./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--usb--misc--iowarrior.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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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 e43d327fd5285ee9795a48a69e4937bd1e92d15521fc1385d692744b7cf677e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:33:21,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:33:21,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:33:21,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:33:21,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:33:21,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:33:21,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:33:21,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:33:21,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:33:21,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:33:21,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:33:21,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:33:21,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:33:21,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:33:21,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:33:21,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:33:21,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:33:21,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:33:21,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:33:21,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:33:21,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:33:21,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:33:21,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:33:21,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:33:21,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:33:21,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:33:21,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:33:21,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:33:21,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:33:21,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:33:21,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:33:21,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:33:21,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:33:21,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:33:21,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:33:21,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:33:21,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:33:21,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:33:21,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:33:21,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:33:21,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:33:21,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:33:21,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:33:21,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:33:21,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:33:21,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:33:21,610 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:33:21,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:33:21,610 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:33:21,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:33:21,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:33:21,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:33:21,617 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:33:21,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:33:21,618 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:33:21,618 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:33:21,618 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:33:21,619 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:33:21,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:33:21,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:33:21,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:33:21,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:33:21,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:33:21,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:33:21,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:33:21,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:33:21,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:33:21,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:33:21,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:33:21,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:33:21,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:33:21,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:33:21,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:33:21,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:33:21,624 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:33:21,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:33:21,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:33:21,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:33:21,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:33:21,625 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e43d327fd5285ee9795a48a69e4937bd1e92d15521fc1385d692744b7cf677e0 [2021-11-12 23:33:21,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:33:21,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:33:21,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:33:21,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:33:21,911 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:33:21,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-11-12 23:33:21,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/499785d3a/fee586631ba444deb5a95c69b22f6dd4/FLAG4d19e9d4b [2021-11-12 23:33:22,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:33:22,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-11-12 23:33:22,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/499785d3a/fee586631ba444deb5a95c69b22f6dd4/FLAG4d19e9d4b [2021-11-12 23:33:23,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/499785d3a/fee586631ba444deb5a95c69b22f6dd4 [2021-11-12 23:33:23,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:33:23,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:33:23,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:23,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:33:23,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:33:23,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:23" (1/1) ... [2021-11-12 23:33:23,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396da3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:23, skipping insertion in model container [2021-11-12 23:33:23,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:23" (1/1) ... [2021-11-12 23:33:23,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:33:23,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:33:24,783 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,796 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,814 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,827 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,906 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,913 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,921 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,934 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:24,950 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,043 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,044 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,045 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,049 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,052 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,055 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,058 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,061 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,066 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,074 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,079 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,083 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,083 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,322 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,327 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,732 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:25,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:26,212 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281249,281262] [2021-11-12 23:33:26,217 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281394,281407] [2021-11-12 23:33:26,217 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281540,281553] [2021-11-12 23:33:26,218 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281705,281718] [2021-11-12 23:33:26,225 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281863,281876] [2021-11-12 23:33:26,226 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282021,282034] [2021-11-12 23:33:26,227 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282179,282192] [2021-11-12 23:33:26,227 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282339,282352] [2021-11-12 23:33:26,233 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282498,282511] [2021-11-12 23:33:26,234 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282637,282650] [2021-11-12 23:33:26,235 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282779,282792] [2021-11-12 23:33:26,235 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282928,282941] [2021-11-12 23:33:26,236 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283067,283080] [2021-11-12 23:33:26,236 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283222,283235] [2021-11-12 23:33:26,237 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283382,283395] [2021-11-12 23:33:26,237 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283533,283546] [2021-11-12 23:33:26,238 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283684,283697] [2021-11-12 23:33:26,238 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283836,283849] [2021-11-12 23:33:26,239 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283985,283998] [2021-11-12 23:33:26,239 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284133,284146] [2021-11-12 23:33:26,240 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284290,284303] [2021-11-12 23:33:26,240 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284439,284452] [2021-11-12 23:33:26,241 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284595,284608] [2021-11-12 23:33:26,241 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284748,284761] [2021-11-12 23:33:26,241 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284894,284907] [2021-11-12 23:33:26,242 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285037,285050] [2021-11-12 23:33:26,242 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285189,285202] [2021-11-12 23:33:26,243 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285335,285348] [2021-11-12 23:33:26,243 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285480,285493] [2021-11-12 23:33:26,244 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285634,285647] [2021-11-12 23:33:26,244 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285785,285798] [2021-11-12 23:33:26,245 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285940,285953] [2021-11-12 23:33:26,245 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286092,286105] [2021-11-12 23:33:26,246 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286247,286260] [2021-11-12 23:33:26,246 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286411,286424] [2021-11-12 23:33:26,247 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286567,286580] [2021-11-12 23:33:26,247 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286731,286744] [2021-11-12 23:33:26,248 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286873,286886] [2021-11-12 23:33:26,248 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287031,287044] [2021-11-12 23:33:26,248 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287198,287211] [2021-11-12 23:33:26,249 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287357,287370] [2021-11-12 23:33:26,249 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287516,287529] [2021-11-12 23:33:26,250 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287665,287678] [2021-11-12 23:33:26,250 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287812,287825] [2021-11-12 23:33:26,251 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287951,287964] [2021-11-12 23:33:26,251 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288114,288127] [2021-11-12 23:33:26,252 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288280,288293] [2021-11-12 23:33:26,252 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288444,288457] [2021-11-12 23:33:26,253 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288609,288622] [2021-11-12 23:33:26,253 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288774,288787] [2021-11-12 23:33:26,254 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288940,288953] [2021-11-12 23:33:26,254 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289105,289118] [2021-11-12 23:33:26,254 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289272,289285] [2021-11-12 23:33:26,255 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289432,289445] [2021-11-12 23:33:26,255 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289594,289607] [2021-11-12 23:33:26,256 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289753,289766] [2021-11-12 23:33:26,256 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289899,289912] [2021-11-12 23:33:26,257 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290042,290055] [2021-11-12 23:33:26,257 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290186,290199] [2021-11-12 23:33:26,258 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290329,290342] [2021-11-12 23:33:26,258 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290473,290486] [2021-11-12 23:33:26,259 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290614,290627] [2021-11-12 23:33:26,259 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290752,290765] [2021-11-12 23:33:26,260 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290910,290923] [2021-11-12 23:33:26,260 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291069,291082] [2021-11-12 23:33:26,261 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291225,291238] [2021-11-12 23:33:26,261 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291374,291387] [2021-11-12 23:33:26,262 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291526,291539] [2021-11-12 23:33:26,262 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291677,291690] [2021-11-12 23:33:26,263 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291826,291839] [2021-11-12 23:33:26,263 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291978,291991] [2021-11-12 23:33:26,264 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292126,292139] [2021-11-12 23:33:26,264 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292279,292292] [2021-11-12 23:33:26,264 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292430,292443] [2021-11-12 23:33:26,265 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292580,292593] [2021-11-12 23:33:26,265 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292727,292740] [2021-11-12 23:33:26,266 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292878,292891] [2021-11-12 23:33:26,266 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293029,293042] [2021-11-12 23:33:26,267 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293177,293190] [2021-11-12 23:33:26,267 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293343,293356] [2021-11-12 23:33:26,268 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293512,293525] [2021-11-12 23:33:26,268 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293679,293692] [2021-11-12 23:33:26,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293847,293860] [2021-11-12 23:33:26,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293997,294010] [2021-11-12 23:33:26,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294144,294157] [2021-11-12 23:33:26,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294305,294318] [2021-11-12 23:33:26,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294475,294488] [2021-11-12 23:33:26,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294637,294650] [2021-11-12 23:33:26,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:26,319 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) [2021-11-12 23:33:26,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ff0b8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:26, skipping insertion in model container [2021-11-12 23:33:26,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:26,321 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:33:26,327 INFO L158 Benchmark]: Toolchain (without parser) took 3012.36ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 83.0MB in the beginning and 93.3MB in the end (delta: -10.3MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2021-11-12 23:33:26,328 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory was 103.5MB in the beginning and 103.4MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:33:26,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3007.80ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 82.7MB in the beginning and 93.3MB in the end (delta: -10.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2021-11-12 23:33:26,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory was 103.5MB in the beginning and 103.4MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3007.80ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 82.7MB in the beginning and 93.3MB in the end (delta: -10.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4445]: 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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 e43d327fd5285ee9795a48a69e4937bd1e92d15521fc1385d692744b7cf677e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:33:28,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:33:28,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:33:28,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:33:28,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:33:28,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:33:28,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:33:28,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:33:28,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:33:28,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:33:28,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:33:28,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:33:28,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:33:28,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:33:28,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:33:28,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:33:28,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:33:28,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:33:28,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:33:28,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:33:28,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:33:28,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:33:28,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:33:28,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:33:28,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:33:28,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:33:28,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:33:28,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:33:28,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:33:28,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:33:28,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:33:28,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:33:28,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:33:28,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:33:28,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:33:28,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:33:28,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:33:28,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:33:28,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:33:28,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:33:28,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:33:28,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:33:28,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:33:28,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:33:28,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:33:28,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:33:28,657 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:33:28,657 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:33:28,657 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:33:28,658 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:33:28,658 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:33:28,659 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:33:28,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:33:28,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:33:28,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:33:28,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:33:28,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:33:28,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:33:28,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:33:28,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:33:28,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:33:28,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:33:28,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:33:28,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:33:28,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:33:28,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:33:28,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:33:28,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:33:28,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:33:28,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:33:28,665 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:33:28,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:28,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:33:28,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:33:28,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:33:28,666 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e43d327fd5285ee9795a48a69e4937bd1e92d15521fc1385d692744b7cf677e0 [2021-11-12 23:33:29,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:33:29,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:33:29,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:33:29,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:33:29,083 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:33:29,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-11-12 23:33:29,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/c5a099113/1cafcba8d54241e1be1139da339876c4/FLAG01e574a18 [2021-11-12 23:33:30,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:33:30,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-11-12 23:33:30,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/c5a099113/1cafcba8d54241e1be1139da339876c4/FLAG01e574a18 [2021-11-12 23:33:30,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/data/c5a099113/1cafcba8d54241e1be1139da339876c4 [2021-11-12 23:33:30,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:33:30,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:33:30,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:30,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:33:30,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:33:30,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:30" (1/1) ... [2021-11-12 23:33:30,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3543ebb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:30, skipping insertion in model container [2021-11-12 23:33:30,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:30" (1/1) ... [2021-11-12 23:33:30,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:33:30,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:33:33,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281249,281262] [2021-11-12 23:33:33,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281394,281407] [2021-11-12 23:33:33,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281540,281553] [2021-11-12 23:33:33,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281705,281718] [2021-11-12 23:33:33,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281863,281876] [2021-11-12 23:33:33,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282021,282034] [2021-11-12 23:33:33,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282179,282192] [2021-11-12 23:33:33,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282339,282352] [2021-11-12 23:33:33,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282498,282511] [2021-11-12 23:33:33,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282637,282650] [2021-11-12 23:33:33,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282779,282792] [2021-11-12 23:33:33,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282928,282941] [2021-11-12 23:33:33,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283067,283080] [2021-11-12 23:33:33,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283222,283235] [2021-11-12 23:33:33,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283382,283395] [2021-11-12 23:33:33,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283533,283546] [2021-11-12 23:33:33,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283684,283697] [2021-11-12 23:33:33,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283836,283849] [2021-11-12 23:33:33,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283985,283998] [2021-11-12 23:33:33,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284133,284146] [2021-11-12 23:33:33,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284290,284303] [2021-11-12 23:33:33,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284439,284452] [2021-11-12 23:33:33,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284595,284608] [2021-11-12 23:33:33,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284748,284761] [2021-11-12 23:33:33,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284894,284907] [2021-11-12 23:33:33,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285037,285050] [2021-11-12 23:33:33,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285189,285202] [2021-11-12 23:33:33,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285335,285348] [2021-11-12 23:33:33,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285480,285493] [2021-11-12 23:33:33,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285634,285647] [2021-11-12 23:33:33,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285785,285798] [2021-11-12 23:33:33,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285940,285953] [2021-11-12 23:33:33,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286092,286105] [2021-11-12 23:33:33,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286247,286260] [2021-11-12 23:33:33,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286411,286424] [2021-11-12 23:33:33,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286567,286580] [2021-11-12 23:33:33,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286731,286744] [2021-11-12 23:33:33,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286873,286886] [2021-11-12 23:33:33,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287031,287044] [2021-11-12 23:33:33,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287198,287211] [2021-11-12 23:33:33,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287357,287370] [2021-11-12 23:33:33,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287516,287529] [2021-11-12 23:33:33,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287665,287678] [2021-11-12 23:33:33,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287812,287825] [2021-11-12 23:33:33,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287951,287964] [2021-11-12 23:33:33,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288114,288127] [2021-11-12 23:33:33,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288280,288293] [2021-11-12 23:33:33,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288444,288457] [2021-11-12 23:33:33,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288609,288622] [2021-11-12 23:33:33,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288774,288787] [2021-11-12 23:33:33,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288940,288953] [2021-11-12 23:33:33,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289105,289118] [2021-11-12 23:33:33,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289272,289285] [2021-11-12 23:33:33,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289432,289445] [2021-11-12 23:33:33,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289594,289607] [2021-11-12 23:33:33,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289753,289766] [2021-11-12 23:33:33,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289899,289912] [2021-11-12 23:33:33,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290042,290055] [2021-11-12 23:33:33,480 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290186,290199] [2021-11-12 23:33:33,480 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290329,290342] [2021-11-12 23:33:33,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290473,290486] [2021-11-12 23:33:33,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290614,290627] [2021-11-12 23:33:33,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290752,290765] [2021-11-12 23:33:33,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290910,290923] [2021-11-12 23:33:33,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291069,291082] [2021-11-12 23:33:33,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291225,291238] [2021-11-12 23:33:33,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291374,291387] [2021-11-12 23:33:33,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291526,291539] [2021-11-12 23:33:33,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291677,291690] [2021-11-12 23:33:33,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291826,291839] [2021-11-12 23:33:33,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291978,291991] [2021-11-12 23:33:33,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292126,292139] [2021-11-12 23:33:33,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292279,292292] [2021-11-12 23:33:33,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292430,292443] [2021-11-12 23:33:33,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292580,292593] [2021-11-12 23:33:33,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292727,292740] [2021-11-12 23:33:33,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292878,292891] [2021-11-12 23:33:33,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293029,293042] [2021-11-12 23:33:33,490 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293177,293190] [2021-11-12 23:33:33,491 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293343,293356] [2021-11-12 23:33:33,491 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293512,293525] [2021-11-12 23:33:33,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293679,293692] [2021-11-12 23:33:33,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293847,293860] [2021-11-12 23:33:33,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293997,294010] [2021-11-12 23:33:33,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294144,294157] [2021-11-12 23:33:33,494 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294305,294318] [2021-11-12 23:33:33,494 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294475,294488] [2021-11-12 23:33:33,495 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294637,294650] [2021-11-12 23:33:33,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:33,538 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:33:33,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:33:33,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281249,281262] [2021-11-12 23:33:33,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281394,281407] [2021-11-12 23:33:33,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281540,281553] [2021-11-12 23:33:33,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281705,281718] [2021-11-12 23:33:33,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281863,281876] [2021-11-12 23:33:33,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282021,282034] [2021-11-12 23:33:33,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282179,282192] [2021-11-12 23:33:33,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282339,282352] [2021-11-12 23:33:33,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282498,282511] [2021-11-12 23:33:33,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282637,282650] [2021-11-12 23:33:33,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282779,282792] [2021-11-12 23:33:33,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282928,282941] [2021-11-12 23:33:33,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283067,283080] [2021-11-12 23:33:33,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283222,283235] [2021-11-12 23:33:33,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283382,283395] [2021-11-12 23:33:33,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283533,283546] [2021-11-12 23:33:33,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283684,283697] [2021-11-12 23:33:33,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283836,283849] [2021-11-12 23:33:33,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283985,283998] [2021-11-12 23:33:33,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284133,284146] [2021-11-12 23:33:33,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284290,284303] [2021-11-12 23:33:33,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284439,284452] [2021-11-12 23:33:33,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284595,284608] [2021-11-12 23:33:33,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284748,284761] [2021-11-12 23:33:33,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284894,284907] [2021-11-12 23:33:33,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285037,285050] [2021-11-12 23:33:33,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285189,285202] [2021-11-12 23:33:33,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285335,285348] [2021-11-12 23:33:33,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285480,285493] [2021-11-12 23:33:33,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285634,285647] [2021-11-12 23:33:33,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285785,285798] [2021-11-12 23:33:33,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285940,285953] [2021-11-12 23:33:33,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286092,286105] [2021-11-12 23:33:33,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286247,286260] [2021-11-12 23:33:33,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286411,286424] [2021-11-12 23:33:33,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286567,286580] [2021-11-12 23:33:33,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286731,286744] [2021-11-12 23:33:33,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286873,286886] [2021-11-12 23:33:33,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287031,287044] [2021-11-12 23:33:33,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287198,287211] [2021-11-12 23:33:33,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287357,287370] [2021-11-12 23:33:33,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287516,287529] [2021-11-12 23:33:33,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287665,287678] [2021-11-12 23:33:33,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287812,287825] [2021-11-12 23:33:33,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287951,287964] [2021-11-12 23:33:33,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288114,288127] [2021-11-12 23:33:33,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288280,288293] [2021-11-12 23:33:33,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288444,288457] [2021-11-12 23:33:33,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288609,288622] [2021-11-12 23:33:33,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288774,288787] [2021-11-12 23:33:33,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288940,288953] [2021-11-12 23:33:33,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289105,289118] [2021-11-12 23:33:33,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289272,289285] [2021-11-12 23:33:33,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289432,289445] [2021-11-12 23:33:33,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289594,289607] [2021-11-12 23:33:33,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289753,289766] [2021-11-12 23:33:33,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289899,289912] [2021-11-12 23:33:33,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290042,290055] [2021-11-12 23:33:33,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290186,290199] [2021-11-12 23:33:33,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290329,290342] [2021-11-12 23:33:33,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290473,290486] [2021-11-12 23:33:33,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290614,290627] [2021-11-12 23:33:33,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290752,290765] [2021-11-12 23:33:33,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290910,290923] [2021-11-12 23:33:33,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291069,291082] [2021-11-12 23:33:33,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291225,291238] [2021-11-12 23:33:33,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291374,291387] [2021-11-12 23:33:33,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291526,291539] [2021-11-12 23:33:33,938 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291677,291690] [2021-11-12 23:33:33,943 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291826,291839] [2021-11-12 23:33:33,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291978,291991] [2021-11-12 23:33:33,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292126,292139] [2021-11-12 23:33:33,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292279,292292] [2021-11-12 23:33:33,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292430,292443] [2021-11-12 23:33:33,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292580,292593] [2021-11-12 23:33:33,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292727,292740] [2021-11-12 23:33:33,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292878,292891] [2021-11-12 23:33:33,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293029,293042] [2021-11-12 23:33:33,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293177,293190] [2021-11-12 23:33:33,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293343,293356] [2021-11-12 23:33:33,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293512,293525] [2021-11-12 23:33:33,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293679,293692] [2021-11-12 23:33:33,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293847,293860] [2021-11-12 23:33:33,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293997,294010] [2021-11-12 23:33:33,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294144,294157] [2021-11-12 23:33:33,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294305,294318] [2021-11-12 23:33:33,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294475,294488] [2021-11-12 23:33:33,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294637,294650] [2021-11-12 23:33:33,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:33,988 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:33:34,298 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_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281249,281262] [2021-11-12 23:33:34,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281394,281407] [2021-11-12 23:33:34,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281540,281553] [2021-11-12 23:33:34,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281705,281718] [2021-11-12 23:33:34,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281863,281876] [2021-11-12 23:33:34,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282021,282034] [2021-11-12 23:33:34,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282179,282192] [2021-11-12 23:33:34,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282339,282352] [2021-11-12 23:33:34,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282498,282511] [2021-11-12 23:33:34,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282637,282650] [2021-11-12 23:33:34,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282779,282792] [2021-11-12 23:33:34,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282928,282941] [2021-11-12 23:33:34,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283067,283080] [2021-11-12 23:33:34,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283222,283235] [2021-11-12 23:33:34,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283382,283395] [2021-11-12 23:33:34,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283533,283546] [2021-11-12 23:33:34,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283684,283697] [2021-11-12 23:33:34,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283836,283849] [2021-11-12 23:33:34,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283985,283998] [2021-11-12 23:33:34,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284133,284146] [2021-11-12 23:33:34,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284290,284303] [2021-11-12 23:33:34,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284439,284452] [2021-11-12 23:33:34,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284595,284608] [2021-11-12 23:33:34,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284748,284761] [2021-11-12 23:33:34,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284894,284907] [2021-11-12 23:33:34,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285037,285050] [2021-11-12 23:33:34,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285189,285202] [2021-11-12 23:33:34,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285335,285348] [2021-11-12 23:33:34,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285480,285493] [2021-11-12 23:33:34,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285634,285647] [2021-11-12 23:33:34,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285785,285798] [2021-11-12 23:33:34,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285940,285953] [2021-11-12 23:33:34,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286092,286105] [2021-11-12 23:33:34,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286247,286260] [2021-11-12 23:33:34,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286411,286424] [2021-11-12 23:33:34,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286567,286580] [2021-11-12 23:33:34,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286731,286744] [2021-11-12 23:33:34,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286873,286886] [2021-11-12 23:33:34,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287031,287044] [2021-11-12 23:33:34,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287198,287211] [2021-11-12 23:33:34,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287357,287370] [2021-11-12 23:33:34,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287516,287529] [2021-11-12 23:33:34,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287665,287678] [2021-11-12 23:33:34,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287812,287825] [2021-11-12 23:33:34,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287951,287964] [2021-11-12 23:33:34,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288114,288127] [2021-11-12 23:33:34,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288280,288293] [2021-11-12 23:33:34,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288444,288457] [2021-11-12 23:33:34,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288609,288622] [2021-11-12 23:33:34,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288774,288787] [2021-11-12 23:33:34,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288940,288953] [2021-11-12 23:33:34,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289105,289118] [2021-11-12 23:33:34,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289272,289285] [2021-11-12 23:33:34,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289432,289445] [2021-11-12 23:33:34,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289594,289607] [2021-11-12 23:33:34,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289753,289766] [2021-11-12 23:33:34,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289899,289912] [2021-11-12 23:33:34,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290042,290055] [2021-11-12 23:33:34,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290186,290199] [2021-11-12 23:33:34,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290329,290342] [2021-11-12 23:33:34,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290473,290486] [2021-11-12 23:33:34,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290614,290627] [2021-11-12 23:33:34,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290752,290765] [2021-11-12 23:33:34,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290910,290923] [2021-11-12 23:33:34,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291069,291082] [2021-11-12 23:33:34,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291225,291238] [2021-11-12 23:33:34,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291374,291387] [2021-11-12 23:33:34,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291526,291539] [2021-11-12 23:33:34,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291677,291690] [2021-11-12 23:33:34,334 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291826,291839] [2021-11-12 23:33:34,334 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291978,291991] [2021-11-12 23:33:34,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292126,292139] [2021-11-12 23:33:34,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292279,292292] [2021-11-12 23:33:34,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292430,292443] [2021-11-12 23:33:34,336 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292580,292593] [2021-11-12 23:33:34,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292727,292740] [2021-11-12 23:33:34,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292878,292891] [2021-11-12 23:33:34,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293029,293042] [2021-11-12 23:33:34,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293177,293190] [2021-11-12 23:33:34,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293343,293356] [2021-11-12 23:33:34,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293512,293525] [2021-11-12 23:33:34,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293679,293692] [2021-11-12 23:33:34,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293847,293860] [2021-11-12 23:33:34,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293997,294010] [2021-11-12 23:33:34,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294144,294157] [2021-11-12 23:33:34,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294305,294318] [2021-11-12 23:33:34,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294475,294488] [2021-11-12 23:33:34,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294637,294650] [2021-11-12 23:33:34,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:34,579 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:33:34,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34 WrapperNode [2021-11-12 23:33:34,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:34,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:33:34,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:33:34,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:33:34,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:33:34,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:33:34,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:33:34,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:33:34,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:34,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:35,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:35,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:33:35,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:33:35,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:33:35,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:33:35,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (1/1) ... [2021-11-12 23:33:35,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:33:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:33:35,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:33:35,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:33:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:33:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:33:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:33:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:33:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:33:35,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:33:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-12 23:33:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-12 23:33:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:33:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:33:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:33:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:33:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-12 23:33:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-12 23:33:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:33:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:33:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:33:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:33:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_mutex [2021-11-12 23:33:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_mutex [2021-11-12 23:33:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2021-11-12 23:33:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2021-11-12 23:33:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:33:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:33:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:33:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:33:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:33:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:33:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:33:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:33:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:33:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:33:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:33:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:33:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:33:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:33:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:33:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-12 23:33:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-12 23:33:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:33:35,159 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:33:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:33:35,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:33:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:33:35,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:33:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:33:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:33:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:33:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:33:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:33:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:33:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:33:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:33:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:33:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:33:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-12 23:33:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-12 23:33:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:33:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:33:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-12 23:33:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-12 23:33:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:33:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:33:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:33:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:33:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:33:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:33:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:33:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:33:35,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:33:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:33:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:33:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:33:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:33:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:33:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:33:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-12 23:33:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-12 23:33:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-12 23:33:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-12 23:33:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:33:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:33:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-12 23:33:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-12 23:33:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:33:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-12 23:33:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-12 23:33:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-12 23:33:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-12 23:33:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:33:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:33:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_iowarrior [2021-11-12 23:33:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_iowarrior [2021-11-12 23:33:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:33:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-12 23:33:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-12 23:33:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:33:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:33:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:33:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:33:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:33:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:33:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:33:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_disconnect [2021-11-12 23:33:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_disconnect [2021-11-12 23:33:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:33:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:33:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:33:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:33:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:33:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:33:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-12 23:33:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-12 23:33:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2021-11-12 23:33:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2021-11-12 23:33:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-12 23:33:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-12 23:33:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:33:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:33:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:33:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:33:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:33:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:33:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:33:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:33:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_mutex [2021-11-12 23:33:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_mutex [2021-11-12 23:33:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-11-12 23:33:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-11-12 23:33:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:33:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:33:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:33:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:33:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:33:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:33:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:33:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:33:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:33:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:33:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-12 23:33:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-12 23:33:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2021-11-12 23:33:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2021-11-12 23:33:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:33:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:33:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:33:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:33:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_open_disc_lock [2021-11-12 23:33:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_open_disc_lock [2021-11-12 23:33:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-12 23:33:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-12 23:33:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-12 23:33:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-12 23:33:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:33:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:33:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_iowarrior [2021-11-12 23:33:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_iowarrior [2021-11-12 23:33:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:33:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:33:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:33:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:33:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-12 23:33:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-12 23:33:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:33:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:33:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:33:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:33:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-12 23:33:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-12 23:33:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:33:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:33:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:33:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:33:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:33:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:33:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:33:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:33:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:33:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:33:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:33:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:33:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:33:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:33:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_open_disc_lock [2021-11-12 23:33:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_open_disc_lock [2021-11-12 23:33:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:33:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:33:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:33:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:33:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:33:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:33:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:33:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:33:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:33:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:33:36,087 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:33:51,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:33:51,655 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:33:51,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:33:51 BoogieIcfgContainer [2021-11-12 23:33:51,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:33:51,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:33:51,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:33:51,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:33:51,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:33:30" (1/3) ... [2021-11-12 23:33:51,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aefdf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:33:51, skipping insertion in model container [2021-11-12 23:33:51,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:34" (2/3) ... [2021-11-12 23:33:51,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aefdf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:33:51, skipping insertion in model container [2021-11-12 23:33:51,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:33:51" (3/3) ... [2021-11-12 23:33:51,666 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-11-12 23:33:51,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:33:51,672 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-12 23:33:51,727 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:33:51,733 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 [2021-11-12 23:33:51,733 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-12 23:33:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 1112 states, 716 states have (on average 1.2807262569832403) internal successors, (917), 764 states have internal predecessors, (917), 284 states have call successors, (284), 83 states have call predecessors, (284), 82 states have return successors, (279), 274 states have call predecessors, (279), 279 states have call successors, (279) [2021-11-12 23:33:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:33:51,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:51,786 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] [2021-11-12 23:33:51,786 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 27 more)] === [2021-11-12 23:33:51,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1180914757, now seen corresponding path program 1 times [2021-11-12 23:33:51,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:51,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947147242] [2021-11-12 23:33:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:51,809 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:51,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:51,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:33:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:53,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:33:53,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:33:53,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-12 23:33:53,967 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:53,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947147242] [2021-11-12 23:33:53,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947147242] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:33:53,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:33:53,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-11-12 23:33:53,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180632884] [2021-11-12 23:33:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:53,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:33:53,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:54,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:33:54,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:33:54,019 INFO L87 Difference]: Start difference. First operand has 1112 states, 716 states have (on average 1.2807262569832403) internal successors, (917), 764 states have internal predecessors, (917), 284 states have call successors, (284), 83 states have call predecessors, (284), 82 states have return successors, (279), 274 states have call predecessors, (279), 279 states have call successors, (279) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-12 23:33:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:55,656 INFO L93 Difference]: Finished difference Result 3207 states and 4760 transitions. [2021-11-12 23:33:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:33:55,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 71 [2021-11-12 23:33:55,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:55,691 INFO L225 Difference]: With dead ends: 3207 [2021-11-12 23:33:55,691 INFO L226 Difference]: Without dead ends: 2112 [2021-11-12 23:33:55,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:33:55,706 INFO L933 BasicCegarLoop]: 2584 mSDtfsCounter, 1302 mSDsluCounter, 8812 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1101.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 11396 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.39ms SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1257.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:55,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1516 Valid, 11396 Invalid, 680 Unknown, 0 Unchecked, 57.39ms Time], IncrementalHoareTripleChecker [434 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 1257.52ms Time] [2021-11-12 23:33:55,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2021-11-12 23:33:55,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 1100. [2021-11-12 23:33:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 710 states have (on average 1.2352112676056337) internal successors, (877), 754 states have internal predecessors, (877), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:33:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1435 transitions. [2021-11-12 23:33:55,873 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1435 transitions. Word has length 71 [2021-11-12 23:33:55,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:55,874 INFO L470 AbstractCegarLoop]: Abstraction has 1100 states and 1435 transitions. [2021-11-12 23:33:55,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-11-12 23:33:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1435 transitions. [2021-11-12 23:33:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:33:55,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:55,878 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] [2021-11-12 23:33:55,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:56,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:33:56,094 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 27 more)] === [2021-11-12 23:33:56,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:56,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1140240007, now seen corresponding path program 1 times [2021-11-12 23:33:56,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:56,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518484588] [2021-11-12 23:33:56,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:56,097 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:56,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:56,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:56,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:33:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:57,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:57,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:33:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:33:57,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:33:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:33:58,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:33:58,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518484588] [2021-11-12 23:33:58,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518484588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:33:58,140 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:33:58,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:33:58,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557896408] [2021-11-12 23:33:58,140 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:33:58,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:33:58,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:33:58,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:33:58,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:33:58,142 INFO L87 Difference]: Start difference. First operand 1100 states and 1435 transitions. 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) [2021-11-12 23:33:58,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:58,229 INFO L93 Difference]: Finished difference Result 1100 states and 1435 transitions. [2021-11-12 23:33:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:33:58,230 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 [2021-11-12 23:33:58,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:58,239 INFO L225 Difference]: With dead ends: 1100 [2021-11-12 23:33:58,239 INFO L226 Difference]: Without dead ends: 1098 [2021-11-12 23:33:58,240 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 [2021-11-12 23:33:58,241 INFO L933 BasicCegarLoop]: 1426 mSDtfsCounter, 1377 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:58,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1379 Valid, 2850 Invalid, 2 Unknown, 0 Unchecked, 11.23ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.05ms Time] [2021-11-12 23:33:58,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-11-12 23:33:58,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1098. [2021-11-12 23:33:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 709 states have (on average 1.2341325811001411) internal successors, (875), 752 states have internal predecessors, (875), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:33:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1433 transitions. [2021-11-12 23:33:58,305 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1433 transitions. Word has length 71 [2021-11-12 23:33:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:33:58,306 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1433 transitions. [2021-11-12 23:33:58,306 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) [2021-11-12 23:33:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1433 transitions. [2021-11-12 23:33:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-12 23:33:58,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:33:58,308 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] [2021-11-12 23:33:58,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:33:58,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:33:58,522 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 27 more)] === [2021-11-12 23:33:58,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:33:58,522 INFO L85 PathProgramCache]: Analyzing trace with hash 478141124, now seen corresponding path program 1 times [2021-11-12 23:33:58,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:33:58,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947303896] [2021-11-12 23:33:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:33:58,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:33:58,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:33:58,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:33:58,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:33:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:33:59,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:33:59,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:00,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:00,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:00,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947303896] [2021-11-12 23:34:00,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947303896] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:00,417 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:00,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:00,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835346455] [2021-11-12 23:34:00,418 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:00,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:00,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:00,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:00,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:00,419 INFO L87 Difference]: Start difference. First operand 1098 states and 1433 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) [2021-11-12 23:34:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:00,513 INFO L93 Difference]: Finished difference Result 1098 states and 1433 transitions. [2021-11-12 23:34:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:00,514 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 [2021-11-12 23:34:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:00,522 INFO L225 Difference]: With dead ends: 1098 [2021-11-12 23:34:00,522 INFO L226 Difference]: Without dead ends: 1096 [2021-11-12 23:34:00,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:00,524 INFO L933 BasicCegarLoop]: 1424 mSDtfsCounter, 1366 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:00,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1368 Valid, 4268 Invalid, 2 Unknown, 0 Unchecked, 13.26ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.93ms Time] [2021-11-12 23:34:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-11-12 23:34:00,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1096. [2021-11-12 23:34:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 708 states have (on average 1.2330508474576272) internal successors, (873), 750 states have internal predecessors, (873), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1431 transitions. [2021-11-12 23:34:00,589 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1431 transitions. Word has length 77 [2021-11-12 23:34:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:00,590 INFO L470 AbstractCegarLoop]: Abstraction has 1096 states and 1431 transitions. [2021-11-12 23:34:00,590 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) [2021-11-12 23:34:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1431 transitions. [2021-11-12 23:34:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-12 23:34:00,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:00,593 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] [2021-11-12 23:34:00,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:00,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:00,819 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 27 more)] === [2021-11-12 23:34:00,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash 752645049, now seen corresponding path program 1 times [2021-11-12 23:34:00,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:00,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602916003] [2021-11-12 23:34:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:00,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:00,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:00,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:34:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:01,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:01,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:02,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:02,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:02,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602916003] [2021-11-12 23:34:02,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602916003] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:02,754 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:02,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:02,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324988910] [2021-11-12 23:34:02,755 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:02,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:02,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:02,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:02,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:02,756 INFO L87 Difference]: Start difference. First operand 1096 states and 1431 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) [2021-11-12 23:34:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:02,858 INFO L93 Difference]: Finished difference Result 1096 states and 1431 transitions. [2021-11-12 23:34:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:02,858 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 [2021-11-12 23:34:02,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:02,867 INFO L225 Difference]: With dead ends: 1096 [2021-11-12 23:34:02,867 INFO L226 Difference]: Without dead ends: 1094 [2021-11-12 23:34:02,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:02,869 INFO L933 BasicCegarLoop]: 1422 mSDtfsCounter, 1358 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4262 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:02,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1360 Valid, 4262 Invalid, 2 Unknown, 0 Unchecked, 13.96ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.59ms Time] [2021-11-12 23:34:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2021-11-12 23:34:02,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2021-11-12 23:34:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 707 states have (on average 1.231966053748232) internal successors, (871), 748 states have internal predecessors, (871), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1429 transitions. [2021-11-12 23:34:02,958 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1429 transitions. Word has length 83 [2021-11-12 23:34:02,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:02,960 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1429 transitions. [2021-11-12 23:34:02,961 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) [2021-11-12 23:34:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1429 transitions. [2021-11-12 23:34:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-12 23:34:02,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:02,964 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] [2021-11-12 23:34:02,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:03,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:03,187 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 27 more)] === [2021-11-12 23:34:03,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:03,187 INFO L85 PathProgramCache]: Analyzing trace with hash -722619888, now seen corresponding path program 1 times [2021-11-12 23:34:03,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:03,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932580661] [2021-11-12 23:34:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:03,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:03,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:03,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:34:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:04,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:04,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:04,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:05,056 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:05,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932580661] [2021-11-12 23:34:05,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932580661] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:05,056 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:05,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:05,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446558352] [2021-11-12 23:34:05,057 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:05,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:05,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:05,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:05,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:05,058 INFO L87 Difference]: Start difference. First operand 1094 states and 1429 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) [2021-11-12 23:34:05,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:05,156 INFO L93 Difference]: Finished difference Result 1094 states and 1429 transitions. [2021-11-12 23:34:05,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:05,157 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 [2021-11-12 23:34:05,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:05,166 INFO L225 Difference]: With dead ends: 1094 [2021-11-12 23:34:05,166 INFO L226 Difference]: Without dead ends: 1092 [2021-11-12 23:34:05,167 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 [2021-11-12 23:34:05,167 INFO L933 BasicCegarLoop]: 1420 mSDtfsCounter, 1353 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.19ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:05,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1355 Valid, 2838 Invalid, 2 Unknown, 0 Unchecked, 9.29ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.19ms Time] [2021-11-12 23:34:05,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-11-12 23:34:05,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2021-11-12 23:34:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 706 states have (on average 1.2308781869688386) internal successors, (869), 746 states have internal predecessors, (869), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1427 transitions. [2021-11-12 23:34:05,297 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1427 transitions. Word has length 89 [2021-11-12 23:34:05,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:05,298 INFO L470 AbstractCegarLoop]: Abstraction has 1092 states and 1427 transitions. [2021-11-12 23:34:05,298 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) [2021-11-12 23:34:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1427 transitions. [2021-11-12 23:34:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-12 23:34:05,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:05,306 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] [2021-11-12 23:34:05,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:05,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:05,519 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 27 more)] === [2021-11-12 23:34:05,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:05,519 INFO L85 PathProgramCache]: Analyzing trace with hash -859777285, now seen corresponding path program 1 times [2021-11-12 23:34:05,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:05,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326288292] [2021-11-12 23:34:05,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:05,521 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:05,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:05,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:34:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:06,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:06,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:07,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:07,351 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:07,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326288292] [2021-11-12 23:34:07,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326288292] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:07,351 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:07,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:07,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524324718] [2021-11-12 23:34:07,351 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:07,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:07,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:07,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:07,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:07,352 INFO L87 Difference]: Start difference. First operand 1092 states and 1427 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) [2021-11-12 23:34:07,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:07,469 INFO L93 Difference]: Finished difference Result 1092 states and 1427 transitions. [2021-11-12 23:34:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:07,470 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 [2021-11-12 23:34:07,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:07,478 INFO L225 Difference]: With dead ends: 1092 [2021-11-12 23:34:07,478 INFO L226 Difference]: Without dead ends: 1090 [2021-11-12 23:34:07,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:07,480 INFO L933 BasicCegarLoop]: 1418 mSDtfsCounter, 1342 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 4250 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.23ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:07,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1344 Valid, 4250 Invalid, 2 Unknown, 0 Unchecked, 14.32ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.23ms Time] [2021-11-12 23:34:07,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2021-11-12 23:34:07,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2021-11-12 23:34:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 705 states have (on average 1.2297872340425533) internal successors, (867), 744 states have internal predecessors, (867), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1425 transitions. [2021-11-12 23:34:07,556 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1425 transitions. Word has length 95 [2021-11-12 23:34:07,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:07,558 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1425 transitions. [2021-11-12 23:34:07,558 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) [2021-11-12 23:34:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1425 transitions. [2021-11-12 23:34:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-12 23:34:07,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:07,562 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] [2021-11-12 23:34:07,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:07,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:07,777 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 27 more)] === [2021-11-12 23:34:07,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2134194122, now seen corresponding path program 1 times [2021-11-12 23:34:07,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:07,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477796092] [2021-11-12 23:34:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:07,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:07,780 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:07,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:34:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:08,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:08,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:09,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:09,661 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:09,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477796092] [2021-11-12 23:34:09,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477796092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:09,662 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:09,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:09,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044548280] [2021-11-12 23:34:09,662 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:09,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:09,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:09,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:09,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:09,663 INFO L87 Difference]: Start difference. First operand 1090 states and 1425 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) [2021-11-12 23:34:09,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:09,791 INFO L93 Difference]: Finished difference Result 1090 states and 1425 transitions. [2021-11-12 23:34:09,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:09,792 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 [2021-11-12 23:34:09,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:09,800 INFO L225 Difference]: With dead ends: 1090 [2021-11-12 23:34:09,800 INFO L226 Difference]: Without dead ends: 1088 [2021-11-12 23:34:09,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:09,802 INFO L933 BasicCegarLoop]: 1416 mSDtfsCounter, 1334 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 4244 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.89ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:09,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1336 Valid, 4244 Invalid, 2 Unknown, 0 Unchecked, 12.07ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.89ms Time] [2021-11-12 23:34:09,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2021-11-12 23:34:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2021-11-12 23:34:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 704 states have (on average 1.2286931818181819) internal successors, (865), 742 states have internal predecessors, (865), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1423 transitions. [2021-11-12 23:34:09,889 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1423 transitions. Word has length 101 [2021-11-12 23:34:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:09,890 INFO L470 AbstractCegarLoop]: Abstraction has 1088 states and 1423 transitions. [2021-11-12 23:34:09,890 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) [2021-11-12 23:34:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1423 transitions. [2021-11-12 23:34:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-12 23:34:09,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:09,892 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] [2021-11-12 23:34:09,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:10,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:10,111 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 27 more)] === [2021-11-12 23:34:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:10,111 INFO L85 PathProgramCache]: Analyzing trace with hash -760690424, now seen corresponding path program 1 times [2021-11-12 23:34:10,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:10,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005817691] [2021-11-12 23:34:10,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:10,113 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:10,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:10,113 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:10,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:34:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:11,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:11,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:11,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:11,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:11,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005817691] [2021-11-12 23:34:11,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005817691] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:11,949 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:11,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:11,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782029774] [2021-11-12 23:34:11,949 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:11,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:11,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:11,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:11,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:11,950 INFO L87 Difference]: Start difference. First operand 1088 states and 1423 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) [2021-11-12 23:34:12,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:12,058 INFO L93 Difference]: Finished difference Result 1088 states and 1423 transitions. [2021-11-12 23:34:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:12,059 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 [2021-11-12 23:34:12,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:12,066 INFO L225 Difference]: With dead ends: 1088 [2021-11-12 23:34:12,067 INFO L226 Difference]: Without dead ends: 1086 [2021-11-12 23:34:12,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:12,068 INFO L933 BasicCegarLoop]: 1414 mSDtfsCounter, 1326 mSDsluCounter, 2824 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:12,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1328 Valid, 4238 Invalid, 2 Unknown, 0 Unchecked, 9.64ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.77ms Time] [2021-11-12 23:34:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2021-11-12 23:34:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2021-11-12 23:34:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 703 states have (on average 1.2275960170697013) internal successors, (863), 740 states have internal predecessors, (863), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1421 transitions. [2021-11-12 23:34:12,149 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1421 transitions. Word has length 107 [2021-11-12 23:34:12,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:12,149 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1421 transitions. [2021-11-12 23:34:12,150 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) [2021-11-12 23:34:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1421 transitions. [2021-11-12 23:34:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-12 23:34:12,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:12,152 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] [2021-11-12 23:34:12,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:12,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:12,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 27 more)] === [2021-11-12 23:34:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:12,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1779835120, now seen corresponding path program 1 times [2021-11-12 23:34:12,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:12,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627349170] [2021-11-12 23:34:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:12,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:12,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:12,369 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:12,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:34:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:13,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:13,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:13,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:14,242 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:14,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627349170] [2021-11-12 23:34:14,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627349170] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:14,242 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:14,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:14,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255903373] [2021-11-12 23:34:14,243 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:14,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:14,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:14,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:14,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:14,244 INFO L87 Difference]: Start difference. First operand 1086 states and 1421 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) [2021-11-12 23:34:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:14,352 INFO L93 Difference]: Finished difference Result 1086 states and 1421 transitions. [2021-11-12 23:34:14,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:14,352 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 [2021-11-12 23:34:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:14,360 INFO L225 Difference]: With dead ends: 1086 [2021-11-12 23:34:14,360 INFO L226 Difference]: Without dead ends: 1084 [2021-11-12 23:34:14,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:14,362 INFO L933 BasicCegarLoop]: 1412 mSDtfsCounter, 1329 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:14,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1331 Valid, 2818 Invalid, 2 Unknown, 0 Unchecked, 6.21ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.94ms Time] [2021-11-12 23:34:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2021-11-12 23:34:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2021-11-12 23:34:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 702 states have (on average 1.2264957264957266) internal successors, (861), 738 states have internal predecessors, (861), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1419 transitions. [2021-11-12 23:34:14,450 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1419 transitions. Word has length 113 [2021-11-12 23:34:14,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:14,450 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 1419 transitions. [2021-11-12 23:34:14,451 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) [2021-11-12 23:34:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1419 transitions. [2021-11-12 23:34:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-12 23:34:14,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:14,454 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] [2021-11-12 23:34:14,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:14,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:14,679 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 27 more)] === [2021-11-12 23:34:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:14,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1024698259, now seen corresponding path program 1 times [2021-11-12 23:34:14,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:14,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998402404] [2021-11-12 23:34:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:14,681 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:14,683 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:14,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:34:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:15,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:15,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:16,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:16,733 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:16,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998402404] [2021-11-12 23:34:16,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998402404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:16,734 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:16,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:16,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86664233] [2021-11-12 23:34:16,734 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:16,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:16,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:16,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:16,737 INFO L87 Difference]: Start difference. First operand 1084 states and 1419 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) [2021-11-12 23:34:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:16,882 INFO L93 Difference]: Finished difference Result 1084 states and 1419 transitions. [2021-11-12 23:34:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:16,883 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 [2021-11-12 23:34:16,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:16,891 INFO L225 Difference]: With dead ends: 1084 [2021-11-12 23:34:16,891 INFO L226 Difference]: Without dead ends: 1082 [2021-11-12 23:34:16,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:16,892 INFO L933 BasicCegarLoop]: 1410 mSDtfsCounter, 1314 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 4226 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:16,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1316 Valid, 4226 Invalid, 2 Unknown, 0 Unchecked, 7.88ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.70ms Time] [2021-11-12 23:34:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-11-12 23:34:16,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1082. [2021-11-12 23:34:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 701 states have (on average 1.225392296718973) internal successors, (859), 736 states have internal predecessors, (859), 280 states have call successors, (280), 82 states have call predecessors, (280), 81 states have return successors, (278), 273 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-12 23:34:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1417 transitions. [2021-11-12 23:34:16,984 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1417 transitions. Word has length 115 [2021-11-12 23:34:16,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:16,985 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1417 transitions. [2021-11-12 23:34:16,985 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) [2021-11-12 23:34:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1417 transitions. [2021-11-12 23:34:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-12 23:34:16,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:16,988 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] [2021-11-12 23:34:17,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:17,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:17,203 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 27 more)] === [2021-11-12 23:34:17,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash 966475960, now seen corresponding path program 1 times [2021-11-12 23:34:17,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:17,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434243176] [2021-11-12 23:34:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:17,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:17,205 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:17,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:34:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:18,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:34:18,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-12 23:34:19,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-12 23:34:20,826 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:20,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434243176] [2021-11-12 23:34:20,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434243176] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:34:20,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:34:20,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [18] total 33 [2021-11-12 23:34:20,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511017261] [2021-11-12 23:34:20,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:20,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:34:20,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:20,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:34:20,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-11-12 23:34:20,829 INFO L87 Difference]: Start difference. First operand 1082 states and 1417 transitions. Second operand has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 7 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2021-11-12 23:34:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:23,496 INFO L93 Difference]: Finished difference Result 2184 states and 2873 transitions. [2021-11-12 23:34:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-12 23:34:23,496 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 7 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 152 [2021-11-12 23:34:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:23,505 INFO L225 Difference]: With dead ends: 2184 [2021-11-12 23:34:23,505 INFO L226 Difference]: Without dead ends: 1120 [2021-11-12 23:34:23,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=289, Invalid=1691, Unknown=0, NotChecked=0, Total=1980 [2021-11-12 23:34:23,511 INFO L933 BasicCegarLoop]: 1402 mSDtfsCounter, 90 mSDsluCounter, 22173 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1482.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 23575 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.50ms SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1627.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:23,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 23575 Invalid, 915 Unknown, 0 Unchecked, 38.50ms Time], IncrementalHoareTripleChecker [278 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1627.15ms Time] [2021-11-12 23:34:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2021-11-12 23:34:23,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1096. [2021-11-12 23:34:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 711 states have (on average 1.2208157524613221) internal successors, (868), 746 states have internal predecessors, (868), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1434 transitions. [2021-11-12 23:34:23,608 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1434 transitions. Word has length 152 [2021-11-12 23:34:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:23,609 INFO L470 AbstractCegarLoop]: Abstraction has 1096 states and 1434 transitions. [2021-11-12 23:34:23,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 7 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2021-11-12 23:34:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1434 transitions. [2021-11-12 23:34:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-12 23:34:23,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:23,611 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] [2021-11-12 23:34:23,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:23,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:23,835 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 27 more)] === [2021-11-12 23:34:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:23,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1233670436, now seen corresponding path program 1 times [2021-11-12 23:34:23,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:23,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49910064] [2021-11-12 23:34:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:23,838 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:23,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:23,839 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:23,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:34:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:24,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:24,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:25,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:25,810 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:25,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49910064] [2021-11-12 23:34:25,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49910064] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:25,810 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:25,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:25,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813709640] [2021-11-12 23:34:25,810 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:25,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:25,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:25,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:25,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:25,812 INFO L87 Difference]: Start difference. First operand 1096 states and 1434 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) [2021-11-12 23:34:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:25,935 INFO L93 Difference]: Finished difference Result 1096 states and 1434 transitions. [2021-11-12 23:34:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:25,936 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 [2021-11-12 23:34:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:25,943 INFO L225 Difference]: With dead ends: 1096 [2021-11-12 23:34:25,944 INFO L226 Difference]: Without dead ends: 1094 [2021-11-12 23:34:25,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:25,945 INFO L933 BasicCegarLoop]: 1408 mSDtfsCounter, 1306 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:25,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1308 Valid, 4220 Invalid, 2 Unknown, 0 Unchecked, 8.55ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.12ms Time] [2021-11-12 23:34:25,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2021-11-12 23:34:26,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2021-11-12 23:34:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 710 states have (on average 1.2197183098591549) internal successors, (866), 744 states have internal predecessors, (866), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1432 transitions. [2021-11-12 23:34:26,080 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1432 transitions. Word has length 121 [2021-11-12 23:34:26,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:26,081 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1432 transitions. [2021-11-12 23:34:26,081 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) [2021-11-12 23:34:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1432 transitions. [2021-11-12 23:34:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-12 23:34:26,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:26,084 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] [2021-11-12 23:34:26,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:26,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:26,299 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 27 more)] === [2021-11-12 23:34:26,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:26,299 INFO L85 PathProgramCache]: Analyzing trace with hash -965351058, now seen corresponding path program 1 times [2021-11-12 23:34:26,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:26,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519045947] [2021-11-12 23:34:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:26,301 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:26,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:26,302 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:26,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:34:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:27,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:34:27,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-12 23:34:28,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:34:28,889 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:28,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519045947] [2021-11-12 23:34:28,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519045947] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:34:28,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1119934472] [2021-11-12 23:34:28,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:28,890 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:34:28,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:34:28,904 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:34:28,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-12 23:34:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:29,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:34:29,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:34:30,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:34:31,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1119934472] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:31,192 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:34:31,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [8, 8] total 14 [2021-11-12 23:34:31,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431371750] [2021-11-12 23:34:31,193 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:31,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:34:31,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:31,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:34:31,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:34:31,194 INFO L87 Difference]: Start difference. First operand 1094 states and 1432 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, (35), 2 states have call predecessors, (35), 4 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:34:33,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:34:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:35,660 INFO L93 Difference]: Finished difference Result 2130 states and 2795 transitions. [2021-11-12 23:34:35,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:34:35,661 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, (35), 2 states have call predecessors, (35), 4 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 168 [2021-11-12 23:34:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:35,669 INFO L225 Difference]: With dead ends: 2130 [2021-11-12 23:34:35,669 INFO L226 Difference]: Without dead ends: 1094 [2021-11-12 23:34:35,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:34:35,678 INFO L933 BasicCegarLoop]: 1406 mSDtfsCounter, 1333 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3852.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.97ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4156.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:35,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1338 Valid, 5058 Invalid, 568 Unknown, 0 Unchecked, 16.97ms Time], IncrementalHoareTripleChecker [1 Valid, 566 Invalid, 1 Unknown, 0 Unchecked, 4156.32ms Time] [2021-11-12 23:34:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2021-11-12 23:34:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2021-11-12 23:34:35,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 710 states have (on average 1.2183098591549295) internal successors, (865), 744 states have internal predecessors, (865), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1431 transitions. [2021-11-12 23:34:35,807 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1431 transitions. Word has length 168 [2021-11-12 23:34:35,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:35,808 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1431 transitions. [2021-11-12 23:34:35,809 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, (35), 2 states have call predecessors, (35), 4 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:34:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1431 transitions. [2021-11-12 23:34:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-12 23:34:35,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:35,813 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] [2021-11-12 23:34:35,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:36,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:36,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:34:36,235 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:34:36,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash -965291476, now seen corresponding path program 1 times [2021-11-12 23:34:36,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:36,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088394204] [2021-11-12 23:34:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:36,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:36,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:36,237 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:34:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:37,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:34:37,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-12 23:34:38,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:34:38,826 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:38,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088394204] [2021-11-12 23:34:38,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088394204] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:34:38,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1253858779] [2021-11-12 23:34:38,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:38,826 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:34:38,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:34:38,827 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:34:38,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-12 23:34:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:40,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:34:40,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-11-12 23:34:41,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-12 23:34:41,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1253858779] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:34:41,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:34:41,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-12 23:34:41,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875912214] [2021-11-12 23:34:41,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:41,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:34:41,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:41,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:34:41,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:34:41,920 INFO L87 Difference]: Start difference. First operand 1094 states and 1431 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-12 23:34:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:42,123 INFO L93 Difference]: Finished difference Result 2171 states and 2851 transitions. [2021-11-12 23:34:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:34:42,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 168 [2021-11-12 23:34:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:42,132 INFO L225 Difference]: With dead ends: 2171 [2021-11-12 23:34:42,132 INFO L226 Difference]: Without dead ends: 1116 [2021-11-12 23:34:42,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:34:42,137 INFO L933 BasicCegarLoop]: 1465 mSDtfsCounter, 483 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 6625 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.72ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:42,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 6625 Invalid, 12 Unknown, 0 Unchecked, 11.07ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 37.72ms Time] [2021-11-12 23:34:42,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-12 23:34:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1094. [2021-11-12 23:34:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 710 states have (on average 1.2169014084507042) internal successors, (864), 743 states have internal predecessors, (864), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1430 transitions. [2021-11-12 23:34:42,266 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1430 transitions. Word has length 168 [2021-11-12 23:34:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:42,267 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1430 transitions. [2021-11-12 23:34:42,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-12 23:34:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1430 transitions. [2021-11-12 23:34:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-12 23:34:42,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:42,269 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] [2021-11-12 23:34:42,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:42,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-12 23:34:42,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:42,681 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:34:42,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:42,682 INFO L85 PathProgramCache]: Analyzing trace with hash 694471801, now seen corresponding path program 1 times [2021-11-12 23:34:42,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:42,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565241867] [2021-11-12 23:34:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:42,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:42,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:42,684 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:42,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:34:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:43,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:43,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:44,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:44,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:44,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565241867] [2021-11-12 23:34:44,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565241867] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:44,690 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:44,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:44,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642302171] [2021-11-12 23:34:44,691 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:44,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:44,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:44,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:44,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:44,692 INFO L87 Difference]: Start difference. First operand 1094 states and 1430 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) [2021-11-12 23:34:44,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:44,789 INFO L93 Difference]: Finished difference Result 1094 states and 1430 transitions. [2021-11-12 23:34:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:44,790 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 [2021-11-12 23:34:44,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:44,796 INFO L225 Difference]: With dead ends: 1094 [2021-11-12 23:34:44,797 INFO L226 Difference]: Without dead ends: 1092 [2021-11-12 23:34:44,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:44,798 INFO L933 BasicCegarLoop]: 1404 mSDtfsCounter, 1296 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:44,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1298 Valid, 4208 Invalid, 2 Unknown, 0 Unchecked, 5.05ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.69ms Time] [2021-11-12 23:34:44,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-11-12 23:34:44,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2021-11-12 23:34:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 709 states have (on average 1.215796897038082) internal successors, (862), 741 states have internal predecessors, (862), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1428 transitions. [2021-11-12 23:34:44,913 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1428 transitions. Word has length 127 [2021-11-12 23:34:44,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:44,913 INFO L470 AbstractCegarLoop]: Abstraction has 1092 states and 1428 transitions. [2021-11-12 23:34:44,914 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) [2021-11-12 23:34:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1428 transitions. [2021-11-12 23:34:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-12 23:34:44,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:44,915 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, 1, 1, 1, 1] [2021-11-12 23:34:44,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:45,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:45,131 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 27 more)] === [2021-11-12 23:34:45,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:45,131 INFO L85 PathProgramCache]: Analyzing trace with hash 535776783, now seen corresponding path program 1 times [2021-11-12 23:34:45,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:45,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548106995] [2021-11-12 23:34:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:45,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:45,133 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:45,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:34:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:46,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-12 23:34:46,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-12 23:34:47,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-12 23:34:49,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:49,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548106995] [2021-11-12 23:34:49,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548106995] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:34:49,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:34:49,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2021-11-12 23:34:49,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835116548] [2021-11-12 23:34:49,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:49,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:34:49,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:49,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:34:49,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:34:49,443 INFO L87 Difference]: Start difference. First operand 1092 states and 1428 transitions. Second operand has 13 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2021-11-12 23:34:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:50,857 INFO L93 Difference]: Finished difference Result 2164 states and 2840 transitions. [2021-11-12 23:34:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:34:50,858 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) Word has length 172 [2021-11-12 23:34:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:50,866 INFO L225 Difference]: With dead ends: 2164 [2021-11-12 23:34:50,866 INFO L226 Difference]: Without dead ends: 1116 [2021-11-12 23:34:50,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:34:50,869 INFO L933 BasicCegarLoop]: 1433 mSDtfsCounter, 484 mSDsluCounter, 12163 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 851.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 13596 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.86ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 943.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:50,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [695 Valid, 13596 Invalid, 369 Unknown, 0 Unchecked, 14.86ms Time], IncrementalHoareTripleChecker [5 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 943.87ms Time] [2021-11-12 23:34:50,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-12 23:34:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1092. [2021-11-12 23:34:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 709 states have (on average 1.214386459802539) internal successors, (861), 740 states have internal predecessors, (861), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1427 transitions. [2021-11-12 23:34:50,995 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1427 transitions. Word has length 172 [2021-11-12 23:34:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:50,995 INFO L470 AbstractCegarLoop]: Abstraction has 1092 states and 1427 transitions. [2021-11-12 23:34:50,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2021-11-12 23:34:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1427 transitions. [2021-11-12 23:34:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-12 23:34:50,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:50,997 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] [2021-11-12 23:34:51,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:51,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:51,211 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 27 more)] === [2021-11-12 23:34:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 739493004, now seen corresponding path program 1 times [2021-11-12 23:34:51,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:51,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520877816] [2021-11-12 23:34:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:51,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:51,215 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:51,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:34:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:52,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:52,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:34:53,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:34:53,387 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:53,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520877816] [2021-11-12 23:34:53,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520877816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:53,388 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:53,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:34:53,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081843031] [2021-11-12 23:34:53,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:53,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:34:53,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:53,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:34:53,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:53,390 INFO L87 Difference]: Start difference. First operand 1092 states and 1427 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-12 23:34:53,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:53,478 INFO L93 Difference]: Finished difference Result 1092 states and 1427 transitions. [2021-11-12 23:34:53,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:53,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 176 [2021-11-12 23:34:53,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:53,485 INFO L225 Difference]: With dead ends: 1092 [2021-11-12 23:34:53,485 INFO L226 Difference]: Without dead ends: 1090 [2021-11-12 23:34:53,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:34:53,486 INFO L933 BasicCegarLoop]: 1401 mSDtfsCounter, 14 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4197 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:53,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 4197 Invalid, 3 Unknown, 0 Unchecked, 2.84ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 6.01ms Time] [2021-11-12 23:34:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2021-11-12 23:34:53,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2021-11-12 23:34:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 708 states have (on average 1.213276836158192) internal successors, (859), 738 states have internal predecessors, (859), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1425 transitions. [2021-11-12 23:34:53,612 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1425 transitions. Word has length 176 [2021-11-12 23:34:53,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:53,612 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1425 transitions. [2021-11-12 23:34:53,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-12 23:34:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1425 transitions. [2021-11-12 23:34:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-12 23:34:53,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:53,614 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] [2021-11-12 23:34:53,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:53,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:53,839 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 27 more)] === [2021-11-12 23:34:53,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:53,839 INFO L85 PathProgramCache]: Analyzing trace with hash -193829921, now seen corresponding path program 1 times [2021-11-12 23:34:53,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:53,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902664799] [2021-11-12 23:34:53,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:53,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:53,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:53,841 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:53,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:34:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:54,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:34:54,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:55,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:34:55,840 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:55,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902664799] [2021-11-12 23:34:55,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902664799] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:55,841 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:55,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:34:55,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386169123] [2021-11-12 23:34:55,841 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:55,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:34:55,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:55,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:34:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:34:55,842 INFO L87 Difference]: Start difference. First operand 1090 states and 1425 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) [2021-11-12 23:34:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:34:55,968 INFO L93 Difference]: Finished difference Result 1090 states and 1425 transitions. [2021-11-12 23:34:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:34:55,969 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 [2021-11-12 23:34:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:34:55,976 INFO L225 Difference]: With dead ends: 1090 [2021-11-12 23:34:55,976 INFO L226 Difference]: Without dead ends: 1088 [2021-11-12 23:34:55,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:55,977 INFO L933 BasicCegarLoop]: 1399 mSDtfsCounter, 1288 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:34:55,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1290 Valid, 2796 Invalid, 2 Unknown, 0 Unchecked, 4.49ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.69ms Time] [2021-11-12 23:34:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2021-11-12 23:34:56,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2021-11-12 23:34:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 707 states have (on average 1.2121640735502122) internal successors, (857), 736 states have internal predecessors, (857), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:34:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1423 transitions. [2021-11-12 23:34:56,087 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1423 transitions. Word has length 133 [2021-11-12 23:34:56,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:34:56,088 INFO L470 AbstractCegarLoop]: Abstraction has 1088 states and 1423 transitions. [2021-11-12 23:34:56,088 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) [2021-11-12 23:34:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1423 transitions. [2021-11-12 23:34:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-12 23:34:56,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:56,090 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, 1, 1, 1, 1] [2021-11-12 23:34:56,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:34:56,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:34:56,316 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 27 more)] === [2021-11-12 23:34:56,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:56,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1906990363, now seen corresponding path program 1 times [2021-11-12 23:34:56,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:34:56,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408030407] [2021-11-12 23:34:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:56,318 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:34:56,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:34:56,319 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:34:56,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:34:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:57,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:34:57,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:34:58,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:34:59,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:34:59,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408030407] [2021-11-12 23:34:59,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408030407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:59,216 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:59,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:34:59,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396108985] [2021-11-12 23:34:59,217 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:59,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:34:59,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:34:59,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:34:59,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:34:59,218 INFO L87 Difference]: Start difference. First operand 1088 states and 1423 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-12 23:35:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:00,030 INFO L93 Difference]: Finished difference Result 2114 states and 2775 transitions. [2021-11-12 23:35:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:35:00,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 183 [2021-11-12 23:35:00,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:00,039 INFO L225 Difference]: With dead ends: 2114 [2021-11-12 23:35:00,039 INFO L226 Difference]: Without dead ends: 1084 [2021-11-12 23:35:00,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:00,043 INFO L933 BasicCegarLoop]: 1395 mSDtfsCounter, 2115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 541.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2115 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.15ms SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 704.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:00,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2115 Valid, 1395 Invalid, 539 Unknown, 0 Unchecked, 4.15ms Time], IncrementalHoareTripleChecker [538 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 704.93ms Time] [2021-11-12 23:35:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2021-11-12 23:35:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2021-11-12 23:35:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 704 states have (on average 1.2102272727272727) internal successors, (852), 732 states have internal predecessors, (852), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1418 transitions. [2021-11-12 23:35:00,197 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1418 transitions. Word has length 183 [2021-11-12 23:35:00,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:00,198 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 1418 transitions. [2021-11-12 23:35:00,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-12 23:35:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1418 transitions. [2021-11-12 23:35:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-12 23:35:00,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:00,200 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] [2021-11-12 23:35:00,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:00,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:00,423 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 27 more)] === [2021-11-12 23:35:00,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash -439536869, now seen corresponding path program 1 times [2021-11-12 23:35:00,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:00,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162345742] [2021-11-12 23:35:00,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:00,425 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:00,425 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:00,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:35:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:01,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:01,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:02,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:02,765 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:02,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162345742] [2021-11-12 23:35:02,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162345742] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:02,765 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:02,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:02,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493454132] [2021-11-12 23:35:02,766 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:02,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:02,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:02,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:02,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:02,767 INFO L87 Difference]: Start difference. First operand 1084 states and 1418 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) [2021-11-12 23:35:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:02,861 INFO L93 Difference]: Finished difference Result 1084 states and 1418 transitions. [2021-11-12 23:35:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:02,863 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 [2021-11-12 23:35:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:02,868 INFO L225 Difference]: With dead ends: 1084 [2021-11-12 23:35:02,868 INFO L226 Difference]: Without dead ends: 1082 [2021-11-12 23:35:02,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:02,869 INFO L933 BasicCegarLoop]: 1392 mSDtfsCounter, 1275 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:02,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1277 Valid, 2782 Invalid, 2 Unknown, 0 Unchecked, 3.20ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.75ms Time] [2021-11-12 23:35:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-11-12 23:35:02,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1082. [2021-11-12 23:35:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 703 states have (on average 1.209103840682788) internal successors, (850), 730 states have internal predecessors, (850), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1416 transitions. [2021-11-12 23:35:02,994 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1416 transitions. Word has length 139 [2021-11-12 23:35:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:02,994 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1416 transitions. [2021-11-12 23:35:02,994 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) [2021-11-12 23:35:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1416 transitions. [2021-11-12 23:35:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-12 23:35:02,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:02,996 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] [2021-11-12 23:35:03,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:03,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:03,211 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 27 more)] === [2021-11-12 23:35:03,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:03,211 INFO L85 PathProgramCache]: Analyzing trace with hash -471614048, now seen corresponding path program 1 times [2021-11-12 23:35:03,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:03,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057101450] [2021-11-12 23:35:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:03,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:03,214 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:03,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 23:35:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:04,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:04,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:04,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:05,295 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:05,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057101450] [2021-11-12 23:35:05,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057101450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:05,296 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:05,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:05,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490821870] [2021-11-12 23:35:05,296 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:05,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:05,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:05,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:05,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:05,298 INFO L87 Difference]: Start difference. First operand 1082 states and 1416 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) [2021-11-12 23:35:05,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:05,394 INFO L93 Difference]: Finished difference Result 1082 states and 1416 transitions. [2021-11-12 23:35:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:05,395 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 [2021-11-12 23:35:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:05,402 INFO L225 Difference]: With dead ends: 1082 [2021-11-12 23:35:05,402 INFO L226 Difference]: Without dead ends: 1080 [2021-11-12 23:35:05,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:05,404 INFO L933 BasicCegarLoop]: 1390 mSDtfsCounter, 1267 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 2778 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:05,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1269 Valid, 2778 Invalid, 2 Unknown, 0 Unchecked, 3.14ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.66ms Time] [2021-11-12 23:35:05,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2021-11-12 23:35:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1080. [2021-11-12 23:35:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 702 states have (on average 1.207977207977208) internal successors, (848), 728 states have internal predecessors, (848), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1414 transitions. [2021-11-12 23:35:05,546 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1414 transitions. Word has length 145 [2021-11-12 23:35:05,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:05,547 INFO L470 AbstractCegarLoop]: Abstraction has 1080 states and 1414 transitions. [2021-11-12 23:35:05,547 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) [2021-11-12 23:35:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1414 transitions. [2021-11-12 23:35:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-12 23:35:05,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:05,549 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] [2021-11-12 23:35:05,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:05,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:05,775 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 27 more)] === [2021-11-12 23:35:05,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:05,775 INFO L85 PathProgramCache]: Analyzing trace with hash -572501438, now seen corresponding path program 1 times [2021-11-12 23:35:05,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:05,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914242141] [2021-11-12 23:35:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:05,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:05,777 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:05,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:35:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:06,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:06,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:07,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:08,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:08,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914242141] [2021-11-12 23:35:08,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914242141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:08,128 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:08,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:35:08,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568272004] [2021-11-12 23:35:08,129 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:08,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:35:08,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:08,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:35:08,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:08,130 INFO L87 Difference]: Start difference. First operand 1080 states and 1414 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) [2021-11-12 23:35:08,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:08,319 INFO L93 Difference]: Finished difference Result 1080 states and 1414 transitions. [2021-11-12 23:35:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:08,320 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 [2021-11-12 23:35:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:08,327 INFO L225 Difference]: With dead ends: 1080 [2021-11-12 23:35:08,328 INFO L226 Difference]: Without dead ends: 1078 [2021-11-12 23:35:08,329 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 [2021-11-12 23:35:08,330 INFO L933 BasicCegarLoop]: 1388 mSDtfsCounter, 1325 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.92ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:08,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1327 Valid, 2774 Invalid, 26 Unknown, 0 Unchecked, 4.92ms Time], IncrementalHoareTripleChecker [24 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 26.32ms Time] [2021-11-12 23:35:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2021-11-12 23:35:08,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1078. [2021-11-12 23:35:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 701 states have (on average 1.2068473609129815) internal successors, (846), 726 states have internal predecessors, (846), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1412 transitions. [2021-11-12 23:35:08,459 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1412 transitions. Word has length 151 [2021-11-12 23:35:08,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:08,459 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1412 transitions. [2021-11-12 23:35:08,459 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) [2021-11-12 23:35:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1412 transitions. [2021-11-12 23:35:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-12 23:35:08,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:08,461 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] [2021-11-12 23:35:08,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-11-12 23:35:08,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:08,675 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 27 more)] === [2021-11-12 23:35:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:08,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1535424735, now seen corresponding path program 1 times [2021-11-12 23:35:08,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:08,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163180089] [2021-11-12 23:35:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:08,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:08,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:08,677 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:08,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 23:35:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:09,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:09,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:10,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:10,796 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:10,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163180089] [2021-11-12 23:35:10,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163180089] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:10,796 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:10,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:10,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595460429] [2021-11-12 23:35:10,797 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:10,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:10,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:10,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:10,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:10,798 INFO L87 Difference]: Start difference. First operand 1078 states and 1412 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) [2021-11-12 23:35:10,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:10,902 INFO L93 Difference]: Finished difference Result 1078 states and 1412 transitions. [2021-11-12 23:35:10,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:10,902 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 [2021-11-12 23:35:10,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:10,909 INFO L225 Difference]: With dead ends: 1078 [2021-11-12 23:35:10,909 INFO L226 Difference]: Without dead ends: 1076 [2021-11-12 23:35:10,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:10,911 INFO L933 BasicCegarLoop]: 1386 mSDtfsCounter, 1248 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:10,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 4154 Invalid, 2 Unknown, 0 Unchecked, 3.99ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.64ms Time] [2021-11-12 23:35:10,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2021-11-12 23:35:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2021-11-12 23:35:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 700 states have (on average 1.2057142857142857) internal successors, (844), 724 states have internal predecessors, (844), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1410 transitions. [2021-11-12 23:35:11,046 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1410 transitions. Word has length 157 [2021-11-12 23:35:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:11,047 INFO L470 AbstractCegarLoop]: Abstraction has 1076 states and 1410 transitions. [2021-11-12 23:35:11,047 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) [2021-11-12 23:35:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1410 transitions. [2021-11-12 23:35:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:35:11,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:11,049 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] [2021-11-12 23:35:11,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:11,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:11,263 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 27 more)] === [2021-11-12 23:35:11,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:11,263 INFO L85 PathProgramCache]: Analyzing trace with hash -338995215, now seen corresponding path program 1 times [2021-11-12 23:35:11,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:11,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074559816] [2021-11-12 23:35:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:11,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:11,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:11,266 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:11,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:35:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:12,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:12,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:13,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:13,476 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:13,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074559816] [2021-11-12 23:35:13,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074559816] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:13,476 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:13,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:13,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416817586] [2021-11-12 23:35:13,476 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:13,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:13,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:13,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:13,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:13,478 INFO L87 Difference]: Start difference. First operand 1076 states and 1410 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) [2021-11-12 23:35:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:13,653 INFO L93 Difference]: Finished difference Result 1076 states and 1410 transitions. [2021-11-12 23:35:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:13,654 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 [2021-11-12 23:35:13,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:13,660 INFO L225 Difference]: With dead ends: 1076 [2021-11-12 23:35:13,660 INFO L226 Difference]: Without dead ends: 1074 [2021-11-12 23:35:13,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:13,662 INFO L933 BasicCegarLoop]: 1384 mSDtfsCounter, 1240 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 4148 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:13,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 4148 Invalid, 2 Unknown, 0 Unchecked, 5.55ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.81ms Time] [2021-11-12 23:35:13,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2021-11-12 23:35:13,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1074. [2021-11-12 23:35:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 699 states have (on average 1.2045779685264664) internal successors, (842), 722 states have internal predecessors, (842), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1408 transitions. [2021-11-12 23:35:13,797 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1408 transitions. Word has length 163 [2021-11-12 23:35:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:13,798 INFO L470 AbstractCegarLoop]: Abstraction has 1074 states and 1408 transitions. [2021-11-12 23:35:13,798 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) [2021-11-12 23:35:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1408 transitions. [2021-11-12 23:35:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-12 23:35:13,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:13,800 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] [2021-11-12 23:35:13,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:14,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:14,015 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 27 more)] === [2021-11-12 23:35:14,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:14,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1498153912, now seen corresponding path program 1 times [2021-11-12 23:35:14,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:14,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933150725] [2021-11-12 23:35:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:14,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:14,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:14,019 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 23:35:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:15,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:15,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:16,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:16,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:16,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933150725] [2021-11-12 23:35:16,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933150725] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:16,540 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:16,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:16,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187926383] [2021-11-12 23:35:16,540 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:16,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:16,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:16,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:16,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:16,542 INFO L87 Difference]: Start difference. First operand 1074 states and 1408 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) [2021-11-12 23:35:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:16,686 INFO L93 Difference]: Finished difference Result 1074 states and 1408 transitions. [2021-11-12 23:35:16,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:16,687 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 [2021-11-12 23:35:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:16,693 INFO L225 Difference]: With dead ends: 1074 [2021-11-12 23:35:16,693 INFO L226 Difference]: Without dead ends: 1072 [2021-11-12 23:35:16,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:16,695 INFO L933 BasicCegarLoop]: 1382 mSDtfsCounter, 1235 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 2762 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:16,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1237 Valid, 2762 Invalid, 2 Unknown, 0 Unchecked, 3.87ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.92ms Time] [2021-11-12 23:35:16,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-11-12 23:35:16,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2021-11-12 23:35:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 698 states have (on average 1.2034383954154728) internal successors, (840), 720 states have internal predecessors, (840), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1406 transitions. [2021-11-12 23:35:16,814 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1406 transitions. Word has length 169 [2021-11-12 23:35:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:16,815 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1406 transitions. [2021-11-12 23:35:16,815 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) [2021-11-12 23:35:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1406 transitions. [2021-11-12 23:35:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-12 23:35:16,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:16,818 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, 1, 1, 1, 1] [2021-11-12 23:35:16,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:17,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:17,031 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 27 more)] === [2021-11-12 23:35:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:17,031 INFO L85 PathProgramCache]: Analyzing trace with hash 521278354, now seen corresponding path program 1 times [2021-11-12 23:35:17,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:17,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033366166] [2021-11-12 23:35:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:17,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:17,034 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:17,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:35:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:18,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:35:18,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:35:19,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-11-12 23:35:19,642 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:19,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033366166] [2021-11-12 23:35:19,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033366166] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:19,643 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:19,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:35:19,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98818796] [2021-11-12 23:35:19,643 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:19,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:35:19,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:35:19,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:19,644 INFO L87 Difference]: Start difference. First operand 1072 states and 1406 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, (35), 2 states have call predecessors, (35), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-12 23:35:20,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:20,613 INFO L93 Difference]: Finished difference Result 1995 states and 2602 transitions. [2021-11-12 23:35:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:35:20,613 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, (35), 2 states have call predecessors, (35), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 212 [2021-11-12 23:35:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:20,619 INFO L225 Difference]: With dead ends: 1995 [2021-11-12 23:35:20,619 INFO L226 Difference]: Without dead ends: 1068 [2021-11-12 23:35:20,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:20,624 INFO L933 BasicCegarLoop]: 1378 mSDtfsCounter, 2127 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 661.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.31ms SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 835.09ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:20,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2127 Valid, 1378 Invalid, 555 Unknown, 0 Unchecked, 5.31ms Time], IncrementalHoareTripleChecker [554 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 835.09ms Time] [2021-11-12 23:35:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2021-11-12 23:35:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068. [2021-11-12 23:35:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 695 states have (on average 1.2014388489208634) internal successors, (835), 716 states have internal predecessors, (835), 284 states have call successors, (284), 82 states have call predecessors, (284), 81 states have return successors, (282), 277 states have call predecessors, (282), 282 states have call successors, (282) [2021-11-12 23:35:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1401 transitions. [2021-11-12 23:35:20,788 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1401 transitions. Word has length 212 [2021-11-12 23:35:20,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:20,789 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1401 transitions. [2021-11-12 23:35:20,789 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, (35), 2 states have call predecessors, (35), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-12 23:35:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1401 transitions. [2021-11-12 23:35:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:35:20,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:20,791 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] [2021-11-12 23:35:20,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:21,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:21,007 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 27 more)] === [2021-11-12 23:35:21,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:21,007 INFO L85 PathProgramCache]: Analyzing trace with hash -169531474, now seen corresponding path program 1 times [2021-11-12 23:35:21,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:21,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365719009] [2021-11-12 23:35:21,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:21,009 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:21,011 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 23:35:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:22,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:22,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:23,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:23,619 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:23,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365719009] [2021-11-12 23:35:23,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365719009] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:23,619 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:23,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:23,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832537684] [2021-11-12 23:35:23,619 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:23,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:23,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:23,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:23,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:23,620 INFO L87 Difference]: Start difference. First operand 1068 states and 1401 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) [2021-11-12 23:35:23,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:23,913 INFO L93 Difference]: Finished difference Result 1858 states and 2405 transitions. [2021-11-12 23:35:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:35:23,914 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 [2021-11-12 23:35:23,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:23,922 INFO L225 Difference]: With dead ends: 1858 [2021-11-12 23:35:23,922 INFO L226 Difference]: Without dead ends: 1856 [2021-11-12 23:35:23,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:23,924 INFO L933 BasicCegarLoop]: 1606 mSDtfsCounter, 1222 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 4211 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.46ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.11ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:23,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1224 Valid, 4211 Invalid, 17 Unknown, 0 Unchecked, 7.46ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 43.11ms Time] [2021-11-12 23:35:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2021-11-12 23:35:24,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1839. [2021-11-12 23:35:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1209 states have (on average 1.205955334987593) internal successors, (1458), 1241 states have internal predecessors, (1458), 467 states have call successors, (467), 156 states have call predecessors, (467), 155 states have return successors, (466), 455 states have call predecessors, (466), 465 states have call successors, (466) [2021-11-12 23:35:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2391 transitions. [2021-11-12 23:35:24,110 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2391 transitions. Word has length 175 [2021-11-12 23:35:24,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:24,111 INFO L470 AbstractCegarLoop]: Abstraction has 1839 states and 2391 transitions. [2021-11-12 23:35:24,111 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) [2021-11-12 23:35:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2391 transitions. [2021-11-12 23:35:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-12 23:35:24,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:24,114 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, 1, 1, 1, 1] [2021-11-12 23:35:24,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:24,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:24,335 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 27 more)] === [2021-11-12 23:35:24,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:24,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1516179487, now seen corresponding path program 1 times [2021-11-12 23:35:24,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:24,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562234715] [2021-11-12 23:35:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:24,338 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:24,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:24,345 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:24,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:35:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:26,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:35:26,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:35:26,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-12 23:35:27,003 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:27,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562234715] [2021-11-12 23:35:27,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562234715] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:27,003 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:27,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:35:27,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848540249] [2021-11-12 23:35:27,003 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:27,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:35:27,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:27,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:35:27,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:27,004 INFO L87 Difference]: Start difference. First operand 1839 states and 2391 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-12 23:35:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:27,376 INFO L93 Difference]: Finished difference Result 3537 states and 4576 transitions. [2021-11-12 23:35:27,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:35:27,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 218 [2021-11-12 23:35:27,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:27,381 INFO L225 Difference]: With dead ends: 3537 [2021-11-12 23:35:27,382 INFO L226 Difference]: Without dead ends: 1846 [2021-11-12 23:35:27,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:27,387 INFO L933 BasicCegarLoop]: 1386 mSDtfsCounter, 1336 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.25ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:27,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1336 Valid, 1430 Invalid, 21 Unknown, 0 Unchecked, 2.25ms Time], IncrementalHoareTripleChecker [18 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 146.06ms Time] [2021-11-12 23:35:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2021-11-12 23:35:27,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1845. [2021-11-12 23:35:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1845 states, 1213 states have (on average 1.2036273701566365) internal successors, (1460), 1244 states have internal predecessors, (1460), 467 states have call successors, (467), 159 states have call predecessors, (467), 158 states have return successors, (466), 455 states have call predecessors, (466), 465 states have call successors, (466) [2021-11-12 23:35:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1845 states and 2393 transitions. [2021-11-12 23:35:27,597 INFO L78 Accepts]: Start accepts. Automaton has 1845 states and 2393 transitions. Word has length 218 [2021-11-12 23:35:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:27,598 INFO L470 AbstractCegarLoop]: Abstraction has 1845 states and 2393 transitions. [2021-11-12 23:35:27,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-12 23:35:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2393 transitions. [2021-11-12 23:35:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-12 23:35:27,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:27,600 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] [2021-11-12 23:35:27,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:27,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:27,823 INFO L402 AbstractCegarLoop]: === Iteration 29 === 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 27 more)] === [2021-11-12 23:35:27,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:27,823 INFO L85 PathProgramCache]: Analyzing trace with hash -254138011, now seen corresponding path program 1 times [2021-11-12 23:35:27,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:27,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936609468] [2021-11-12 23:35:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:27,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:27,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:27,825 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:27,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 23:35:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:28,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:28,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:29,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:30,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:30,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936609468] [2021-11-12 23:35:30,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936609468] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:30,169 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:30,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:30,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829225216] [2021-11-12 23:35:30,169 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:30,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:30,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:30,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:30,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:30,170 INFO L87 Difference]: Start difference. First operand 1845 states and 2393 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) [2021-11-12 23:35:30,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:30,358 INFO L93 Difference]: Finished difference Result 1845 states and 2393 transitions. [2021-11-12 23:35:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:30,359 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 [2021-11-12 23:35:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:30,366 INFO L225 Difference]: With dead ends: 1845 [2021-11-12 23:35:30,366 INFO L226 Difference]: Without dead ends: 1843 [2021-11-12 23:35:30,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:30,368 INFO L933 BasicCegarLoop]: 1370 mSDtfsCounter, 1208 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 4106 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.85ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:30,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 4106 Invalid, 2 Unknown, 0 Unchecked, 4.61ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.85ms Time] [2021-11-12 23:35:30,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2021-11-12 23:35:30,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2021-11-12 23:35:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1212 states have (on average 1.2021452145214522) internal successors, (1457), 1242 states have internal predecessors, (1457), 467 states have call successors, (467), 159 states have call predecessors, (467), 158 states have return successors, (466), 455 states have call predecessors, (466), 465 states have call successors, (466) [2021-11-12 23:35:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2390 transitions. [2021-11-12 23:35:30,669 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2390 transitions. Word has length 181 [2021-11-12 23:35:30,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:30,669 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2390 transitions. [2021-11-12 23:35:30,670 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) [2021-11-12 23:35:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2390 transitions. [2021-11-12 23:35:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-12 23:35:30,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:30,672 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] [2021-11-12 23:35:30,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:30,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:30,891 INFO L402 AbstractCegarLoop]: === Iteration 30 === 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 27 more)] === [2021-11-12 23:35:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash -747549433, now seen corresponding path program 1 times [2021-11-12 23:35:30,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:30,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835797091] [2021-11-12 23:35:30,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:30,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:30,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:30,895 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:30,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:35:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:32,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:35:32,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:32,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:35:33,382 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:33,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835797091] [2021-11-12 23:35:33,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835797091] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:33,382 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:33,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:35:33,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914041771] [2021-11-12 23:35:33,383 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:33,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:33,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:33,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:33,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:33,385 INFO L87 Difference]: Start difference. First operand 1843 states and 2390 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) [2021-11-12 23:35:33,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:33,788 INFO L93 Difference]: Finished difference Result 3573 states and 4645 transitions. [2021-11-12 23:35:33,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:33,788 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 [2021-11-12 23:35:33,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:33,799 INFO L225 Difference]: With dead ends: 3573 [2021-11-12 23:35:33,800 INFO L226 Difference]: Without dead ends: 3379 [2021-11-12 23:35:33,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:33,804 INFO L933 BasicCegarLoop]: 1790 mSDtfsCounter, 1197 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:33,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1197 Valid, 4836 Invalid, 14 Unknown, 0 Unchecked, 6.14ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 34.40ms Time] [2021-11-12 23:35:33,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2021-11-12 23:35:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3365. [2021-11-12 23:35:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3365 states, 2218 states have (on average 1.212804328223625) internal successors, (2690), 2270 states have internal predecessors, (2690), 854 states have call successors, (854), 289 states have call predecessors, (854), 287 states have return successors, (867), 833 states have call predecessors, (867), 851 states have call successors, (867) [2021-11-12 23:35:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3365 states and 4411 transitions. [2021-11-12 23:35:34,188 INFO L78 Accepts]: Start accepts. Automaton has 3365 states and 4411 transitions. Word has length 187 [2021-11-12 23:35:34,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:34,188 INFO L470 AbstractCegarLoop]: Abstraction has 3365 states and 4411 transitions. [2021-11-12 23:35:34,188 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) [2021-11-12 23:35:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 4411 transitions. [2021-11-12 23:35:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-12 23:35:34,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:34,191 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] [2021-11-12 23:35:34,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:34,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:34,407 INFO L402 AbstractCegarLoop]: === Iteration 31 === 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 27 more)] === [2021-11-12 23:35:34,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:34,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1544532004, now seen corresponding path program 1 times [2021-11-12 23:35:34,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:34,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238287572] [2021-11-12 23:35:34,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:34,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:34,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:34,409 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-12 23:35:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:36,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 23:35:36,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2021-11-12 23:35:37,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-12 23:35:38,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:38,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238287572] [2021-11-12 23:35:38,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238287572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:38,542 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:38,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 27 [2021-11-12 23:35:38,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858785612] [2021-11-12 23:35:38,543 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:38,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-12 23:35:38,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:38,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-12 23:35:38,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-11-12 23:35:38,544 INFO L87 Difference]: Start difference. First operand 3365 states and 4411 transitions. Second operand has 27 states, 25 states have (on average 5.0) internal successors, (125), 25 states have internal predecessors, (125), 12 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2021-11-12 23:35:48,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:48,886 INFO L93 Difference]: Finished difference Result 11296 states and 16043 transitions. [2021-11-12 23:35:48,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-12 23:35:48,887 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.0) internal successors, (125), 25 states have internal predecessors, (125), 12 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 272 [2021-11-12 23:35:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:48,919 INFO L225 Difference]: With dead ends: 11296 [2021-11-12 23:35:48,919 INFO L226 Difference]: Without dead ends: 8124 [2021-11-12 23:35:48,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=281, Invalid=1525, Unknown=0, NotChecked=0, Total=1806 [2021-11-12 23:35:48,932 INFO L933 BasicCegarLoop]: 1811 mSDtfsCounter, 7669 mSDsluCounter, 33828 mSDsCounter, 0 mSdLazyCounter, 2656 mSolverCounterSat, 3629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7067.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7859 SdHoareTripleChecker+Valid, 35639 SdHoareTripleChecker+Invalid, 6285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.07ms SdHoareTripleChecker+Time, 3629 IncrementalHoareTripleChecker+Valid, 2656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7801.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:48,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7859 Valid, 35639 Invalid, 6285 Unknown, 0 Unchecked, 64.07ms Time], IncrementalHoareTripleChecker [3629 Valid, 2656 Invalid, 0 Unknown, 0 Unchecked, 7801.69ms Time] [2021-11-12 23:35:48,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8124 states. [2021-11-12 23:35:49,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8124 to 3397. [2021-11-12 23:35:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2240 states have (on average 1.2107142857142856) internal successors, (2712), 2292 states have internal predecessors, (2712), 864 states have call successors, (864), 289 states have call predecessors, (864), 287 states have return successors, (877), 843 states have call predecessors, (877), 861 states have call successors, (877) [2021-11-12 23:35:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4453 transitions. [2021-11-12 23:35:49,814 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4453 transitions. Word has length 272 [2021-11-12 23:35:49,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:49,815 INFO L470 AbstractCegarLoop]: Abstraction has 3397 states and 4453 transitions. [2021-11-12 23:35:49,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.0) internal successors, (125), 25 states have internal predecessors, (125), 12 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2021-11-12 23:35:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4453 transitions. [2021-11-12 23:35:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-12 23:35:49,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:49,818 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2021-11-12 23:35:49,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-11-12 23:35:50,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:50,031 INFO L402 AbstractCegarLoop]: === Iteration 32 === 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 27 more)] === [2021-11-12 23:35:50,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:50,031 INFO L85 PathProgramCache]: Analyzing trace with hash -22047440, now seen corresponding path program 1 times [2021-11-12 23:35:50,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:50,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276665080] [2021-11-12 23:35:50,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:50,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:50,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:50,034 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:50,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-12 23:35:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:51,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:35:51,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-12 23:35:52,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-12 23:35:54,485 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:35:54,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276665080] [2021-11-12 23:35:54,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276665080] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:54,486 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:54,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-12 23:35:54,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062303320] [2021-11-12 23:35:54,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:54,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:35:54,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:35:54,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:35:54,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:35:54,487 INFO L87 Difference]: Start difference. First operand 3397 states and 4453 transitions. Second operand has 18 states, 18 states have (on average 8.61111111111111) internal successors, (155), 14 states have internal predecessors, (155), 4 states have call successors, (59), 2 states have call predecessors, (59), 6 states have return successors, (59), 8 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-12 23:35:57,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:57,577 INFO L93 Difference]: Finished difference Result 9838 states and 13700 transitions. [2021-11-12 23:35:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:35:57,578 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.61111111111111) internal successors, (155), 14 states have internal predecessors, (155), 4 states have call successors, (59), 2 states have call predecessors, (59), 6 states have return successors, (59), 8 states have call predecessors, (59), 4 states have call successors, (59) Word has length 309 [2021-11-12 23:35:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:57,605 INFO L225 Difference]: With dead ends: 9838 [2021-11-12 23:35:57,605 INFO L226 Difference]: Without dead ends: 6481 [2021-11-12 23:35:57,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:35:57,616 INFO L933 BasicCegarLoop]: 1698 mSDtfsCounter, 1094 mSDsluCounter, 20386 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1216.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 22084 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.32ms SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1410.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:57,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1399 Valid, 22084 Invalid, 418 Unknown, 0 Unchecked, 25.32ms Time], IncrementalHoareTripleChecker [157 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 1410.31ms Time] [2021-11-12 23:35:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6481 states. [2021-11-12 23:35:58,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6481 to 3408. [2021-11-12 23:35:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3408 states, 2248 states have (on average 1.209964412811388) internal successors, (2720), 2300 states have internal predecessors, (2720), 865 states have call successors, (865), 289 states have call predecessors, (865), 289 states have return successors, (881), 846 states have call predecessors, (881), 862 states have call successors, (881) [2021-11-12 23:35:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4466 transitions. [2021-11-12 23:35:58,593 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4466 transitions. Word has length 309 [2021-11-12 23:35:58,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:58,593 INFO L470 AbstractCegarLoop]: Abstraction has 3408 states and 4466 transitions. [2021-11-12 23:35:58,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.61111111111111) internal successors, (155), 14 states have internal predecessors, (155), 4 states have call successors, (59), 2 states have call predecessors, (59), 6 states have return successors, (59), 8 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-12 23:35:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4466 transitions. [2021-11-12 23:35:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-12 23:35:58,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:58,597 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2021-11-12 23:35:58,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:58,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:35:58,811 INFO L402 AbstractCegarLoop]: === Iteration 33 === 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 27 more)] === [2021-11-12 23:35:58,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 183750510, now seen corresponding path program 1 times [2021-11-12 23:35:58,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:35:58,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399496910] [2021-11-12 23:35:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:58,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:35:58,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:35:58,815 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:35:58,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-12 23:36:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:01,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:36:01,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-11-12 23:36:01,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-11-12 23:36:02,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:02,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399496910] [2021-11-12 23:36:02,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399496910] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:02,778 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:36:02,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-12 23:36:02,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952013805] [2021-11-12 23:36:02,778 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:02,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:36:02,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:02,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:36:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:36:02,780 INFO L87 Difference]: Start difference. First operand 3408 states and 4466 transitions. Second operand has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:36:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:36:03,928 INFO L93 Difference]: Finished difference Result 6521 states and 8519 transitions. [2021-11-12 23:36:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:36:03,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 330 [2021-11-12 23:36:03,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:36:03,943 INFO L225 Difference]: With dead ends: 6521 [2021-11-12 23:36:03,944 INFO L226 Difference]: Without dead ends: 3408 [2021-11-12 23:36:03,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:36:03,955 INFO L933 BasicCegarLoop]: 1352 mSDtfsCounter, 7 mSDsluCounter, 6720 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 397.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8072 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.50ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 427.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:36:03,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 8072 Invalid, 106 Unknown, 0 Unchecked, 10.50ms Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 26 Unchecked, 427.03ms Time] [2021-11-12 23:36:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2021-11-12 23:36:04,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3408. [2021-11-12 23:36:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3408 states, 2248 states have (on average 1.208185053380783) internal successors, (2716), 2300 states have internal predecessors, (2716), 865 states have call successors, (865), 289 states have call predecessors, (865), 289 states have return successors, (881), 846 states have call predecessors, (881), 862 states have call successors, (881) [2021-11-12 23:36:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4462 transitions. [2021-11-12 23:36:04,689 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4462 transitions. Word has length 330 [2021-11-12 23:36:04,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:36:04,689 INFO L470 AbstractCegarLoop]: Abstraction has 3408 states and 4462 transitions. [2021-11-12 23:36:04,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:36:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4462 transitions. [2021-11-12 23:36:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-12 23:36:04,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:04,693 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2021-11-12 23:36:04,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-12 23:36:04,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:04,894 INFO L402 AbstractCegarLoop]: === Iteration 34 === 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 27 more)] === [2021-11-12 23:36:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:04,894 INFO L85 PathProgramCache]: Analyzing trace with hash 441915948, now seen corresponding path program 1 times [2021-11-12 23:36:04,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:04,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789710137] [2021-11-12 23:36:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:04,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:04,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:04,900 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:04,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68338762-f9fb-48b1-b0a4-856ddf81f2a6/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-12 23:36:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:12,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-12 23:36:12,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:13,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-12 23:36:16,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-12 23:36:16,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-12 23:36:19,623 INFO L354 Elim1Store]: treesize reduction 1695, result has 2.5 percent of original size [2021-11-12 23:36:19,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 216 treesize of output 183 [2021-11-12 23:36:20,849 INFO L354 Elim1Store]: treesize reduction 1695, result has 2.5 percent of original size [2021-11-12 23:36:20,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 146 treesize of output 113 [2021-11-12 23:36:20,909 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-12 23:36:20,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 60 [2021-11-12 23:36:20,954 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-12 23:36:20,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2021-11-12 23:36:20,979 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:36:20,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2021-11-12 23:36:20,990 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-12 23:36:21,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-12 23:36:21,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-12 23:36:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-12 23:36:22,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:22,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:22,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-12 23:36:22,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:22,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-11-12 23:36:22,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:22,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 297 [2021-11-12 23:36:22,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:36:22,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-12 23:36:25,880 WARN L838 $PredicateComparison]: unable to prove that (forall ((|#t~string177.base| (_ BitVec 64)) (|v_iowarrior_delete_~#descriptor~1#1.offset_6| (_ BitVec 64)) (v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (|#t~string176.base| (_ BitVec 64)) (|#t~string179.base| (_ BitVec 64)) (|#t~string178.base| (_ BitVec 64)) (|#t~string176.offset| (_ BitVec 64)) (|#t~string177.offset| (_ BitVec 64)) (|v_iowarrior_delete_~#descriptor~1#1.base_6| (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (|#t~string178.offset| (_ BitVec 64)) (|#t~string179.offset| (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (select |c_#valid| |v_iowarrior_delete_~#descriptor~1#1.base_6|))) (= (_ bv0 64) (let ((.cse0 (bvadd (_ bv8 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse1 (bvadd (_ bv16 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse2 (bvadd (_ bv24 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse3 (bvadd (_ bv32 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse4 (bvadd (_ bv33 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse5 (bvadd (_ bv34 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse6 (bvadd (_ bv35 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse7 (bvadd (_ bv36 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse8 (bvadd (_ bv181 64) |c_iowarrior_delete_#in~dev#1.offset|))) (bvadd (select (select (store |c_#memory_$Pointer$.base| |v_iowarrior_delete_~#descriptor~1#1.base_6| (store (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_iowarrior_delete_~#descriptor~1#1.base_6|) |v_iowarrior_delete_~#descriptor~1#1.offset_6| |#t~string176.base|) .cse0 |#t~string177.base|) .cse1 |#t~string178.base|) .cse2 |#t~string179.base|) .cse3 v_DerPreprocessor_7) .cse4 v_DerPreprocessor_8) .cse5 v_DerPreprocessor_9) .cse6 v_DerPreprocessor_10) .cse7 v_DerPreprocessor_6)) |c_iowarrior_delete_#in~dev#1.base|) .cse8) (select (select (store |c_#memory_$Pointer$.offset| |v_iowarrior_delete_~#descriptor~1#1.base_6| (store (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_iowarrior_delete_~#descriptor~1#1.base_6|) |v_iowarrior_delete_~#descriptor~1#1.offset_6| |#t~string176.offset|) .cse0 |#t~string177.offset|) .cse1 |#t~string178.offset|) .cse2 |#t~string179.offset|) .cse3 v_DerPreprocessor_1) .cse4 v_DerPreprocessor_2) .cse5 v_DerPreprocessor_3) .cse6 v_DerPreprocessor_4) .cse7 v_DerPreprocessor_5)) |c_iowarrior_delete_#in~dev#1.base|) .cse8)))))) is different from false [2021-11-12 23:36:28,175 WARN L838 $PredicateComparison]: unable to prove that (forall ((|#t~string177.base| (_ BitVec 64)) (|v_iowarrior_delete_~#descriptor~1#1.offset_6| (_ BitVec 64)) (v_DerPreprocessor_9 (_ BitVec 64)) (v_DerPreprocessor_8 (_ BitVec 64)) (|#t~string176.base| (_ BitVec 64)) (|#t~string179.base| (_ BitVec 64)) (|#t~string178.base| (_ BitVec 64)) (|#t~string176.offset| (_ BitVec 64)) (|#t~string177.offset| (_ BitVec 64)) (|v_iowarrior_delete_~#descriptor~1#1.base_6| (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (|#t~string178.offset| (_ BitVec 64)) (|#t~string179.offset| (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_10 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (select |c_#valid| |v_iowarrior_delete_~#descriptor~1#1.base_6|))) (= (_ bv0 64) (let ((.cse0 (bvadd (_ bv8 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse1 (bvadd (_ bv16 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse2 (bvadd (_ bv24 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse3 (bvadd (_ bv32 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse4 (bvadd (_ bv33 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse5 (bvadd (_ bv34 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse6 (bvadd (_ bv35 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse7 (bvadd (_ bv36 64) |v_iowarrior_delete_~#descriptor~1#1.offset_6|)) (.cse8 (bvadd |c_ULTIMATE.start_iowarrior_probe_~dev~8#1.offset| (_ bv181 64)))) (bvadd (select (select (store |c_#memory_$Pointer$.offset| |v_iowarrior_delete_~#descriptor~1#1.base_6| (store (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_iowarrior_delete_~#descriptor~1#1.base_6|) |v_iowarrior_delete_~#descriptor~1#1.offset_6| |#t~string176.offset|) .cse0 |#t~string177.offset|) .cse1 |#t~string178.offset|) .cse2 |#t~string179.offset|) .cse3 v_DerPreprocessor_1) .cse4 v_DerPreprocessor_2) .cse5 v_DerPreprocessor_3) .cse6 v_DerPreprocessor_4) .cse7 v_DerPreprocessor_5)) |c_ULTIMATE.start_iowarrior_probe_~dev~8#1.base|) .cse8) (select (select (store |c_#memory_$Pointer$.base| |v_iowarrior_delete_~#descriptor~1#1.base_6| (store (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_iowarrior_delete_~#descriptor~1#1.base_6|) |v_iowarrior_delete_~#descriptor~1#1.offset_6| |#t~string176.base|) .cse0 |#t~string177.base|) .cse1 |#t~string178.base|) .cse2 |#t~string179.base|) .cse3 v_DerPreprocessor_7) .cse4 v_DerPreprocessor_8) .cse5 v_DerPreprocessor_9) .cse6 v_DerPreprocessor_10) .cse7 v_DerPreprocessor_6)) |c_ULTIMATE.start_iowarrior_probe_~dev~8#1.base|) .cse8)))))) is different from false [2021-11-12 23:36:58,382 WARN L227 SmtUtils]: Spent 29.92s on a formula simplification that was a NOOP. DAG size: 611 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)