11-13 01:40:14,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-11-13 01:40:14,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-11-13 01:40:14,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-11-13 01:40:14,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-11-13 01:40:14,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-11-13 01:40:14,100 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-11-13 01:40:14,100 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-11-13 01:40:14,101 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-11-13 01:40:14,102 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-11-13 01:40:14,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-11-13 01:40:14,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-11-13 01:40:14,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-11-13 01:40:14,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-11-13 01:40:14,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-11-13 01:40:14,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-11-13 01:40:14,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-11-13 01:40:14,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-11-13 01:40:14,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-11-13 01:40:14,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-11-13 01:40:14,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-11-13 01:40:14,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-11-13 01:40:14,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-11-13 01:40:14,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-11-13 01:40:14,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-11-13 01:40:14,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-11-13 01:40:14,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-11-13 01:40:14,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-11-13 01:40:14,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-11-13 01:40:14,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-11-13 01:40:14,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-11-13 01:40:14,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-11-13 01:40:14,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-11-13 01:40:14,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-11-13 01:40:14,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-11-13 01:40:14,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-11-13 01:40:14,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-11-13 01:40:14,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-11-13 01:40:14,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-11-13 01:40:14,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-11-13 01:40:14,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-11-13 01:40:14,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-11-13 01:40:14,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-11-13 01:40:14,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-11-13 01:40:14,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-11-13 01:40:14,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-11-13 01:40:14,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-11-13 01:40:14,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-11-13 01:40:14,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-11-13 01:40:14,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-11-13 01:40:14,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-11-13 01:40:14,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-11-13 01:40:14,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-11-13 01:40:14,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-11-13 01:40:14,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-11-13 01:40:14,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-11-13 01:40:14,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-11-13 01:40:14,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-11-13 01:40:14,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-11-13 01:40:14,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-11-13 01:40:14,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-11-13 01:40:14,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:40:14,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:40:14,769 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-11-13 01:40:14,769 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-11-13 01:40:14,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-11-13 01:40:14,771 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-11-13 01:40:14,771 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-11-13 01:40:14,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-11-13 01:40:14,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-11-13 01:40:14,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-11-13 01:40:14,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-11-13 01:40:14,774 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-11-13 01:40:14,774 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-11-13 01:40:14,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-11-13 01:40:14,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-11-13 01:40:14,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-11-13 01:40:14,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-11-13 01:40:14,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-11-13 01:40:14,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-11-13 01:40:14,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-11-13 01:40:14,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-11-13 01:40:14,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-11-13 01:40:14,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-11-13 01:40:14,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-11-13 01:40:14,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-11-13 01:40:14,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-11-13 01:40:14,782 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-11-13 01:40:14,782 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-11-13 01:40:14,783 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-11-13 01:40:14,783 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-11-13 01:40:14,784 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-11-13 01:40:14,785 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-11-13 01:40:14,785 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-11-13 01:40:14,786 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-11-13 01:40:14,786 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-11-13 01:40:14,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-11-13 01:40:14,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-11-13 01:40:14,788 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-11-13 01:40:14,788 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-11-13 01:40:14,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-11-13 01:40:14,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-11-13 01:40:14,790 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-11-13 01:40:14,790 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-11-13 01:40:14,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-11-13 01:40:14,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-11-13 01:40:14,792 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-11-13 01:40:14,793 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-11-13 01:40:14,793 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-11-13 01:40:14,794 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-11-13 01:40:14,794 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-11-13 01:40:14,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-11-13 01:40:14,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-11-13 01:40:14,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-11-13 01:40:14,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-11-13 01:40:14,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-11-13 01:40:14,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-11-13 01:40:14,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-11-13 01:40:14,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-11-13 01:40:14,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-11-13 01:40:14,799 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-11-13 01:40:14,799 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-11-13 01:40:14,800 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-11-13 01:40:14,800 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-11-13 01:40:14,801 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-11-13 01:40:14,801 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-11-13 01:40:14,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-11-13 01:40:14,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-11-13 01:40:14,803 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-11-13 01:40:14,803 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-11-13 01:40:14,804 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-11-13 01:40:14,804 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-11-13 01:40:14,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-11-13 01:40:14,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-11-13 01:40:14,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-11-13 01:40:14,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-11-13 01:40:14,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-11-13 01:40:14,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-11-13 01:40:14,808 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-11-13 01:40:14,808 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-11-13 01:40:14,809 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-11-13 01:40:14,809 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-11-13 01:40:14,810 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-11-13 01:40:14,810 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-11-13 01:40:14,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-11-13 01:40:14,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-11-13 01:40:14,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-11-13 01:40:14,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-11-13 01:40:14,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-11-13 01:40:14,813 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-11-13 01:40:14,814 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-11-13 01:40:14,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:40:15,271 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:40:15,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15 WrapperNode [2021-11-13 01:40:15,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:40:15,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:40:15,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:40:15,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:40:15,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:40:15,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:40:15,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:40:15,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:40:15,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:15,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:16,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:40:16,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:40:16,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:40:16,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:40:16,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (1/1) ... [2021-11-13 01:40:16,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:40:16,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:40:16,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:40:16,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:40:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-13 01:40:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-13 01:40:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 01:40:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 01:40:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 01:40:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 01:40:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2021-11-13 01:40:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2021-11-13 01:40:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 01:40:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 01:40:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 01:40:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 01:40:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-11-13 01:40:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-11-13 01:40:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 01:40:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 01:40:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 01:40:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 01:40:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 01:40:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-11-13 01:40:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-11-13 01:40:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2021-11-13 01:40:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2021-11-13 01:40:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 01:40:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 01:40:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 01:40:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 01:40:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 01:40:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 01:40:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:40:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 01:40:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:40:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:40:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 01:40:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 01:40:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 01:40:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2021-11-13 01:40:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2021-11-13 01:40:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-13 01:40:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-13 01:40:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 01:40:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 01:40:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-11-13 01:40:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-11-13 01:40:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 01:40:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 01:40:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_store [2021-11-13 01:40:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_store [2021-11-13 01:40:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 01:40:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 01:40:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 01:40:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 01:40:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2021-11-13 01:40:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2021-11-13 01:40:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 01:40:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 01:40:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 01:40:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 01:40:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2021-11-13 01:40:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2021-11-13 01:40:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-13 01:40:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-13 01:40:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 01:40:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 01:40:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_94 [2021-11-13 01:40:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_94 [2021-11-13 01:40:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 01:40:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 01:40:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-11-13 01:40:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-11-13 01:40:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2021-11-13 01:40:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2021-11-13 01:40:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 01:40:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 01:40:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:40:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2021-11-13 01:40:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2021-11-13 01:40:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-13 01:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-13 01:40:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2021-11-13 01:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2021-11-13 01:40:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 01:40:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 01:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 01:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 01:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 01:40:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-13 01:40:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-13 01:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-11-13 01:40:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-11-13 01:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-13 01:40:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-13 01:40:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-11-13 01:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-11-13 01:40:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_write_ofn_config [2021-11-13 01:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_write_ofn_config [2021-11-13 01:40:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 01:40:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 01:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-11-13 01:40:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-11-13 01:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 01:40:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2021-11-13 01:40:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2021-11-13 01:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:40:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 01:40:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 01:40:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 01:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-13 01:40:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-13 01:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 01:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:40:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 01:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 01:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 01:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 01:40:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 01:40:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-13 01:40:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-13 01:40:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-13 01:40:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-13 01:40:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-13 01:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-13 01:40:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2021-11-13 01:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2021-11-13 01:40:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-13 01:40:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-13 01:40:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_reg_addr_store [2021-11-13 01:40:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_reg_addr_store [2021-11-13 01:40:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 01:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 01:40:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 01:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 01:40:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 01:40:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 01:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-13 01:40:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-13 01:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-11-13 01:40:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-11-13 01:40:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 01:40:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 01:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 01:40:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 01:40:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2021-11-13 01:40:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2021-11-13 01:40:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:40:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-13 01:40:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-13 01:40:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-11-13 01:40:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-11-13 01:40:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-13 01:40:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-13 01:40:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-11-13 01:40:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-11-13 01:40:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-11-13 01:40:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-11-13 01:40:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 01:40:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 01:40:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 01:40:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:40:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:40:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-11-13 01:40:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-11-13 01:40:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 01:40:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 01:40:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 01:40:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 01:40:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 01:40:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 01:40:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2021-11-13 01:40:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2021-11-13 01:40:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-13 01:40:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-13 01:40:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 01:40:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 01:40:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-13 01:40:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-13 01:40:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 01:40:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 01:40:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_read_ofn_config [2021-11-13 01:40:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_read_ofn_config [2021-11-13 01:40:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-13 01:40:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-13 01:40:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-13 01:40:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-13 01:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 01:40:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 01:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 01:40:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 01:40:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 01:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 01:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-13 01:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-13 01:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_show [2021-11-13 01:40:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_show [2021-11-13 01:40:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-13 01:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-13 01:40:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:40:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2021-11-13 01:40:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2021-11-13 01:40:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 01:40:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 01:40:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 01:40:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 01:40:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 01:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 01:40:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2021-11-13 01:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2021-11-13 01:40:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 01:40:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 01:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 01:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2021-11-13 01:40:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2021-11-13 01:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 01:40:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 01:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 01:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 01:40:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 01:40:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 01:40:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 01:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-11-13 01:40:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-11-13 01:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2021-11-13 01:40:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2021-11-13 01:40:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-13 01:40:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-13 01:40:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-13 01:40:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-13 01:40:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2021-11-13 01:40:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2021-11-13 01:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 01:40:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 01:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 01:40:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 01:40:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-11-13 01:40:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-11-13 01:40:17,525 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 01:40:54,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:40:54,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:40:54,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:54 BoogieIcfgContainer [2021-11-13 01:40:54,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:40:54,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:40:54,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:40:54,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:40:54,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:40:07" (1/3) ... [2021-11-13 01:40:54,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632387fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:54, skipping insertion in model container [2021-11-13 01:40:54,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:15" (2/3) ... [2021-11-13 01:40:54,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632387fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:54, skipping insertion in model container [2021-11-13 01:40:54,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:54" (3/3) ... [2021-11-13 01:40:54,904 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-11-13 01:40:54,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:40:54,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-13 01:40:55,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:40:55,022 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:40:55,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-13 01:40:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 1491 states, 971 states have (on average 1.258496395468589) internal successors, (1222), 1027 states have internal predecessors, (1222), 385 states have call successors, (385), 104 states have call predecessors, (385), 103 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2021-11-13 01:40:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 01:40:55,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:40:55,203 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:40:55,205 INFO L402 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 29 more)] === [2021-11-13 01:40:55,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:40:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1068753985, now seen corresponding path program 1 times [2021-11-13 01:40:55,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:40:55,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738862185] [2021-11-13 01:40:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:40:55,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:40:55,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:40:55,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:40:55,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:41:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:01,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:01,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:02,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:02,803 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:02,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738862185] [2021-11-13 01:41:02,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738862185] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:02,804 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:02,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:02,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726563664] [2021-11-13 01:41:02,809 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:02,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:02,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:02,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:02,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:02,873 INFO L87 Difference]: Start difference. First operand has 1491 states, 971 states have (on average 1.258496395468589) internal successors, (1222), 1027 states have internal predecessors, (1222), 385 states have call successors, (385), 104 states have call predecessors, (385), 103 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 01:41:03,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:03,280 INFO L93 Difference]: Finished difference Result 2933 states and 4046 transitions. [2021-11-13 01:41:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:03,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 71 [2021-11-13 01:41:03,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:03,338 INFO L225 Difference]: With dead ends: 2933 [2021-11-13 01:41:03,338 INFO L226 Difference]: Without dead ends: 1475 [2021-11-13 01:41:03,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:03,365 INFO L933 BasicCegarLoop]: 1951 mSDtfsCounter, 1899 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.52ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:03,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1901 Valid, 5849 Invalid, 2 Unknown, 0 Unchecked, 62.62ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.52ms Time] [2021-11-13 01:41:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-11-13 01:41:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-11-13 01:41:03,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 961 states have (on average 1.2247658688865766) internal successors, (1177), 1014 states have internal predecessors, (1177), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-11-13 01:41:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1939 transitions. [2021-11-13 01:41:03,637 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1939 transitions. Word has length 71 [2021-11-13 01:41:03,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:03,648 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 1939 transitions. [2021-11-13 01:41:03,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 01:41:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1939 transitions. [2021-11-13 01:41:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 01:41:03,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:03,655 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:03,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 01:41:03,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:03,874 INFO L402 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 29 more)] === [2021-11-13 01:41:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1926705198, now seen corresponding path program 1 times [2021-11-13 01:41:03,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:03,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204189231] [2021-11-13 01:41:03,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:03,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:03,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:03,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:03,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:41:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:10,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:10,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:10,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:11,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:11,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204189231] [2021-11-13 01:41:11,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204189231] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:11,083 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:11,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:11,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994881425] [2021-11-13 01:41:11,084 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:11,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:11,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:11,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:11,087 INFO L87 Difference]: Start difference. First operand 1475 states and 1939 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:41:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:11,348 INFO L93 Difference]: Finished difference Result 1475 states and 1939 transitions. [2021-11-13 01:41:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:11,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 77 [2021-11-13 01:41:11,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:11,373 INFO L225 Difference]: With dead ends: 1475 [2021-11-13 01:41:11,373 INFO L226 Difference]: Without dead ends: 1473 [2021-11-13 01:41:11,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:11,376 INFO L933 BasicCegarLoop]: 1935 mSDtfsCounter, 1877 mSDsluCounter, 3866 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 5801 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.93ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:11,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1879 Valid, 5801 Invalid, 2 Unknown, 0 Unchecked, 29.42ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 13.93ms Time] [2021-11-13 01:41:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-11-13 01:41:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2021-11-13 01:41:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 960 states have (on average 1.2239583333333333) internal successors, (1175), 1012 states have internal predecessors, (1175), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-11-13 01:41:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1937 transitions. [2021-11-13 01:41:11,522 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1937 transitions. Word has length 77 [2021-11-13 01:41:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:11,526 INFO L470 AbstractCegarLoop]: Abstraction has 1473 states and 1937 transitions. [2021-11-13 01:41:11,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 01:41:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1937 transitions. [2021-11-13 01:41:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 01:41:11,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:11,543 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:11,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:11,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:11,760 INFO L402 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 29 more)] === [2021-11-13 01:41:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1004023499, now seen corresponding path program 1 times [2021-11-13 01:41:11,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:11,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536890052] [2021-11-13 01:41:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:11,767 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:11,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:41:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:17,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:17,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:18,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:18,746 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:18,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536890052] [2021-11-13 01:41:18,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536890052] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:18,747 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:18,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:18,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942372079] [2021-11-13 01:41:18,747 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:18,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:18,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:18,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:18,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:18,750 INFO L87 Difference]: Start difference. First operand 1473 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 01:41:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:18,954 INFO L93 Difference]: Finished difference Result 1473 states and 1937 transitions. [2021-11-13 01:41:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:18,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 83 [2021-11-13 01:41:18,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:18,972 INFO L225 Difference]: With dead ends: 1473 [2021-11-13 01:41:18,972 INFO L226 Difference]: Without dead ends: 1471 [2021-11-13 01:41:18,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:18,978 INFO L933 BasicCegarLoop]: 1933 mSDtfsCounter, 1869 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.98ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:18,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1871 Valid, 5795 Invalid, 2 Unknown, 0 Unchecked, 25.08ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.98ms Time] [2021-11-13 01:41:18,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2021-11-13 01:41:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2021-11-13 01:41:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 959 states have (on average 1.2231491136600625) internal successors, (1173), 1010 states have internal predecessors, (1173), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-11-13 01:41:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1935 transitions. [2021-11-13 01:41:19,117 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1935 transitions. Word has length 83 [2021-11-13 01:41:19,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:19,120 INFO L470 AbstractCegarLoop]: Abstraction has 1471 states and 1935 transitions. [2021-11-13 01:41:19,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 01:41:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1935 transitions. [2021-11-13 01:41:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 01:41:19,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:19,125 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:19,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:19,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:19,352 INFO L402 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 29 more)] === [2021-11-13 01:41:19,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:19,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1731855873, now seen corresponding path program 1 times [2021-11-13 01:41:19,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:19,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393661253] [2021-11-13 01:41:19,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:19,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:19,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:19,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:19,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:41:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:25,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:25,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:25,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:26,046 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:26,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393661253] [2021-11-13 01:41:26,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393661253] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:26,047 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:26,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:26,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659078181] [2021-11-13 01:41:26,048 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:26,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:26,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:26,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:26,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:26,050 INFO L87 Difference]: Start difference. First operand 1471 states and 1935 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 01:41:26,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:26,212 INFO L93 Difference]: Finished difference Result 1471 states and 1935 transitions. [2021-11-13 01:41:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:26,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 89 [2021-11-13 01:41:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:26,229 INFO L225 Difference]: With dead ends: 1471 [2021-11-13 01:41:26,230 INFO L226 Difference]: Without dead ends: 1469 [2021-11-13 01:41:26,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:26,232 INFO L933 BasicCegarLoop]: 1931 mSDtfsCounter, 1861 mSDsluCounter, 3858 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 5789 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.74ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:26,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 5789 Invalid, 2 Unknown, 0 Unchecked, 20.50ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.74ms Time] [2021-11-13 01:41:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2021-11-13 01:41:26,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2021-11-13 01:41:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 958 states have (on average 1.2223382045929019) internal successors, (1171), 1008 states have internal predecessors, (1171), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-11-13 01:41:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1933 transitions. [2021-11-13 01:41:26,354 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1933 transitions. Word has length 89 [2021-11-13 01:41:26,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:26,355 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 1933 transitions. [2021-11-13 01:41:26,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 01:41:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1933 transitions. [2021-11-13 01:41:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 01:41:26,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:26,359 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:26,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:26,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:26,580 INFO L402 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 29 more)] === [2021-11-13 01:41:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash 587122293, now seen corresponding path program 1 times [2021-11-13 01:41:26,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:26,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066586484] [2021-11-13 01:41:26,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:26,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:26,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:26,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:41:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:32,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:32,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:33,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:33,457 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:33,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066586484] [2021-11-13 01:41:33,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066586484] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:33,457 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:33,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:33,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615536833] [2021-11-13 01:41:33,458 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:33,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:33,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:33,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:33,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:33,459 INFO L87 Difference]: Start difference. First operand 1469 states and 1933 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:41:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:33,653 INFO L93 Difference]: Finished difference Result 1469 states and 1933 transitions. [2021-11-13 01:41:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:33,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 95 [2021-11-13 01:41:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:33,668 INFO L225 Difference]: With dead ends: 1469 [2021-11-13 01:41:33,668 INFO L226 Difference]: Without dead ends: 1467 [2021-11-13 01:41:33,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:33,671 INFO L933 BasicCegarLoop]: 1929 mSDtfsCounter, 1856 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.09ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:33,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1858 Valid, 3856 Invalid, 2 Unknown, 0 Unchecked, 18.01ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.09ms Time] [2021-11-13 01:41:33,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2021-11-13 01:41:33,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2021-11-13 01:41:33,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 957 states have (on average 1.2215256008359456) internal successors, (1169), 1006 states have internal predecessors, (1169), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-11-13 01:41:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1931 transitions. [2021-11-13 01:41:33,806 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1931 transitions. Word has length 95 [2021-11-13 01:41:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:33,808 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 1931 transitions. [2021-11-13 01:41:33,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 01:41:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1931 transitions. [2021-11-13 01:41:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 01:41:33,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:33,812 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:33,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:34,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:34,013 INFO L402 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 29 more)] === [2021-11-13 01:41:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:34,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2037692045, now seen corresponding path program 1 times [2021-11-13 01:41:34,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:34,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782332621] [2021-11-13 01:41:34,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:34,016 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:34,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:34,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 01:41:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:39,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:39,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:40,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:40,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:40,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782332621] [2021-11-13 01:41:40,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782332621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:40,633 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:40,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:40,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245656958] [2021-11-13 01:41:40,634 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:40,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:40,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:40,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:40,635 INFO L87 Difference]: Start difference. First operand 1467 states and 1931 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:41:40,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:40,812 INFO L93 Difference]: Finished difference Result 1467 states and 1931 transitions. [2021-11-13 01:41:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:40,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-13 01:41:40,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:40,826 INFO L225 Difference]: With dead ends: 1467 [2021-11-13 01:41:40,827 INFO L226 Difference]: Without dead ends: 1465 [2021-11-13 01:41:40,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:40,831 INFO L933 BasicCegarLoop]: 1927 mSDtfsCounter, 1845 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.17ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:40,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 5777 Invalid, 2 Unknown, 0 Unchecked, 19.02ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.17ms Time] [2021-11-13 01:41:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2021-11-13 01:41:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2021-11-13 01:41:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 956 states have (on average 1.2207112970711298) internal successors, (1167), 1004 states have internal predecessors, (1167), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-11-13 01:41:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1929 transitions. [2021-11-13 01:41:40,976 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1929 transitions. Word has length 101 [2021-11-13 01:41:40,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:40,977 INFO L470 AbstractCegarLoop]: Abstraction has 1465 states and 1929 transitions. [2021-11-13 01:41:40,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 01:41:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1929 transitions. [2021-11-13 01:41:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 01:41:40,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:40,980 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:41,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:41,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:41,196 INFO L402 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 29 more)] === [2021-11-13 01:41:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:41,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1890588310, now seen corresponding path program 1 times [2021-11-13 01:41:41,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:41,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009128571] [2021-11-13 01:41:41,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:41,201 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:41,203 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:41,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 01:41:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:47,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:47,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:47,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:48,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:48,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009128571] [2021-11-13 01:41:48,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009128571] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:48,171 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:48,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:48,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072343734] [2021-11-13 01:41:48,172 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:48,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:48,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:48,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:48,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:48,174 INFO L87 Difference]: Start difference. First operand 1465 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:41:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:48,504 INFO L93 Difference]: Finished difference Result 2692 states and 3514 transitions. [2021-11-13 01:41:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:41:48,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 107 [2021-11-13 01:41:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:48,531 INFO L225 Difference]: With dead ends: 2692 [2021-11-13 01:41:48,531 INFO L226 Difference]: Without dead ends: 2690 [2021-11-13 01:41:48,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:48,535 INFO L933 BasicCegarLoop]: 2420 mSDtfsCounter, 1798 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 6462 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.16ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:48,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1800 Valid, 6462 Invalid, 16 Unknown, 0 Unchecked, 21.16ms Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 56.95ms Time] [2021-11-13 01:41:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-11-13 01:41:48,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2546. [2021-11-13 01:41:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 1674 states have (on average 1.2180406212664276) internal successors, (2039), 1741 states have internal predecessors, (2039), 662 states have call successors, (662), 186 states have call predecessors, (662), 185 states have return successors, (663), 659 states have call predecessors, (663), 660 states have call successors, (663) [2021-11-13 01:41:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3364 transitions. [2021-11-13 01:41:48,784 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3364 transitions. Word has length 107 [2021-11-13 01:41:48,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:48,785 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3364 transitions. [2021-11-13 01:41:48,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 01:41:48,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3364 transitions. [2021-11-13 01:41:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 01:41:48,792 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:48,793 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:48,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 01:41:49,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:49,000 INFO L402 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 29 more)] === [2021-11-13 01:41:49,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:49,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1992900017, now seen corresponding path program 1 times [2021-11-13 01:41:49,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:49,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217421006] [2021-11-13 01:41:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:49,005 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:49,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:49,006 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:49,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 01:41:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:54,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:41:54,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:55,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:41:55,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:55,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217421006] [2021-11-13 01:41:55,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217421006] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:55,669 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:55,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:41:55,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094077846] [2021-11-13 01:41:55,670 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:55,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:41:55,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:55,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:41:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:41:55,672 INFO L87 Difference]: Start difference. First operand 2546 states and 3364 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:41:55,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:55,953 INFO L93 Difference]: Finished difference Result 2546 states and 3364 transitions. [2021-11-13 01:41:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:41:55,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 113 [2021-11-13 01:41:55,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:55,979 INFO L225 Difference]: With dead ends: 2546 [2021-11-13 01:41:55,979 INFO L226 Difference]: Without dead ends: 2544 [2021-11-13 01:41:55,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:41:55,984 INFO L933 BasicCegarLoop]: 1925 mSDtfsCounter, 1842 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 3844 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.64ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:55,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1844 Valid, 3844 Invalid, 2 Unknown, 0 Unchecked, 13.33ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.64ms Time] [2021-11-13 01:41:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2021-11-13 01:41:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2021-11-13 01:41:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1673 states have (on average 1.217573221757322) internal successors, (2037), 1739 states have internal predecessors, (2037), 662 states have call successors, (662), 186 states have call predecessors, (662), 185 states have return successors, (663), 659 states have call predecessors, (663), 660 states have call successors, (663) [2021-11-13 01:41:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3362 transitions. [2021-11-13 01:41:56,273 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3362 transitions. Word has length 113 [2021-11-13 01:41:56,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:56,274 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3362 transitions. [2021-11-13 01:41:56,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:41:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3362 transitions. [2021-11-13 01:41:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 01:41:56,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:56,280 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:41:56,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-13 01:41:56,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:41:56,508 INFO L402 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 29 more)] === [2021-11-13 01:41:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:56,509 INFO L85 PathProgramCache]: Analyzing trace with hash 378636594, now seen corresponding path program 1 times [2021-11-13 01:41:56,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:56,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313799252] [2021-11-13 01:41:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:56,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:56,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:56,515 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 01:42:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:02,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:42:02,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:42:02,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:42:03,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:03,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313799252] [2021-11-13 01:42:03,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313799252] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:03,395 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:03,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:42:03,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249643403] [2021-11-13 01:42:03,395 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:03,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:42:03,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:03,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:42:03,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:42:03,397 INFO L87 Difference]: Start difference. First operand 2544 states and 3362 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:42:03,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:03,655 INFO L93 Difference]: Finished difference Result 2544 states and 3362 transitions. [2021-11-13 01:42:03,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:03,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 115 [2021-11-13 01:42:03,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:03,683 INFO L225 Difference]: With dead ends: 2544 [2021-11-13 01:42:03,683 INFO L226 Difference]: Without dead ends: 2542 [2021-11-13 01:42:03,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:42:03,688 INFO L933 BasicCegarLoop]: 1923 mSDtfsCounter, 1830 mSDsluCounter, 1921 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 3844 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.34ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:03,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1832 Valid, 3844 Invalid, 2 Unknown, 0 Unchecked, 12.91ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.34ms Time] [2021-11-13 01:42:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-11-13 01:42:03,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2021-11-13 01:42:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1672 states have (on average 1.2171052631578947) internal successors, (2035), 1737 states have internal predecessors, (2035), 662 states have call successors, (662), 186 states have call predecessors, (662), 185 states have return successors, (663), 659 states have call predecessors, (663), 660 states have call successors, (663) [2021-11-13 01:42:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3360 transitions. [2021-11-13 01:42:03,988 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3360 transitions. Word has length 115 [2021-11-13 01:42:03,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:03,989 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3360 transitions. [2021-11-13 01:42:03,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:42:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3360 transitions. [2021-11-13 01:42:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-13 01:42:03,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:03,995 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:42:04,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:04,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:04,220 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 29 more)] === [2021-11-13 01:42:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:04,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1832962743, now seen corresponding path program 1 times [2021-11-13 01:42:04,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:04,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447478077] [2021-11-13 01:42:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:04,223 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:04,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 01:42:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:10,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:42:10,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-11-13 01:42:10,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-11-13 01:42:11,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:11,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447478077] [2021-11-13 01:42:11,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447478077] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:11,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:42:11,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-13 01:42:11,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510566261] [2021-11-13 01:42:11,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:11,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:42:11,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:11,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:42:11,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:42:11,476 INFO L87 Difference]: Start difference. First operand 2542 states and 3360 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-13 01:42:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:12,974 INFO L93 Difference]: Finished difference Result 5397 states and 7204 transitions. [2021-11-13 01:42:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:42:12,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 164 [2021-11-13 01:42:12,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:13,004 INFO L225 Difference]: With dead ends: 5397 [2021-11-13 01:42:13,005 INFO L226 Difference]: Without dead ends: 2870 [2021-11-13 01:42:13,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:42:13,021 INFO L933 BasicCegarLoop]: 2044 mSDtfsCounter, 446 mSDsluCounter, 7850 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 892.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 9894 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.08ms SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1048.80ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:13,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 9894 Invalid, 443 Unknown, 0 Unchecked, 34.08ms Time], IncrementalHoareTripleChecker [278 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1048.80ms Time] [2021-11-13 01:42:13,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2021-11-13 01:42:13,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2546. [2021-11-13 01:42:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 1675 states have (on average 1.2167164179104477) internal successors, (2038), 1740 states have internal predecessors, (2038), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:42:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3365 transitions. [2021-11-13 01:42:13,337 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3365 transitions. Word has length 164 [2021-11-13 01:42:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:13,338 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3365 transitions. [2021-11-13 01:42:13,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-13 01:42:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3365 transitions. [2021-11-13 01:42:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 01:42:13,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:13,342 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:42:13,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:13,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:13,568 INFO L402 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 29 more)] === [2021-11-13 01:42:13,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash 896069854, now seen corresponding path program 1 times [2021-11-13 01:42:13,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:13,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727710313] [2021-11-13 01:42:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:13,573 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:13,574 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:13,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 01:42:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:19,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 1880 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:42:19,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:42:20,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:42:20,511 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:20,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727710313] [2021-11-13 01:42:20,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727710313] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:20,512 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:20,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:42:20,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806968991] [2021-11-13 01:42:20,512 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:20,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:42:20,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:20,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:42:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:42:20,514 INFO L87 Difference]: Start difference. First operand 2546 states and 3365 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 01:42:20,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:20,786 INFO L93 Difference]: Finished difference Result 2546 states and 3365 transitions. [2021-11-13 01:42:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:20,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 121 [2021-11-13 01:42:20,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:20,811 INFO L225 Difference]: With dead ends: 2546 [2021-11-13 01:42:20,811 INFO L226 Difference]: Without dead ends: 2544 [2021-11-13 01:42:20,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:42:20,814 INFO L933 BasicCegarLoop]: 1921 mSDtfsCounter, 1819 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.41ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:20,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 5759 Invalid, 2 Unknown, 0 Unchecked, 18.12ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.41ms Time] [2021-11-13 01:42:20,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2021-11-13 01:42:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2021-11-13 01:42:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1674 states have (on average 1.2162485065710873) internal successors, (2036), 1738 states have internal predecessors, (2036), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:42:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3363 transitions. [2021-11-13 01:42:21,105 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3363 transitions. Word has length 121 [2021-11-13 01:42:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:21,111 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3363 transitions. [2021-11-13 01:42:21,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 01:42:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3363 transitions. [2021-11-13 01:42:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-13 01:42:21,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:21,115 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:42:21,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:21,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:21,340 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 29 more)] === [2021-11-13 01:42:21,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:21,341 INFO L85 PathProgramCache]: Analyzing trace with hash -2076142151, now seen corresponding path program 1 times [2021-11-13 01:42:21,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:21,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073611027] [2021-11-13 01:42:21,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:21,345 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:21,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:21,346 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:21,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 01:42:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:27,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 01:42:27,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-13 01:42:28,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-13 01:42:29,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:29,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073611027] [2021-11-13 01:42:29,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073611027] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:42:29,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1573684781] [2021-11-13 01:42:29,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:29,189 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 01:42:29,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 01:42:29,191 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 01:42:29,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-13 01:42:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:34,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 01:42:34,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-11-13 01:42:35,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-13 01:42:36,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1573684781] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:36,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:42:36,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-13 01:42:36,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968212083] [2021-11-13 01:42:36,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:36,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:42:36,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:36,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:42:36,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:42:36,355 INFO L87 Difference]: Start difference. First operand 2544 states and 3363 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-13 01:42:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:36,870 INFO L93 Difference]: Finished difference Result 5383 states and 7184 transitions. [2021-11-13 01:42:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:42:36,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 164 [2021-11-13 01:42:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:36,902 INFO L225 Difference]: With dead ends: 5383 [2021-11-13 01:42:36,902 INFO L226 Difference]: Without dead ends: 2864 [2021-11-13 01:42:36,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:36,918 INFO L933 BasicCegarLoop]: 2413 mSDtfsCounter, 530 mSDsluCounter, 8863 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 11276 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.71ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:36,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [783 Valid, 11276 Invalid, 12 Unknown, 0 Unchecked, 30.95ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 73.71ms Time] [2021-11-13 01:42:36,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2021-11-13 01:42:37,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2544. [2021-11-13 01:42:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1674 states have (on average 1.2156511350059738) internal successors, (2035), 1737 states have internal predecessors, (2035), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:42:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3362 transitions. [2021-11-13 01:42:37,334 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3362 transitions. Word has length 164 [2021-11-13 01:42:37,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:37,335 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3362 transitions. [2021-11-13 01:42:37,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-13 01:42:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3362 transitions. [2021-11-13 01:42:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-13 01:42:37,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:37,339 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:42:37,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:37,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2021-11-13 01:42:37,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-13 01:42:37,768 INFO L402 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 29 more)] === [2021-11-13 01:42:37,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1353839420, now seen corresponding path program 1 times [2021-11-13 01:42:37,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:37,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598109747] [2021-11-13 01:42:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:37,772 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:37,777 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:37,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 01:42:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:43,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 01:42:43,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-13 01:42:45,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-11-13 01:42:47,519 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:47,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598109747] [2021-11-13 01:42:47,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598109747] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:47,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:42:47,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2021-11-13 01:42:47,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971141013] [2021-11-13 01:42:47,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:47,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:42:47,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:47,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:42:47,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:42:47,523 INFO L87 Difference]: Start difference. First operand 2544 states and 3362 transitions. Second operand has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-13 01:42:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:49,595 INFO L93 Difference]: Finished difference Result 5382 states and 7179 transitions. [2021-11-13 01:42:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:42:49,596 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) Word has length 168 [2021-11-13 01:42:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:49,634 INFO L225 Difference]: With dead ends: 5382 [2021-11-13 01:42:49,634 INFO L226 Difference]: Without dead ends: 2868 [2021-11-13 01:42:49,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-13 01:42:49,661 INFO L933 BasicCegarLoop]: 2382 mSDtfsCounter, 533 mSDsluCounter, 15853 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1159.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 18235 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.07ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1272.42ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:49,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [786 Valid, 18235 Invalid, 319 Unknown, 0 Unchecked, 43.07ms Time], IncrementalHoareTripleChecker [3 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1272.42ms Time] [2021-11-13 01:42:49,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2868 states. [2021-11-13 01:42:50,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2544. [2021-11-13 01:42:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1674 states have (on average 1.2150537634408602) internal successors, (2034), 1736 states have internal predecessors, (2034), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:42:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3361 transitions. [2021-11-13 01:42:50,081 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3361 transitions. Word has length 168 [2021-11-13 01:42:50,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:50,082 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3361 transitions. [2021-11-13 01:42:50,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-13 01:42:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3361 transitions. [2021-11-13 01:42:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-13 01:42:50,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:50,086 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:42:50,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:50,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:50,300 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 29 more)] === [2021-11-13 01:42:50,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:50,301 INFO L85 PathProgramCache]: Analyzing trace with hash -126286660, now seen corresponding path program 1 times [2021-11-13 01:42:50,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:50,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438659729] [2021-11-13 01:42:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:50,304 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:50,305 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:50,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 01:42:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:55,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:42:55,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:42:56,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:42:57,307 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:57,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438659729] [2021-11-13 01:42:57,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438659729] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:57,308 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:57,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:42:57,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377778179] [2021-11-13 01:42:57,308 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:57,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:42:57,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:57,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:42:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:42:57,313 INFO L87 Difference]: Start difference. First operand 2544 states and 3361 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 01:42:57,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:57,573 INFO L93 Difference]: Finished difference Result 2544 states and 3361 transitions. [2021-11-13 01:42:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:57,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 127 [2021-11-13 01:42:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:57,591 INFO L225 Difference]: With dead ends: 2544 [2021-11-13 01:42:57,591 INFO L226 Difference]: Without dead ends: 2542 [2021-11-13 01:42:57,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:42:57,594 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 1812 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:57,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1814 Valid, 3832 Invalid, 2 Unknown, 0 Unchecked, 9.27ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.27ms Time] [2021-11-13 01:42:57,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-11-13 01:42:57,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2021-11-13 01:42:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1673 states have (on average 1.214584578601315) internal successors, (2032), 1734 states have internal predecessors, (2032), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:42:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3359 transitions. [2021-11-13 01:42:57,988 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3359 transitions. Word has length 127 [2021-11-13 01:42:57,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:57,989 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3359 transitions. [2021-11-13 01:42:57,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 01:42:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3359 transitions. [2021-11-13 01:42:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-13 01:42:57,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:57,995 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:58,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:58,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:58,212 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 29 more)] === [2021-11-13 01:42:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:58,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1920591769, now seen corresponding path program 1 times [2021-11-13 01:42:58,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:58,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076043682] [2021-11-13 01:42:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:58,216 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:58,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:58,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 01:43:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:04,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:04,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:43:04,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:43:05,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:05,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076043682] [2021-11-13 01:43:05,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076043682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:05,508 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:05,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 01:43:05,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736911921] [2021-11-13 01:43:05,509 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:05,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:43:05,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:43:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:05,511 INFO L87 Difference]: Start difference. First operand 2542 states and 3359 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 01:43:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:05,871 INFO L93 Difference]: Finished difference Result 2554 states and 3376 transitions. [2021-11-13 01:43:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:43:05,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 172 [2021-11-13 01:43:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:05,889 INFO L225 Difference]: With dead ends: 2554 [2021-11-13 01:43:05,889 INFO L226 Difference]: Without dead ends: 2552 [2021-11-13 01:43:05,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:43:05,895 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 12 mSDsluCounter, 5746 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7663 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:05,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 7663 Invalid, 12 Unknown, 0 Unchecked, 12.39ms Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 37.33ms Time] [2021-11-13 01:43:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2021-11-13 01:43:06,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2546. [2021-11-13 01:43:06,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 1677 states have (on average 1.21407274895647) internal successors, (2036), 1738 states have internal predecessors, (2036), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:43:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3363 transitions. [2021-11-13 01:43:06,307 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3363 transitions. Word has length 172 [2021-11-13 01:43:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:06,308 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3363 transitions. [2021-11-13 01:43:06,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 01:43:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3363 transitions. [2021-11-13 01:43:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-13 01:43:06,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:06,313 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:06,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:06,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:06,540 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 29 more)] === [2021-11-13 01:43:06,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:06,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1920532187, now seen corresponding path program 1 times [2021-11-13 01:43:06,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:06,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697045121] [2021-11-13 01:43:06,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:06,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:06,547 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:06,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-13 01:43:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:12,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:43:12,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:43:13,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:43:14,616 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:14,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697045121] [2021-11-13 01:43:14,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697045121] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:14,617 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:14,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-13 01:43:14,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354811561] [2021-11-13 01:43:14,617 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:14,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:43:14,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:14,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:43:14,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:43:14,619 INFO L87 Difference]: Start difference. First operand 2546 states and 3363 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:43:16,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:43:18,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:43:24,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:24,615 INFO L93 Difference]: Finished difference Result 5043 states and 6693 transitions. [2021-11-13 01:43:24,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:43:24,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) Word has length 172 [2021-11-13 01:43:24,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:24,628 INFO L225 Difference]: With dead ends: 5043 [2021-11-13 01:43:24,628 INFO L226 Difference]: Without dead ends: 2540 [2021-11-13 01:43:24,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:43:24,641 INFO L933 BasicCegarLoop]: 1913 mSDtfsCounter, 1835 mSDsluCounter, 6118 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9024.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 8031 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.20ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9564.75ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:24,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1841 Valid, 8031 Invalid, 1539 Unknown, 0 Unchecked, 30.20ms Time], IncrementalHoareTripleChecker [1 Valid, 1536 Invalid, 2 Unknown, 0 Unchecked, 9564.75ms Time] [2021-11-13 01:43:24,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2021-11-13 01:43:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2540. [2021-11-13 01:43:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2540 states, 1672 states have (on average 1.2123205741626795) internal successors, (2027), 1732 states have internal predecessors, (2027), 663 states have call successors, (663), 186 states have call predecessors, (663), 185 states have return successors, (664), 660 states have call predecessors, (664), 661 states have call successors, (664) [2021-11-13 01:43:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 3354 transitions. [2021-11-13 01:43:24,997 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 3354 transitions. Word has length 172 [2021-11-13 01:43:24,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:24,999 INFO L470 AbstractCegarLoop]: Abstraction has 2540 states and 3354 transitions. [2021-11-13 01:43:25,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (34), 3 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 01:43:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3354 transitions. [2021-11-13 01:43:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-13 01:43:25,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:25,004 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:25,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:25,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:25,228 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 29 more)] === [2021-11-13 01:43:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1486331325, now seen corresponding path program 1 times [2021-11-13 01:43:25,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:25,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963091570] [2021-11-13 01:43:25,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:25,233 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:25,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:25,235 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:25,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 01:43:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:30,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:43:30,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-13 01:43:32,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-13 01:43:34,348 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:34,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963091570] [2021-11-13 01:43:34,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963091570] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:43:34,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:43:34,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [18] total 33 [2021-11-13 01:43:34,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275578549] [2021-11-13 01:43:34,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:34,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 01:43:34,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:34,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 01:43:34,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:43:34,351 INFO L87 Difference]: Start difference. First operand 2540 states and 3354 transitions. Second operand has 18 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 7 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2021-11-13 01:43:37,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:37,580 INFO L93 Difference]: Finished difference Result 3314 states and 4360 transitions. [2021-11-13 01:43:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 01:43:37,581 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 7 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 162 [2021-11-13 01:43:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:37,595 INFO L225 Difference]: With dead ends: 3314 [2021-11-13 01:43:37,595 INFO L226 Difference]: Without dead ends: 2580 [2021-11-13 01:43:37,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=289, Invalid=1691, Unknown=0, NotChecked=0, Total=1980 [2021-11-13 01:43:37,601 INFO L933 BasicCegarLoop]: 1906 mSDtfsCounter, 88 mSDsluCounter, 30246 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1589.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 32152 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.15ms SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1727.07ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:37,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 32152 Invalid, 896 Unknown, 0 Unchecked, 38.15ms Time], IncrementalHoareTripleChecker [277 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1727.07ms Time] [2021-11-13 01:43:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2021-11-13 01:43:37,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2556. [2021-11-13 01:43:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 1683 states have (on average 1.2109328579916816) internal successors, (2038), 1743 states have internal predecessors, (2038), 668 states have call successors, (668), 186 states have call predecessors, (668), 185 states have return successors, (669), 665 states have call predecessors, (669), 666 states have call successors, (669) [2021-11-13 01:43:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3375 transitions. [2021-11-13 01:43:37,931 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3375 transitions. Word has length 162 [2021-11-13 01:43:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:37,931 INFO L470 AbstractCegarLoop]: Abstraction has 2556 states and 3375 transitions. [2021-11-13 01:43:37,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 7 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2021-11-13 01:43:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3375 transitions. [2021-11-13 01:43:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-13 01:43:37,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:37,936 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:38,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:38,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:38,160 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 29 more)] === [2021-11-13 01:43:38,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:38,160 INFO L85 PathProgramCache]: Analyzing trace with hash -877510337, now seen corresponding path program 1 times [2021-11-13 01:43:38,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:38,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17349703] [2021-11-13 01:43:38,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:38,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:38,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:38,165 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:38,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 01:43:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:43,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:43:43,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-13 01:43:44,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-13 01:43:45,015 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:45,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17349703] [2021-11-13 01:43:45,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17349703] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:43:45,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:43:45,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-11-13 01:43:45,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410566742] [2021-11-13 01:43:45,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:45,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:43:45,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:43:45,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:43:45,017 INFO L87 Difference]: Start difference. First operand 2556 states and 3375 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 01:43:46,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:46,395 INFO L93 Difference]: Finished difference Result 3361 states and 4429 transitions. [2021-11-13 01:43:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:43:46,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2021-11-13 01:43:46,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:46,406 INFO L225 Difference]: With dead ends: 3361 [2021-11-13 01:43:46,406 INFO L226 Difference]: Without dead ends: 2578 [2021-11-13 01:43:46,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:43:46,411 INFO L933 BasicCegarLoop]: 1956 mSDtfsCounter, 1066 mSDsluCounter, 6221 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 894.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 8177 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.77ms SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1062.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:46,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1066 Valid, 8177 Invalid, 655 Unknown, 0 Unchecked, 15.77ms Time], IncrementalHoareTripleChecker [512 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1062.84ms Time] [2021-11-13 01:43:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2021-11-13 01:43:46,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2554. [2021-11-13 01:43:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 1682 states have (on average 1.2104637336504163) internal successors, (2036), 1742 states have internal predecessors, (2036), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:43:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 3371 transitions. [2021-11-13 01:43:46,778 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 3371 transitions. Word has length 162 [2021-11-13 01:43:46,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:46,779 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 3371 transitions. [2021-11-13 01:43:46,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 01:43:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3371 transitions. [2021-11-13 01:43:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 01:43:46,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:46,782 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:43:46,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:46,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:46,996 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 29 more)] === [2021-11-13 01:43:46,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:46,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1855637986, now seen corresponding path program 1 times [2021-11-13 01:43:47,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:47,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158939227] [2021-11-13 01:43:47,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:47,001 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:47,003 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:47,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-13 01:43:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:52,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:43:52,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:43:53,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:43:53,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:53,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158939227] [2021-11-13 01:43:53,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158939227] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:53,474 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:53,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:43:53,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970578601] [2021-11-13 01:43:53,474 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:53,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:43:53,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:53,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:43:53,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:43:53,476 INFO L87 Difference]: Start difference. First operand 2554 states and 3371 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 01:43:53,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:53,708 INFO L93 Difference]: Finished difference Result 2554 states and 3371 transitions. [2021-11-13 01:43:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:43:53,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 133 [2021-11-13 01:43:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:53,720 INFO L225 Difference]: With dead ends: 2554 [2021-11-13 01:43:53,720 INFO L226 Difference]: Without dead ends: 2552 [2021-11-13 01:43:53,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:43:53,724 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 1798 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 5732 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.44ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:53,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1800 Valid, 5732 Invalid, 2 Unknown, 0 Unchecked, 9.19ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.44ms Time] [2021-11-13 01:43:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2021-11-13 01:43:54,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2552. [2021-11-13 01:43:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2552 states, 1681 states have (on average 1.2099940511600238) internal successors, (2034), 1740 states have internal predecessors, (2034), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:43:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 3369 transitions. [2021-11-13 01:43:54,085 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 3369 transitions. Word has length 133 [2021-11-13 01:43:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:54,086 INFO L470 AbstractCegarLoop]: Abstraction has 2552 states and 3369 transitions. [2021-11-13 01:43:54,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 01:43:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 3369 transitions. [2021-11-13 01:43:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-13 01:43:54,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:54,088 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:54,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:54,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:54,304 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 29 more)] === [2021-11-13 01:43:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash 240543848, now seen corresponding path program 1 times [2021-11-13 01:43:54,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:54,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720137400] [2021-11-13 01:43:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:54,308 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:54,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:54,309 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:54,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-13 01:44:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:00,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:44:00,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:44:01,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:44:02,440 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:02,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720137400] [2021-11-13 01:44:02,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720137400] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:02,441 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:02,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 01:44:02,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046243672] [2021-11-13 01:44:02,442 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:02,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:44:02,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:02,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:44:02,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:44:02,444 INFO L87 Difference]: Start difference. First operand 2552 states and 3369 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-13 01:44:02,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:02,735 INFO L93 Difference]: Finished difference Result 5041 states and 6688 transitions. [2021-11-13 01:44:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:44:02,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 179 [2021-11-13 01:44:02,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:02,746 INFO L225 Difference]: With dead ends: 5041 [2021-11-13 01:44:02,746 INFO L226 Difference]: Without dead ends: 2546 [2021-11-13 01:44:02,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:44:02,759 INFO L933 BasicCegarLoop]: 1908 mSDtfsCounter, 1844 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.54ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.88ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:02,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1844 Valid, 1908 Invalid, 23 Unknown, 0 Unchecked, 4.54ms Time], IncrementalHoareTripleChecker [22 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 34.88ms Time] [2021-11-13 01:44:02,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2021-11-13 01:44:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2546. [2021-11-13 01:44:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 1676 states have (on average 1.208233890214797) internal successors, (2025), 1734 states have internal predecessors, (2025), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3360 transitions. [2021-11-13 01:44:03,188 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3360 transitions. Word has length 179 [2021-11-13 01:44:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:03,188 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3360 transitions. [2021-11-13 01:44:03,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-13 01:44:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3360 transitions. [2021-11-13 01:44:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 01:44:03,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:03,191 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:44:03,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:03,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:03,416 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 29 more)] === [2021-11-13 01:44:03,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:03,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2100939490, now seen corresponding path program 1 times [2021-11-13 01:44:03,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:03,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692860340] [2021-11-13 01:44:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:03,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:03,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:03,426 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:03,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-13 01:44:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:08,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:08,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:09,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:10,156 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:10,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692860340] [2021-11-13 01:44:10,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692860340] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:10,157 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:10,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:10,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595540617] [2021-11-13 01:44:10,157 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:10,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:10,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:10,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:10,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:10,159 INFO L87 Difference]: Start difference. First operand 2546 states and 3360 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-13 01:44:10,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:10,404 INFO L93 Difference]: Finished difference Result 2546 states and 3360 transitions. [2021-11-13 01:44:10,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:10,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 139 [2021-11-13 01:44:10,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:10,418 INFO L225 Difference]: With dead ends: 2546 [2021-11-13 01:44:10,418 INFO L226 Difference]: Without dead ends: 2544 [2021-11-13 01:44:10,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:10,421 INFO L933 BasicCegarLoop]: 1905 mSDtfsCounter, 1788 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.04ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:10,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 3808 Invalid, 2 Unknown, 0 Unchecked, 6.99ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.04ms Time] [2021-11-13 01:44:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2021-11-13 01:44:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2021-11-13 01:44:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1675 states have (on average 1.2077611940298507) internal successors, (2023), 1732 states have internal predecessors, (2023), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3358 transitions. [2021-11-13 01:44:10,824 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3358 transitions. Word has length 139 [2021-11-13 01:44:10,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:10,825 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3358 transitions. [2021-11-13 01:44:10,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-13 01:44:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3358 transitions. [2021-11-13 01:44:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 01:44:10,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:10,828 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:44:10,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:11,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:11,044 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 29 more)] === [2021-11-13 01:44:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash -991135206, now seen corresponding path program 1 times [2021-11-13 01:44:11,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:11,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334874480] [2021-11-13 01:44:11,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:11,051 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:11,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:11,052 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:11,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 01:44:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:16,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1916 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:16,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:17,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:18,037 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:18,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334874480] [2021-11-13 01:44:18,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334874480] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:18,037 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:18,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:18,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141161460] [2021-11-13 01:44:18,038 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:18,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:18,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:18,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:18,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:18,039 INFO L87 Difference]: Start difference. First operand 2544 states and 3358 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 01:44:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:18,335 INFO L93 Difference]: Finished difference Result 2544 states and 3358 transitions. [2021-11-13 01:44:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:18,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 145 [2021-11-13 01:44:18,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:18,348 INFO L225 Difference]: With dead ends: 2544 [2021-11-13 01:44:18,348 INFO L226 Difference]: Without dead ends: 2542 [2021-11-13 01:44:18,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:18,350 INFO L933 BasicCegarLoop]: 1903 mSDtfsCounter, 1780 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 3804 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.14ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:18,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 3804 Invalid, 2 Unknown, 0 Unchecked, 7.21ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.14ms Time] [2021-11-13 01:44:18,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-11-13 01:44:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2021-11-13 01:44:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1674 states have (on average 1.2072879330943846) internal successors, (2021), 1730 states have internal predecessors, (2021), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3356 transitions. [2021-11-13 01:44:18,737 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3356 transitions. Word has length 145 [2021-11-13 01:44:18,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:18,738 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3356 transitions. [2021-11-13 01:44:18,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 01:44:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3356 transitions. [2021-11-13 01:44:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 01:44:18,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:18,741 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:44:18,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:18,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:18,956 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 29 more)] === [2021-11-13 01:44:18,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:18,956 INFO L85 PathProgramCache]: Analyzing trace with hash -12081456, now seen corresponding path program 1 times [2021-11-13 01:44:18,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:18,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697922413] [2021-11-13 01:44:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:18,960 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:18,961 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:18,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 01:44:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:24,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1925 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:24,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:25,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:25,876 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:25,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697922413] [2021-11-13 01:44:25,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697922413] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:25,876 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:25,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 01:44:25,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064276490] [2021-11-13 01:44:25,876 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:25,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:44:25,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:25,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:44:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:25,878 INFO L87 Difference]: Start difference. First operand 2542 states and 3356 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-13 01:44:27,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:27,387 INFO L93 Difference]: Finished difference Result 2542 states and 3356 transitions. [2021-11-13 01:44:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:27,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 151 [2021-11-13 01:44:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:27,398 INFO L225 Difference]: With dead ends: 2542 [2021-11-13 01:44:27,398 INFO L226 Difference]: Without dead ends: 2540 [2021-11-13 01:44:27,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:44:27,401 INFO L933 BasicCegarLoop]: 1901 mSDtfsCounter, 2891 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 963.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 3800 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.72ms SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1205.83ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:27,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2893 Valid, 3800 Invalid, 741 Unknown, 0 Unchecked, 13.72ms Time], IncrementalHoareTripleChecker [739 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1205.83ms Time] [2021-11-13 01:44:27,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2021-11-13 01:44:27,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2540. [2021-11-13 01:44:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2540 states, 1673 states have (on average 1.2068141063956963) internal successors, (2019), 1728 states have internal predecessors, (2019), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 3354 transitions. [2021-11-13 01:44:27,769 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 3354 transitions. Word has length 151 [2021-11-13 01:44:27,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:27,770 INFO L470 AbstractCegarLoop]: Abstraction has 2540 states and 3354 transitions. [2021-11-13 01:44:27,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-13 01:44:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3354 transitions. [2021-11-13 01:44:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-13 01:44:27,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:27,772 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:44:27,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:27,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:27,987 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 29 more)] === [2021-11-13 01:44:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:27,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2005861663, now seen corresponding path program 1 times [2021-11-13 01:44:27,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:27,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628764125] [2021-11-13 01:44:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:27,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:27,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:27,991 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:27,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-13 01:44:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:33,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1934 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:33,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:34,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:34,892 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:34,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628764125] [2021-11-13 01:44:34,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628764125] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:34,893 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:34,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:34,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835477222] [2021-11-13 01:44:34,893 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:34,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:34,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:34,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:34,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:34,895 INFO L87 Difference]: Start difference. First operand 2540 states and 3354 transitions. Second operand has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:44:35,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:35,222 INFO L93 Difference]: Finished difference Result 2540 states and 3354 transitions. [2021-11-13 01:44:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:35,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 157 [2021-11-13 01:44:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:35,230 INFO L225 Difference]: With dead ends: 2540 [2021-11-13 01:44:35,231 INFO L226 Difference]: Without dead ends: 2538 [2021-11-13 01:44:35,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:35,233 INFO L933 BasicCegarLoop]: 1899 mSDtfsCounter, 1761 mSDsluCounter, 3794 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 5693 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.01ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:35,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1763 Valid, 5693 Invalid, 2 Unknown, 0 Unchecked, 10.62ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.01ms Time] [2021-11-13 01:44:35,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2021-11-13 01:44:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2021-11-13 01:44:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 1672 states have (on average 1.2063397129186604) internal successors, (2017), 1726 states have internal predecessors, (2017), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3352 transitions. [2021-11-13 01:44:35,609 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3352 transitions. Word has length 157 [2021-11-13 01:44:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:35,610 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 3352 transitions. [2021-11-13 01:44:35,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 01:44:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3352 transitions. [2021-11-13 01:44:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 01:44:35,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:35,613 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:44:35,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:35,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:35,820 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 29 more)] === [2021-11-13 01:44:35,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:35,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1715898146, now seen corresponding path program 1 times [2021-11-13 01:44:35,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:35,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388773538] [2021-11-13 01:44:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:35,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:35,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:35,825 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:35,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 01:44:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:41,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1943 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:41,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:42,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:42,995 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:42,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388773538] [2021-11-13 01:44:42,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388773538] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:42,995 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:42,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:42,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675206639] [2021-11-13 01:44:42,996 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:42,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:42,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:42,997 INFO L87 Difference]: Start difference. First operand 2538 states and 3352 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 01:44:43,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:43,331 INFO L93 Difference]: Finished difference Result 2538 states and 3352 transitions. [2021-11-13 01:44:43,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:43,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 163 [2021-11-13 01:44:43,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:43,344 INFO L225 Difference]: With dead ends: 2538 [2021-11-13 01:44:43,344 INFO L226 Difference]: Without dead ends: 2536 [2021-11-13 01:44:43,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:43,347 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 1756 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:43,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1758 Valid, 3792 Invalid, 2 Unknown, 0 Unchecked, 7.27ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.27ms Time] [2021-11-13 01:44:43,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-11-13 01:44:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2536. [2021-11-13 01:44:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2536 states, 1671 states have (on average 1.205864751645721) internal successors, (2015), 1724 states have internal predecessors, (2015), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 3350 transitions. [2021-11-13 01:44:43,800 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 3350 transitions. Word has length 163 [2021-11-13 01:44:43,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:43,801 INFO L470 AbstractCegarLoop]: Abstraction has 2536 states and 3350 transitions. [2021-11-13 01:44:43,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 01:44:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 3350 transitions. [2021-11-13 01:44:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-13 01:44:43,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:43,804 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:43,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:44,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:44,032 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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 29 more)] === [2021-11-13 01:44:44,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:44,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1455930272, now seen corresponding path program 1 times [2021-11-13 01:44:44,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:44,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574113601] [2021-11-13 01:44:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:44,036 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:44,037 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:44,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 01:44:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:49,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:44:49,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:44:50,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-13 01:44:51,067 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:51,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574113601] [2021-11-13 01:44:51,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574113601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:51,068 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:51,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:44:51,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566739833] [2021-11-13 01:44:51,068 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:51,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:44:51,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:51,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:44:51,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:44:51,070 INFO L87 Difference]: Start difference. First operand 2536 states and 3350 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 01:44:51,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:51,701 INFO L93 Difference]: Finished difference Result 4386 states and 5760 transitions. [2021-11-13 01:44:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:44:51,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 208 [2021-11-13 01:44:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:51,714 INFO L225 Difference]: With dead ends: 4386 [2021-11-13 01:44:51,715 INFO L226 Difference]: Without dead ends: 2530 [2021-11-13 01:44:51,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:44:51,725 INFO L933 BasicCegarLoop]: 1893 mSDtfsCounter, 1864 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 271.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1864 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.92ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 325.48ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:51,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1864 Valid, 1893 Invalid, 18 Unknown, 0 Unchecked, 3.92ms Time], IncrementalHoareTripleChecker [17 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 325.48ms Time] [2021-11-13 01:44:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2021-11-13 01:44:52,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2530. [2021-11-13 01:44:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 1666 states have (on average 1.2040816326530612) internal successors, (2006), 1718 states have internal predecessors, (2006), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:44:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3341 transitions. [2021-11-13 01:44:52,260 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3341 transitions. Word has length 208 [2021-11-13 01:44:52,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:52,261 INFO L470 AbstractCegarLoop]: Abstraction has 2530 states and 3341 transitions. [2021-11-13 01:44:52,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 01:44:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3341 transitions. [2021-11-13 01:44:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 01:44:52,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:52,264 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:44:52,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:52,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:44:52,480 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 29 more)] === [2021-11-13 01:44:52,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:52,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1802985074, now seen corresponding path program 1 times [2021-11-13 01:44:52,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:44:52,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668973521] [2021-11-13 01:44:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:52,484 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:44:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:44:52,485 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:44:52,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-13 01:44:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:57,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:44:57,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:58,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:44:59,568 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:44:59,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668973521] [2021-11-13 01:44:59,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668973521] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:44:59,568 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:44:59,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:44:59,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272564447] [2021-11-13 01:44:59,569 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:44:59,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:44:59,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:44:59,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:44:59,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:44:59,571 INFO L87 Difference]: Start difference. First operand 2530 states and 3341 transitions. Second operand has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 01:44:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:59,889 INFO L93 Difference]: Finished difference Result 2530 states and 3341 transitions. [2021-11-13 01:44:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:44:59,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 169 [2021-11-13 01:44:59,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:59,901 INFO L225 Difference]: With dead ends: 2530 [2021-11-13 01:44:59,902 INFO L226 Difference]: Without dead ends: 2528 [2021-11-13 01:44:59,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:44:59,905 INFO L933 BasicCegarLoop]: 1890 mSDtfsCounter, 1743 mSDsluCounter, 1888 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 3778 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.48ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:59,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1745 Valid, 3778 Invalid, 2 Unknown, 0 Unchecked, 7.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.48ms Time] [2021-11-13 01:44:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2021-11-13 01:45:00,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2528. [2021-11-13 01:45:00,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2528 states, 1665 states have (on average 1.2036036036036035) internal successors, (2004), 1716 states have internal predecessors, (2004), 667 states have call successors, (667), 186 states have call predecessors, (667), 185 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:45:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3339 transitions. [2021-11-13 01:45:00,432 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3339 transitions. Word has length 169 [2021-11-13 01:45:00,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:00,433 INFO L470 AbstractCegarLoop]: Abstraction has 2528 states and 3339 transitions. [2021-11-13 01:45:00,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 01:45:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3339 transitions. [2021-11-13 01:45:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-13 01:45:00,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:00,437 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-13 01:45:00,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:00,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:00,652 INFO L402 AbstractCegarLoop]: === Iteration 28 === 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 29 more)] === [2021-11-13 01:45:00,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:00,653 INFO L85 PathProgramCache]: Analyzing trace with hash 121522543, now seen corresponding path program 1 times [2021-11-13 01:45:00,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:00,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414374976] [2021-11-13 01:45:00,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:00,656 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:00,657 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:00,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-13 01:45:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:06,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 2205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:45:06,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-13 01:45:07,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-13 01:45:08,064 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:08,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414374976] [2021-11-13 01:45:08,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414374976] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:08,065 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:08,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:45:08,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914829897] [2021-11-13 01:45:08,065 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:08,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:45:08,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:08,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:45:08,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:45:08,066 INFO L87 Difference]: Start difference. First operand 2528 states and 3339 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-13 01:45:09,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:09,911 INFO L93 Difference]: Finished difference Result 4375 states and 5738 transitions. [2021-11-13 01:45:09,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:45:09,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 214 [2021-11-13 01:45:09,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:09,921 INFO L225 Difference]: With dead ends: 4375 [2021-11-13 01:45:09,921 INFO L226 Difference]: Without dead ends: 2533 [2021-11-13 01:45:09,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:45:09,929 INFO L933 BasicCegarLoop]: 1901 mSDtfsCounter, 2930 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1180.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.98ms SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1478.33ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:09,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2930 Valid, 1923 Invalid, 762 Unknown, 0 Unchecked, 8.98ms Time], IncrementalHoareTripleChecker [760 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1478.33ms Time] [2021-11-13 01:45:09,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2021-11-13 01:45:10,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2532. [2021-11-13 01:45:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 1667 states have (on average 1.2009598080383923) internal successors, (2002), 1717 states have internal predecessors, (2002), 667 states have call successors, (667), 189 states have call predecessors, (667), 188 states have return successors, (668), 664 states have call predecessors, (668), 665 states have call successors, (668) [2021-11-13 01:45:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3337 transitions. [2021-11-13 01:45:10,375 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3337 transitions. Word has length 214 [2021-11-13 01:45:10,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:10,376 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 3337 transitions. [2021-11-13 01:45:10,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-13 01:45:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3337 transitions. [2021-11-13 01:45:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-13 01:45:10,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:10,380 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:45:10,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:10,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:10,588 INFO L402 AbstractCegarLoop]: === Iteration 29 === 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 29 more)] === [2021-11-13 01:45:10,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:10,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1190405391, now seen corresponding path program 1 times [2021-11-13 01:45:10,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:10,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464231084] [2021-11-13 01:45:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:10,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:10,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:10,593 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:10,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-13 01:45:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:15,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:45:17,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:45:17,659 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:17,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464231084] [2021-11-13 01:45:17,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464231084] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:17,660 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:17,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:17,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125655599] [2021-11-13 01:45:17,661 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:17,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:17,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:17,663 INFO L87 Difference]: Start difference. First operand 2532 states and 3337 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 01:45:18,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:18,373 INFO L93 Difference]: Finished difference Result 4929 states and 6505 transitions. [2021-11-13 01:45:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:45:18,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 175 [2021-11-13 01:45:18,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:18,405 INFO L225 Difference]: With dead ends: 4929 [2021-11-13 01:45:18,405 INFO L226 Difference]: Without dead ends: 4927 [2021-11-13 01:45:18,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:18,410 INFO L933 BasicCegarLoop]: 2797 mSDtfsCounter, 1730 mSDsluCounter, 4535 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.77ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.88ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:18,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1732 Valid, 7332 Invalid, 17 Unknown, 0 Unchecked, 14.77ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 54.88ms Time] [2021-11-13 01:45:18,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2021-11-13 01:45:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 4894. [2021-11-13 01:45:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4894 states, 3218 states have (on average 1.2007458048477315) internal successors, (3864), 3309 states have internal predecessors, (3864), 1297 states have call successors, (1297), 370 states have call predecessors, (1297), 369 states have return successors, (1314), 1292 states have call predecessors, (1314), 1295 states have call successors, (1314) [2021-11-13 01:45:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 6475 transitions. [2021-11-13 01:45:19,294 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 6475 transitions. Word has length 175 [2021-11-13 01:45:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:19,295 INFO L470 AbstractCegarLoop]: Abstraction has 4894 states and 6475 transitions. [2021-11-13 01:45:19,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 01:45:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 6475 transitions. [2021-11-13 01:45:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-13 01:45:19,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:19,297 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:45:19,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:19,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:19,500 INFO L402 AbstractCegarLoop]: === Iteration 30 === 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 29 more)] === [2021-11-13 01:45:19,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:19,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1255555653, now seen corresponding path program 1 times [2021-11-13 01:45:19,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:19,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125367546] [2021-11-13 01:45:19,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:19,504 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:19,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:19,505 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:19,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-13 01:45:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:25,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:25,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:45:26,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:45:26,804 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:26,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125367546] [2021-11-13 01:45:26,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125367546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:26,805 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:26,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:26,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210505236] [2021-11-13 01:45:26,805 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:26,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:26,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:26,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:26,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:26,806 INFO L87 Difference]: Start difference. First operand 4894 states and 6475 transitions. Second operand has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 01:45:27,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:27,478 INFO L93 Difference]: Finished difference Result 4894 states and 6475 transitions. [2021-11-13 01:45:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:27,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 181 [2021-11-13 01:45:27,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:27,491 INFO L225 Difference]: With dead ends: 4894 [2021-11-13 01:45:27,492 INFO L226 Difference]: Without dead ends: 4892 [2021-11-13 01:45:27,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:27,494 INFO L933 BasicCegarLoop]: 1883 mSDtfsCounter, 1721 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 5645 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:27,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1723 Valid, 5645 Invalid, 2 Unknown, 0 Unchecked, 10.55ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.06ms Time] [2021-11-13 01:45:27,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2021-11-13 01:45:28,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4892. [2021-11-13 01:45:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4892 states, 3217 states have (on average 1.200497357786758) internal successors, (3862), 3307 states have internal predecessors, (3862), 1297 states have call successors, (1297), 370 states have call predecessors, (1297), 369 states have return successors, (1314), 1292 states have call predecessors, (1314), 1295 states have call successors, (1314) [2021-11-13 01:45:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4892 states to 4892 states and 6473 transitions. [2021-11-13 01:45:28,212 INFO L78 Accepts]: Start accepts. Automaton has 4892 states and 6473 transitions. Word has length 181 [2021-11-13 01:45:28,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:28,212 INFO L470 AbstractCegarLoop]: Abstraction has 4892 states and 6473 transitions. [2021-11-13 01:45:28,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 01:45:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4892 states and 6473 transitions. [2021-11-13 01:45:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-13 01:45:28,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:28,216 INFO L514 BasicCegarLoop]: 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] [2021-11-13 01:45:28,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-11-13 01:45:28,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:28,432 INFO L402 AbstractCegarLoop]: === Iteration 31 === 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 29 more)] === [2021-11-13 01:45:28,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:28,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1345433749, now seen corresponding path program 1 times [2021-11-13 01:45:28,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:28,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853778034] [2021-11-13 01:45:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:28,436 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:28,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:28,437 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:28,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-13 01:45:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:34,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:45:34,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:45:35,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 01:45:35,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:35,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853778034] [2021-11-13 01:45:35,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853778034] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:35,767 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:35,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 01:45:35,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726766850] [2021-11-13 01:45:35,768 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:35,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:45:35,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:45:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:45:35,770 INFO L87 Difference]: Start difference. First operand 4892 states and 6473 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-13 01:45:37,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:37,008 INFO L93 Difference]: Finished difference Result 9629 states and 12760 transitions. [2021-11-13 01:45:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:45:37,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 187 [2021-11-13 01:45:37,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:37,031 INFO L225 Difference]: With dead ends: 9629 [2021-11-13 01:45:37,031 INFO L226 Difference]: Without dead ends: 9424 [2021-11-13 01:45:37,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:45:37,035 INFO L933 BasicCegarLoop]: 3046 mSDtfsCounter, 1710 mSDsluCounter, 7810 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 10856 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.85ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:37,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1710 Valid, 10856 Invalid, 18 Unknown, 0 Unchecked, 17.56ms Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 58.85ms Time] [2021-11-13 01:45:37,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9424 states. [2021-11-13 01:45:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9424 to 9400. [2021-11-13 01:45:38,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9400 states, 6182 states have (on average 1.2028469750889679) internal successors, (7436), 6350 states have internal predecessors, (7436), 2501 states have call successors, (2501), 711 states have call predecessors, (2501), 708 states have return successors, (2561), 2494 states have call predecessors, (2561), 2495 states have call successors, (2561) [2021-11-13 01:45:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9400 states to 9400 states and 12498 transitions. [2021-11-13 01:45:38,255 INFO L78 Accepts]: Start accepts. Automaton has 9400 states and 12498 transitions. Word has length 187 [2021-11-13 01:45:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:38,256 INFO L470 AbstractCegarLoop]: Abstraction has 9400 states and 12498 transitions. [2021-11-13 01:45:38,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-13 01:45:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 9400 states and 12498 transitions. [2021-11-13 01:45:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-13 01:45:38,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:38,258 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-13 01:45:38,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:38,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:38,460 INFO L402 AbstractCegarLoop]: === Iteration 32 === 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 29 more)] === [2021-11-13 01:45:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:38,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1657859426, now seen corresponding path program 1 times [2021-11-13 01:45:38,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:38,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707480546] [2021-11-13 01:45:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:38,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:38,465 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:38,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-13 01:45:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:45:44,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 01:45:44,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:45:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2021-11-13 01:45:46,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:45:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-13 01:45:48,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:45:48,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707480546] [2021-11-13 01:45:48,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707480546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:45:48,052 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:45:48,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 25 [2021-11-13 01:45:48,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595153448] [2021-11-13 01:45:48,053 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:45:48,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-13 01:45:48,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:45:48,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 01:45:48,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:45:48,055 INFO L87 Difference]: Start difference. First operand 9400 states and 12498 transitions. Second operand has 25 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 10 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (40), 10 states have call predecessors, (40), 10 states have call successors, (40) [2021-11-13 01:45:54,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:45:54,625 INFO L93 Difference]: Finished difference Result 15981 states and 21666 transitions. [2021-11-13 01:45:54,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 01:45:54,626 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 10 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (40), 10 states have call predecessors, (40), 10 states have call successors, (40) Word has length 263 [2021-11-13 01:45:54,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:45:54,669 INFO L225 Difference]: With dead ends: 15981 [2021-11-13 01:45:54,669 INFO L226 Difference]: Without dead ends: 12114 [2021-11-13 01:45:54,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2021-11-13 01:45:54,688 INFO L933 BasicCegarLoop]: 2116 mSDtfsCounter, 2010 mSDsluCounter, 40655 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 929 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3106.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 42771 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 70.99ms SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3443.72ms IncrementalHoareTripleChecker+Time [2021-11-13 01:45:54,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2149 Valid, 42771 Invalid, 1836 Unknown, 0 Unchecked, 70.99ms Time], IncrementalHoareTripleChecker [929 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 3443.72ms Time] [2021-11-13 01:45:54,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12114 states. [2021-11-13 01:45:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12114 to 9416. [2021-11-13 01:45:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9416 states, 6193 states have (on average 1.2024866785079928) internal successors, (7447), 6361 states have internal predecessors, (7447), 2506 states have call successors, (2506), 711 states have call predecessors, (2506), 708 states have return successors, (2566), 2499 states have call predecessors, (2566), 2500 states have call successors, (2566) [2021-11-13 01:45:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9416 states to 9416 states and 12519 transitions. [2021-11-13 01:45:56,298 INFO L78 Accepts]: Start accepts. Automaton has 9416 states and 12519 transitions. Word has length 263 [2021-11-13 01:45:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:45:56,299 INFO L470 AbstractCegarLoop]: Abstraction has 9416 states and 12519 transitions. [2021-11-13 01:45:56,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 10 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (40), 10 states have call predecessors, (40), 10 states have call successors, (40) [2021-11-13 01:45:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 9416 states and 12519 transitions. [2021-11-13 01:45:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-13 01:45:56,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:45:56,302 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-13 01:45:56,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-13 01:45:56,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:45:56,528 INFO L402 AbstractCegarLoop]: === Iteration 33 === 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 29 more)] === [2021-11-13 01:45:56,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:45:56,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1517691813, now seen corresponding path program 1 times [2021-11-13 01:45:56,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:45:56,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449796277] [2021-11-13 01:45:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:45:56,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:45:56,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:45:56,536 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:45:56,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-13 01:46:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:03,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 2399 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 01:46:03,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:46:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2021-11-13 01:46:04,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:46:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-11-13 01:46:06,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:46:06,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449796277] [2021-11-13 01:46:06,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449796277] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:06,259 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:06,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-13 01:46:06,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394664406] [2021-11-13 01:46:06,259 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:06,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 01:46:06,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:46:06,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 01:46:06,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-13 01:46:06,261 INFO L87 Difference]: Start difference. First operand 9416 states and 12519 transitions. Second operand has 18 states, 18 states have (on average 7.555555555555555) internal successors, (136), 14 states have internal predecessors, (136), 4 states have call successors, (48), 2 states have call predecessors, (48), 6 states have return successors, (47), 8 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-13 01:46:09,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:09,280 INFO L93 Difference]: Finished difference Result 19387 states and 25852 transitions. [2021-11-13 01:46:09,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:46:09,281 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.555555555555555) internal successors, (136), 14 states have internal predecessors, (136), 4 states have call successors, (48), 2 states have call predecessors, (48), 6 states have return successors, (47), 8 states have call predecessors, (47), 4 states have call successors, (47) Word has length 282 [2021-11-13 01:46:09,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:09,319 INFO L225 Difference]: With dead ends: 19387 [2021-11-13 01:46:09,319 INFO L226 Difference]: Without dead ends: 10026 [2021-11-13 01:46:09,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:46:09,348 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 414 mSDsluCounter, 26965 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 950.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 29061 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1083.14ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:09,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 29061 Invalid, 219 Unknown, 0 Unchecked, 40.51ms Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 1083.14ms Time] [2021-11-13 01:46:09,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2021-11-13 01:46:10,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 9427. [2021-11-13 01:46:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9427 states, 6201 states have (on average 1.2022254475084664) internal successors, (7455), 6369 states have internal predecessors, (7455), 2507 states have call successors, (2507), 711 states have call predecessors, (2507), 710 states have return successors, (2571), 2502 states have call predecessors, (2571), 2501 states have call successors, (2571) [2021-11-13 01:46:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9427 states to 9427 states and 12533 transitions. [2021-11-13 01:46:10,527 INFO L78 Accepts]: Start accepts. Automaton has 9427 states and 12533 transitions. Word has length 282 [2021-11-13 01:46:10,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:10,527 INFO L470 AbstractCegarLoop]: Abstraction has 9427 states and 12533 transitions. [2021-11-13 01:46:10,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.555555555555555) internal successors, (136), 14 states have internal predecessors, (136), 4 states have call successors, (48), 2 states have call predecessors, (48), 6 states have return successors, (47), 8 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-13 01:46:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 9427 states and 12533 transitions. [2021-11-13 01:46:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-13 01:46:10,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:10,530 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-13 01:46:10,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-13 01:46:10,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:46:10,731 INFO L402 AbstractCegarLoop]: === Iteration 34 === 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 29 more)] === [2021-11-13 01:46:10,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:10,731 INFO L85 PathProgramCache]: Analyzing trace with hash -333885564, now seen corresponding path program 1 times [2021-11-13 01:46:10,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:46:10,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300650396] [2021-11-13 01:46:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:10,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:46:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:46:10,736 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:46:10,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-13 01:46:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:17,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 01:46:17,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:46:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-11-13 01:46:18,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:46:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-11-13 01:46:20,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:46:20,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300650396] [2021-11-13 01:46:20,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300650396] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:20,934 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:20,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16, 16] imperfect sequences [] total 29 [2021-11-13 01:46:20,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343446708] [2021-11-13 01:46:20,935 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:20,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-13 01:46:20,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:46:20,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-13 01:46:20,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:46:20,939 INFO L87 Difference]: Start difference. First operand 9427 states and 12533 transitions. Second operand has 29 states, 27 states have (on average 5.111111111111111) internal successors, (138), 27 states have internal predecessors, (138), 12 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (47), 12 states have call predecessors, (47), 12 states have call successors, (47) [2021-11-13 01:46:38,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:38,368 INFO L93 Difference]: Finished difference Result 24311 states and 33317 transitions. [2021-11-13 01:46:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-13 01:46:38,369 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 5.111111111111111) internal successors, (138), 27 states have internal predecessors, (138), 12 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (47), 12 states have call predecessors, (47), 12 states have call successors, (47) Word has length 303 [2021-11-13 01:46:38,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:38,441 INFO L225 Difference]: With dead ends: 24311 [2021-11-13 01:46:38,441 INFO L226 Difference]: Without dead ends: 14991 [2021-11-13 01:46:38,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=406, Invalid=2246, Unknown=0, NotChecked=0, Total=2652 [2021-11-13 01:46:38,479 INFO L933 BasicCegarLoop]: 2613 mSDtfsCounter, 4301 mSDsluCounter, 47930 mSDsCounter, 0 mSdLazyCounter, 3103 mSolverCounterSat, 3339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10707.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 50543 SdHoareTripleChecker+Invalid, 6442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 112.02ms SdHoareTripleChecker+Time, 3339 IncrementalHoareTripleChecker+Valid, 3103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11736.31ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:38,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4443 Valid, 50543 Invalid, 6442 Unknown, 0 Unchecked, 112.02ms Time], IncrementalHoareTripleChecker [3339 Valid, 3103 Invalid, 0 Unknown, 0 Unchecked, 11736.31ms Time] [2021-11-13 01:46:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14991 states. [2021-11-13 01:46:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14991 to 9541. [2021-11-13 01:46:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9541 states, 6280 states have (on average 1.1996815286624203) internal successors, (7534), 6448 states have internal predecessors, (7534), 2542 states have call successors, (2542), 711 states have call predecessors, (2542), 710 states have return successors, (2606), 2537 states have call predecessors, (2606), 2536 states have call successors, (2606) [2021-11-13 01:46:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9541 states to 9541 states and 12682 transitions. [2021-11-13 01:46:40,415 INFO L78 Accepts]: Start accepts. Automaton has 9541 states and 12682 transitions. Word has length 303 [2021-11-13 01:46:40,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:40,416 INFO L470 AbstractCegarLoop]: Abstraction has 9541 states and 12682 transitions. [2021-11-13 01:46:40,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 5.111111111111111) internal successors, (138), 27 states have internal predecessors, (138), 12 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (47), 12 states have call predecessors, (47), 12 states have call successors, (47) [2021-11-13 01:46:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 9541 states and 12682 transitions. [2021-11-13 01:46:40,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-11-13 01:46:40,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:40,422 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 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] [2021-11-13 01:46:40,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-13 01:46:40,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:46:40,636 INFO L402 AbstractCegarLoop]: === Iteration 35 === 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 29 more)] === [2021-11-13 01:46:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:40,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1681405488, now seen corresponding path program 1 times [2021-11-13 01:46:40,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:46:40,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860911145] [2021-11-13 01:46:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:40,642 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:46:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:46:40,643 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:46:40,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-13 01:46:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:46:47,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:46:47,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:46:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1369 trivial. 0 not checked. [2021-11-13 01:46:49,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:46:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1369 trivial. 0 not checked. [2021-11-13 01:46:51,263 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:46:51,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860911145] [2021-11-13 01:46:51,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860911145] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:46:51,263 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:46:51,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-13 01:46:51,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932627789] [2021-11-13 01:46:51,264 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:46:51,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:46:51,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:46:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:46:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:46:51,266 INFO L87 Difference]: Start difference. First operand 9541 states and 12682 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2021-11-13 01:46:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:46:53,498 INFO L93 Difference]: Finished difference Result 14036 states and 18695 transitions. [2021-11-13 01:46:53,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:46:53,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) Word has length 391 [2021-11-13 01:46:53,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:46:53,550 INFO L225 Difference]: With dead ends: 14036 [2021-11-13 01:46:53,550 INFO L226 Difference]: Without dead ends: 14034 [2021-11-13 01:46:53,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:46:53,555 INFO L933 BasicCegarLoop]: 2058 mSDtfsCounter, 1606 mSDsluCounter, 7057 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 9115 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.39ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:46:53,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1608 Valid, 9115 Invalid, 24 Unknown, 0 Unchecked, 16.39ms Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 52.95ms Time] [2021-11-13 01:46:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14034 states. [2021-11-13 01:46:55,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14034 to 13911. [2021-11-13 01:46:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13911 states, 9179 states have (on average 1.2053600610088244) internal successors, (11064), 9498 states have internal predecessors, (11064), 3684 states have call successors, (3684), 1056 states have call predecessors, (3684), 1039 states have return successors, (3796), 3576 states have call predecessors, (3796), 3678 states have call successors, (3796) [2021-11-13 01:46:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13911 states to 13911 states and 18544 transitions. [2021-11-13 01:46:55,736 INFO L78 Accepts]: Start accepts. Automaton has 13911 states and 18544 transitions. Word has length 391 [2021-11-13 01:46:55,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:46:55,737 INFO L470 AbstractCegarLoop]: Abstraction has 13911 states and 18544 transitions. [2021-11-13 01:46:55,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 5 states have internal predecessors, (168), 2 states have call successors, (93), 4 states have call predecessors, (93), 2 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2021-11-13 01:46:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 13911 states and 18544 transitions. [2021-11-13 01:46:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-13 01:46:55,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:46:55,745 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:46:55,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-13 01:46:55,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:46:55,960 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:46:55,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:46:55,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1519173147, now seen corresponding path program 1 times [2021-11-13 01:46:55,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:46:55,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277277605] [2021-11-13 01:46:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:46:55,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:46:55,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:46:55,968 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:46:55,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-13 01:47:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:47:03,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 2761 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:47:03,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:47:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-13 01:47:04,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:47:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-13 01:47:05,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:47:05,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277277605] [2021-11-13 01:47:05,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277277605] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:47:05,756 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:47:05,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 01:47:05,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613533926] [2021-11-13 01:47:05,757 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:47:05,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:47:05,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:47:05,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:47:05,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:47:05,759 INFO L87 Difference]: Start difference. First operand 13911 states and 18544 transitions. Second operand has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-13 01:47:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:47:09,675 INFO L93 Difference]: Finished difference Result 28716 states and 38452 transitions. [2021-11-13 01:47:09,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:47:09,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 413 [2021-11-13 01:47:09,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:47:09,720 INFO L225 Difference]: With dead ends: 28716 [2021-11-13 01:47:09,720 INFO L226 Difference]: Without dead ends: 14863 [2021-11-13 01:47:09,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:47:09,757 INFO L933 BasicCegarLoop]: 2393 mSDtfsCounter, 829 mSDsluCounter, 6441 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 962.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 8834 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.74ms SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1133.86ms IncrementalHoareTripleChecker+Time [2021-11-13 01:47:09,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 8834 Invalid, 435 Unknown, 0 Unchecked, 17.74ms Time], IncrementalHoareTripleChecker [317 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1133.86ms Time] [2021-11-13 01:47:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14863 states. [2021-11-13 01:47:12,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14863 to 13913. [2021-11-13 01:47:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13913 states, 9181 states have (on average 1.2053153251279818) internal successors, (11066), 9500 states have internal predecessors, (11066), 3684 states have call successors, (3684), 1056 states have call predecessors, (3684), 1039 states have return successors, (3796), 3576 states have call predecessors, (3796), 3678 states have call successors, (3796) [2021-11-13 01:47:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13913 states to 13913 states and 18546 transitions. [2021-11-13 01:47:12,296 INFO L78 Accepts]: Start accepts. Automaton has 13913 states and 18546 transitions. Word has length 413 [2021-11-13 01:47:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:47:12,297 INFO L470 AbstractCegarLoop]: Abstraction has 13913 states and 18546 transitions. [2021-11-13 01:47:12,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-13 01:47:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 13913 states and 18546 transitions. [2021-11-13 01:47:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-13 01:47:12,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:47:12,306 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:47:12,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-11-13 01:47:12,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:47:12,516 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:47:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:47:12,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1566771114, now seen corresponding path program 1 times [2021-11-13 01:47:12,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:47:12,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442998251] [2021-11-13 01:47:12,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:47:12,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:47:12,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:47:12,583 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:47:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-13 01:47:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:47:20,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2792 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:47:20,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:47:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-13 01:47:21,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:47:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-13 01:47:23,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:47:23,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442998251] [2021-11-13 01:47:23,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442998251] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:47:23,253 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:47:23,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-13 01:47:23,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204789561] [2021-11-13 01:47:23,254 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:47:23,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:47:23,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:47:23,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:47:23,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:47:23,256 INFO L87 Difference]: Start difference. First operand 13913 states and 18546 transitions. Second operand has 8 states, 6 states have (on average 34.333333333333336) internal successors, (206), 7 states have internal predecessors, (206), 4 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (74), 3 states have call predecessors, (74), 4 states have call successors, (74) [2021-11-13 01:47:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:47:26,416 INFO L93 Difference]: Finished difference Result 28244 states and 37733 transitions. [2021-11-13 01:47:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:47:26,417 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 34.333333333333336) internal successors, (206), 7 states have internal predecessors, (206), 4 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (74), 3 states have call predecessors, (74), 4 states have call successors, (74) Word has length 425 [2021-11-13 01:47:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:47:26,479 INFO L225 Difference]: With dead ends: 28244 [2021-11-13 01:47:26,480 INFO L226 Difference]: Without dead ends: 14388 [2021-11-13 01:47:26,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 842 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:47:26,522 INFO L933 BasicCegarLoop]: 2288 mSDtfsCounter, 486 mSDsluCounter, 10702 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 12990 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 133.04ms IncrementalHoareTripleChecker+Time [2021-11-13 01:47:26,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [729 Valid, 12990 Invalid, 44 Unknown, 0 Unchecked, 23.16ms Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 12 Unchecked, 133.04ms Time] [2021-11-13 01:47:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14388 states. [2021-11-13 01:47:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14388 to 13913. [2021-11-13 01:47:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13913 states, 9181 states have (on average 1.2052064045310968) internal successors, (11065), 9500 states have internal predecessors, (11065), 3684 states have call successors, (3684), 1056 states have call predecessors, (3684), 1039 states have return successors, (3796), 3576 states have call predecessors, (3796), 3678 states have call successors, (3796) [2021-11-13 01:47:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13913 states to 13913 states and 18545 transitions. [2021-11-13 01:47:29,391 INFO L78 Accepts]: Start accepts. Automaton has 13913 states and 18545 transitions. Word has length 425 [2021-11-13 01:47:29,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:47:29,391 INFO L470 AbstractCegarLoop]: Abstraction has 13913 states and 18545 transitions. [2021-11-13 01:47:29,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 34.333333333333336) internal successors, (206), 7 states have internal predecessors, (206), 4 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (74), 3 states have call predecessors, (74), 4 states have call successors, (74) [2021-11-13 01:47:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 13913 states and 18545 transitions. [2021-11-13 01:47:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-13 01:47:29,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:47:29,397 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:47:29,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-13 01:47:29,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:47:29,598 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:47:29,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:47:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash 190856024, now seen corresponding path program 1 times [2021-11-13 01:47:29,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:47:29,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063583717] [2021-11-13 01:47:29,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:47:29,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:47:29,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:47:29,603 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:47:29,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-13 01:47:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:47:36,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 2792 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:47:36,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:47:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2021-11-13 01:47:37,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:47:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-13 01:47:38,908 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:47:38,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063583717] [2021-11-13 01:47:38,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063583717] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:47:38,908 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:47:38,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 01:47:38,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679430651] [2021-11-13 01:47:38,909 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:47:38,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:47:38,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:47:38,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:47:38,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:47:38,911 INFO L87 Difference]: Start difference. First operand 13913 states and 18545 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-13 01:47:42,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:47:42,729 INFO L93 Difference]: Finished difference Result 28699 states and 38426 transitions. [2021-11-13 01:47:42,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:47:42,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 425 [2021-11-13 01:47:42,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:47:42,946 INFO L225 Difference]: With dead ends: 28699 [2021-11-13 01:47:42,947 INFO L226 Difference]: Without dead ends: 14866 [2021-11-13 01:47:42,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:47:42,983 INFO L933 BasicCegarLoop]: 2531 mSDtfsCounter, 739 mSDsluCounter, 6694 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 308.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 9225 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.34ms SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 382.04ms IncrementalHoareTripleChecker+Time [2021-11-13 01:47:42,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [843 Valid, 9225 Invalid, 327 Unknown, 0 Unchecked, 17.34ms Time], IncrementalHoareTripleChecker [314 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 382.04ms Time] [2021-11-13 01:47:42,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14866 states. [2021-11-13 01:47:45,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14866 to 13916. [2021-11-13 01:47:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13916 states, 9184 states have (on average 1.2051393728222997) internal successors, (11068), 9503 states have internal predecessors, (11068), 3684 states have call successors, (3684), 1056 states have call predecessors, (3684), 1039 states have return successors, (3796), 3576 states have call predecessors, (3796), 3678 states have call successors, (3796) [2021-11-13 01:47:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13916 states to 13916 states and 18548 transitions. [2021-11-13 01:47:45,863 INFO L78 Accepts]: Start accepts. Automaton has 13916 states and 18548 transitions. Word has length 425 [2021-11-13 01:47:45,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:47:45,863 INFO L470 AbstractCegarLoop]: Abstraction has 13916 states and 18548 transitions. [2021-11-13 01:47:45,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-13 01:47:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 13916 states and 18548 transitions. [2021-11-13 01:47:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-11-13 01:47:45,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:47:45,868 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:47:45,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-13 01:47:46,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:47:46,069 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:47:46,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:47:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1888576129, now seen corresponding path program 1 times [2021-11-13 01:47:46,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:47:46,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724088289] [2021-11-13 01:47:46,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:47:46,074 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:47:46,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:47:46,075 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:47:46,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-13 01:47:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:47:54,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:47:54,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:47:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2021-11-13 01:47:55,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:47:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-13 01:47:56,251 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:47:56,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724088289] [2021-11-13 01:47:56,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724088289] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:47:56,251 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:47:56,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 01:47:56,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209263977] [2021-11-13 01:47:56,252 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:47:56,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:47:56,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:47:56,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:47:56,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:47:56,253 INFO L87 Difference]: Start difference. First operand 13916 states and 18548 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2021-11-13 01:48:00,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:00,189 INFO L93 Difference]: Finished difference Result 28688 states and 38410 transitions. [2021-11-13 01:48:00,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:48:00,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 427 [2021-11-13 01:48:00,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:00,230 INFO L225 Difference]: With dead ends: 28688 [2021-11-13 01:48:00,230 INFO L226 Difference]: Without dead ends: 14869 [2021-11-13 01:48:00,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 849 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:48:00,260 INFO L933 BasicCegarLoop]: 2499 mSDtfsCounter, 763 mSDsluCounter, 6670 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 309.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 9169 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.18ms SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 392.89ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:00,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [867 Valid, 9169 Invalid, 327 Unknown, 0 Unchecked, 17.18ms Time], IncrementalHoareTripleChecker [314 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 392.89ms Time] [2021-11-13 01:48:00,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14869 states. [2021-11-13 01:48:02,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14869 to 13919. [2021-11-13 01:48:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13919 states, 9187 states have (on average 1.2050723848916949) internal successors, (11071), 9506 states have internal predecessors, (11071), 3684 states have call successors, (3684), 1056 states have call predecessors, (3684), 1039 states have return successors, (3796), 3576 states have call predecessors, (3796), 3678 states have call successors, (3796) [2021-11-13 01:48:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13919 states to 13919 states and 18551 transitions. [2021-11-13 01:48:02,840 INFO L78 Accepts]: Start accepts. Automaton has 13919 states and 18551 transitions. Word has length 427 [2021-11-13 01:48:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:02,841 INFO L470 AbstractCegarLoop]: Abstraction has 13919 states and 18551 transitions. [2021-11-13 01:48:02,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2021-11-13 01:48:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 13919 states and 18551 transitions. [2021-11-13 01:48:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-13 01:48:02,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:02,848 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:02,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:03,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:03,049 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:48:03,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:03,050 INFO L85 PathProgramCache]: Analyzing trace with hash -828242408, now seen corresponding path program 1 times [2021-11-13 01:48:03,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:03,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011468235] [2021-11-13 01:48:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:03,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:03,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:03,055 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:03,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-13 01:48:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:12,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 2806 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 01:48:12,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2021-11-13 01:48:13,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2021-11-13 01:48:14,354 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:48:14,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011468235] [2021-11-13 01:48:14,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011468235] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:48:14,355 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:48:14,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 01:48:14,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864588905] [2021-11-13 01:48:14,355 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:48:14,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:48:14,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:48:14,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:48:14,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:48:14,357 INFO L87 Difference]: Start difference. First operand 13919 states and 18551 transitions. Second operand has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 01:48:20,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:20,252 INFO L93 Difference]: Finished difference Result 31159 states and 42571 transitions. [2021-11-13 01:48:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:48:20,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 429 [2021-11-13 01:48:20,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:20,314 INFO L225 Difference]: With dead ends: 31159 [2021-11-13 01:48:20,314 INFO L226 Difference]: Without dead ends: 19263 [2021-11-13 01:48:20,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:48:20,345 INFO L933 BasicCegarLoop]: 2845 mSDtfsCounter, 955 mSDsluCounter, 6858 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1101.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 9703 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.12ms SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1287.21ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:20,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1104 Valid, 9703 Invalid, 631 Unknown, 0 Unchecked, 21.12ms Time], IncrementalHoareTripleChecker [433 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 1287.21ms Time] [2021-11-13 01:48:20,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19263 states. [2021-11-13 01:48:23,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19263 to 13923. [2021-11-13 01:48:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13923 states, 9191 states have (on average 1.204983135676205) internal successors, (11075), 9510 states have internal predecessors, (11075), 3684 states have call successors, (3684), 1056 states have call predecessors, (3684), 1039 states have return successors, (3796), 3576 states have call predecessors, (3796), 3678 states have call successors, (3796) [2021-11-13 01:48:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13923 states to 13923 states and 18555 transitions. [2021-11-13 01:48:23,186 INFO L78 Accepts]: Start accepts. Automaton has 13923 states and 18555 transitions. Word has length 429 [2021-11-13 01:48:23,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:23,186 INFO L470 AbstractCegarLoop]: Abstraction has 13923 states and 18555 transitions. [2021-11-13 01:48:23,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 01:48:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 13923 states and 18555 transitions. [2021-11-13 01:48:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-13 01:48:23,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:23,197 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 24, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:23,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:23,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:23,412 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:48:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1608247858, now seen corresponding path program 1 times [2021-11-13 01:48:23,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:23,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224315759] [2021-11-13 01:48:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:23,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:23,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:23,421 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:23,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-13 01:48:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:31,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 2921 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:48:31,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2021-11-13 01:48:32,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1664 trivial. 0 not checked. [2021-11-13 01:48:33,388 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:48:33,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224315759] [2021-11-13 01:48:33,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224315759] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:48:33,389 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:48:33,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-13 01:48:33,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927195758] [2021-11-13 01:48:33,389 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:48:33,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:48:33,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:48:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:48:33,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-13 01:48:33,392 INFO L87 Difference]: Start difference. First operand 13923 states and 18555 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 8 states have internal predecessors, (175), 6 states have call successors, (64), 4 states have call predecessors, (64), 2 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2021-11-13 01:48:38,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:38,276 INFO L93 Difference]: Finished difference Result 25556 states and 34470 transitions. [2021-11-13 01:48:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 01:48:38,277 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 8 states have internal predecessors, (175), 6 states have call successors, (64), 4 states have call predecessors, (64), 2 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) Word has length 476 [2021-11-13 01:48:38,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:38,326 INFO L225 Difference]: With dead ends: 25556 [2021-11-13 01:48:38,326 INFO L226 Difference]: Without dead ends: 16035 [2021-11-13 01:48:38,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:48:38,354 INFO L933 BasicCegarLoop]: 2039 mSDtfsCounter, 543 mSDsluCounter, 11741 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1630.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 13780 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.08ms SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1780.85ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:38,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [547 Valid, 13780 Invalid, 277 Unknown, 0 Unchecked, 19.08ms Time], IncrementalHoareTripleChecker [106 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1780.85ms Time] [2021-11-13 01:48:38,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16035 states. [2021-11-13 01:48:41,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16035 to 15219. [2021-11-13 01:48:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15219 states, 10231 states have (on average 1.2224611474929137) internal successors, (12507), 10550 states have internal predecessors, (12507), 3916 states have call successors, (3916), 1080 states have call predecessors, (3916), 1063 states have return successors, (4028), 3808 states have call predecessors, (4028), 3910 states have call successors, (4028) [2021-11-13 01:48:41,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15219 states to 15219 states and 20451 transitions. [2021-11-13 01:48:41,176 INFO L78 Accepts]: Start accepts. Automaton has 15219 states and 20451 transitions. Word has length 476 [2021-11-13 01:48:41,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:41,177 INFO L470 AbstractCegarLoop]: Abstraction has 15219 states and 20451 transitions. [2021-11-13 01:48:41,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 8 states have internal predecessors, (175), 6 states have call successors, (64), 4 states have call predecessors, (64), 2 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2021-11-13 01:48:41,178 INFO L276 IsEmpty]: Start isEmpty. Operand 15219 states and 20451 transitions. [2021-11-13 01:48:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-13 01:48:41,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:41,186 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:41,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:41,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:41,412 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:48:41,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:41,412 INFO L85 PathProgramCache]: Analyzing trace with hash -606492492, now seen corresponding path program 1 times [2021-11-13 01:48:41,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:41,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125811223] [2021-11-13 01:48:41,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:41,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:41,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:41,417 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:41,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-13 01:48:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:48,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:48:48,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-13 01:48:49,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-13 01:48:50,094 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:48:50,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125811223] [2021-11-13 01:48:50,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125811223] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:48:50,095 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:48:50,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 01:48:50,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640033509] [2021-11-13 01:48:50,096 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:48:50,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:48:50,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:48:50,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:48:50,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:48:50,097 INFO L87 Difference]: Start difference. First operand 15219 states and 20451 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 2 states have call predecessors, (53), 1 states have call successors, (53) [2021-11-13 01:48:53,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:53,016 INFO L93 Difference]: Finished difference Result 31433 states and 43020 transitions. [2021-11-13 01:48:53,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:48:53,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 2 states have call predecessors, (53), 1 states have call successors, (53) Word has length 449 [2021-11-13 01:48:53,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:53,081 INFO L225 Difference]: With dead ends: 31433 [2021-11-13 01:48:53,081 INFO L226 Difference]: Without dead ends: 16971 [2021-11-13 01:48:53,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:48:53,114 INFO L933 BasicCegarLoop]: 1943 mSDtfsCounter, 41 mSDsluCounter, 5773 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 7716 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.60ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.96ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:53,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 7716 Invalid, 20 Unknown, 0 Unchecked, 9.60ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 127.96ms Time] [2021-11-13 01:48:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16971 states. [2021-11-13 01:48:55,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16971 to 15347. [2021-11-13 01:48:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15347 states, 10343 states have (on average 1.2200522092236294) internal successors, (12619), 10630 states have internal predecessors, (12619), 3916 states have call successors, (3916), 1080 states have call predecessors, (3916), 1079 states have return successors, (4156), 3856 states have call predecessors, (4156), 3910 states have call successors, (4156) [2021-11-13 01:48:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15347 states to 15347 states and 20691 transitions. [2021-11-13 01:48:55,982 INFO L78 Accepts]: Start accepts. Automaton has 15347 states and 20691 transitions. Word has length 449 [2021-11-13 01:48:55,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:55,984 INFO L470 AbstractCegarLoop]: Abstraction has 15347 states and 20691 transitions. [2021-11-13 01:48:55,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 2 states have call predecessors, (53), 1 states have call successors, (53) [2021-11-13 01:48:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 15347 states and 20691 transitions. [2021-11-13 01:48:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-13 01:48:55,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:55,992 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:56,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:56,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:48:56,208 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:48:56,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:56,209 INFO L85 PathProgramCache]: Analyzing trace with hash -772171605, now seen corresponding path program 1 times [2021-11-13 01:48:56,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:48:56,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073811761] [2021-11-13 01:48:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:56,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:48:56,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:48:56,215 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:48:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-13 01:49:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:49:03,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:49:03,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:49:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-13 01:49:03,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:49:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-13 01:49:05,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:49:05,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073811761] [2021-11-13 01:49:05,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073811761] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:49:05,218 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:49:05,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-13 01:49:05,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387472707] [2021-11-13 01:49:05,219 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:49:05,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:49:05,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:49:05,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:49:05,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:49:05,222 INFO L87 Difference]: Start difference. First operand 15347 states and 20691 transitions. Second operand has 8 states, 6 states have (on average 27.0) internal successors, (162), 7 states have internal predecessors, (162), 4 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-13 01:49:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:49:08,303 INFO L93 Difference]: Finished difference Result 29937 states and 40788 transitions. [2021-11-13 01:49:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:49:08,304 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 27.0) internal successors, (162), 7 states have internal predecessors, (162), 4 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 456 [2021-11-13 01:49:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:49:08,347 INFO L225 Difference]: With dead ends: 29937 [2021-11-13 01:49:08,347 INFO L226 Difference]: Without dead ends: 15347 [2021-11-13 01:49:08,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 911 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:49:08,382 INFO L933 BasicCegarLoop]: 1875 mSDtfsCounter, 3 mSDsluCounter, 9363 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11238 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 98.53ms IncrementalHoareTripleChecker+Time [2021-11-13 01:49:08,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 11238 Invalid, 43 Unknown, 0 Unchecked, 16.30ms Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 12 Unchecked, 98.53ms Time] [2021-11-13 01:49:08,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15347 states. [2021-11-13 01:49:10,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15347 to 15347. [2021-11-13 01:49:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15347 states, 10343 states have (on average 1.2185052692642366) internal successors, (12603), 10630 states have internal predecessors, (12603), 3916 states have call successors, (3916), 1080 states have call predecessors, (3916), 1079 states have return successors, (4156), 3856 states have call predecessors, (4156), 3910 states have call successors, (4156) [2021-11-13 01:49:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15347 states to 15347 states and 20675 transitions. [2021-11-13 01:49:10,953 INFO L78 Accepts]: Start accepts. Automaton has 15347 states and 20675 transitions. Word has length 456 [2021-11-13 01:49:10,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:49:10,954 INFO L470 AbstractCegarLoop]: Abstraction has 15347 states and 20675 transitions. [2021-11-13 01:49:10,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 27.0) internal successors, (162), 7 states have internal predecessors, (162), 4 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-13 01:49:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 15347 states and 20675 transitions. [2021-11-13 01:49:10,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-13 01:49:10,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:49:10,962 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:49:11,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2021-11-13 01:49:11,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:49:11,176 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-13 01:49:11,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:49:11,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1783288855, now seen corresponding path program 1 times [2021-11-13 01:49:11,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:49:11,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787287821] [2021-11-13 01:49:11,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:49:11,180 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:49:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:49:11,181 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:49:11,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1037619c-4e56-4263-a90c-d129dc5f3319/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-13 01:49:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:49:18,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 01:49:18,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:49:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-13 01:49:19,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:49:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-13 01:49:20,277 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:49:20,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787287821] [2021-11-13 01:49:20,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787287821] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:49:20,277 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:49:20,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-13 01:49:20,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857647114] [2021-11-13 01:49:20,278 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:49:20,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:49:20,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:49:20,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:49:20,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:49:20,280 INFO L87 Difference]: Start difference. First operand 15347 states and 20675 transitions. Second operand has 14 states, 14 states have (on average 12.0) internal successors, (168), 12 states have internal predecessors, (168), 4 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (56), 5 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-13 01:49:23,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:49:23,452 INFO L93 Difference]: Finished difference Result 30337 states and 41348 transitions. [2021-11-13 01:49:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:49:23,452 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.0) internal successors, (168), 12 states have internal predecessors, (168), 4 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (56), 5 states have call predecessors, (56), 3 states have call successors, (56) Word has length 456 [2021-11-13 01:49:23,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:49:23,500 INFO L225 Difference]: With dead ends: 30337 [2021-11-13 01:49:23,500 INFO L226 Difference]: Without dead ends: 15747 [2021-11-13 01:49:23,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 915 GetRequests, 898 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:49:23,537 INFO L933 BasicCegarLoop]: 1888 mSDtfsCounter, 21 mSDsluCounter, 15073 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 316.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 16961 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.43ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 351.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:49:23,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 16961 Invalid, 77 Unknown, 0 Unchecked, 17.43ms Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 351.30ms Time] [2021-11-13 01:49:23,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15747 states.