./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52c48a46f48ee30070e7761992ebc9ae5b4404ec .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52c48a46f48ee30070e7761992ebc9ae5b4404ec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:10:42,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:10:42,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:10:42,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:10:42,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:10:42,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:10:42,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:10:42,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:10:42,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:10:42,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:10:42,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:10:42,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:10:42,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:10:42,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:10:42,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:10:42,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:10:42,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:10:42,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:10:42,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:10:42,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:10:42,883 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:10:42,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:10:42,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:10:42,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:10:42,886 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:10:42,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:10:42,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:10:42,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:10:42,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:10:42,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:10:42,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:10:42,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:10:42,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:10:42,890 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:10:42,890 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:10:42,891 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:10:42,891 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-28 12:10:42,900 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:10:42,900 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:10:42,901 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:10:42,901 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:10:42,901 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:10:42,901 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:10:42,902 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:10:42,902 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:10:42,902 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:10:42,902 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:10:42,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:10:42,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:10:42,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:10:42,903 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:10:42,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:10:42,904 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-28 12:10:42,904 INFO L133 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52c48a46f48ee30070e7761992ebc9ae5b4404ec [2018-11-28 12:10:42,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:10:42,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:10:42,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:10:42,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:10:42,938 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:10:42,938 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-11-28 12:10:42,975 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/1a7ad5bb0/ffa9e7fd8eeb4fc2b4dd1881f895f382/FLAGd0cacc19c [2018-11-28 12:10:43,555 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:10:43,556 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-11-28 12:10:43,591 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/1a7ad5bb0/ffa9e7fd8eeb4fc2b4dd1881f895f382/FLAGd0cacc19c [2018-11-28 12:10:43,745 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/1a7ad5bb0/ffa9e7fd8eeb4fc2b4dd1881f895f382 [2018-11-28 12:10:43,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:10:43,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:10:43,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:10:43,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:10:43,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:10:43,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:10:43" (1/1) ... [2018-11-28 12:10:43,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749eca49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:43, skipping insertion in model container [2018-11-28 12:10:43,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:10:43" (1/1) ... [2018-11-28 12:10:43,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:10:43,871 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:10:46,548 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:10:46,567 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:10:46,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:10:47,200 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:10:47,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47 WrapperNode [2018-11-28 12:10:47,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:10:47,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:10:47,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:10:47,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:10:47,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:10:47,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:10:47,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:10:47,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:10:47,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... [2018-11-28 12:10:47,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:10:47,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:10:47,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:10:47,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:10:47,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:10:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2018-11-28 12:10:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2018-11-28 12:10:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2018-11-28 12:10:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2018-11-28 12:10:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2018-11-28 12:10:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2018-11-28 12:10:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2018-11-28 12:10:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2018-11-28 12:10:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2018-11-28 12:10:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2018-11-28 12:10:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2018-11-28 12:10:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2018-11-28 12:10:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2018-11-28 12:10:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2018-11-28 12:10:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2018-11-28 12:10:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2018-11-28 12:10:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2018-11-28 12:10:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2018-11-28 12:10:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2018-11-28 12:10:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2018-11-28 12:10:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2018-11-28 12:10:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2018-11-28 12:10:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2018-11-28 12:10:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2018-11-28 12:10:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2018-11-28 12:10:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2018-11-28 12:10:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2018-11-28 12:10:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2018-11-28 12:10:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2018-11-28 12:10:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2018-11-28 12:10:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2018-11-28 12:10:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2018-11-28 12:10:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-28 12:10:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2018-11-28 12:10:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2018-11-28 12:10:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2018-11-28 12:10:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2018-11-28 12:10:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2018-11-28 12:10:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_task_tag [2018-11-28 12:10:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_task_tag [2018-11-28 12:10:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 12:10:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 12:10:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2018-11-28 12:10:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2018-11-28 12:10:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2018-11-28 12:10:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2018-11-28 12:10:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_deregister_configfs [2018-11-28 12:10:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_deregister_configfs [2018-11-28 12:10:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups [2018-11-28 12:10:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups [2018-11-28 12:10:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_59 [2018-11-28 12:10:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_59 [2018-11-28 12:10:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_57 [2018-11-28 12:10:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_57 [2018-11-28 12:10:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_58 [2018-11-28 12:10:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_58 [2018-11-28 12:10:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_wwn_show_attr_version [2018-11-28 12:10:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_wwn_show_attr_version [2018-11-28 12:10:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ctl_handle_kick [2018-11-28 12:10:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ctl_handle_kick [2018-11-28 12:10:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_true [2018-11-28 12:10:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_true [2018-11-28 12:10:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2018-11-28 12:10:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_indirect [2018-11-28 12:10:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure get_indirect [2018-11-28 12:10:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-11-28 12:10:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-11-28 12:10:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-11-28 12:10:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2018-11-28 12:10:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2018-11-28 12:10:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2018-11-28 12:10:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2018-11-28 12:10:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2018-11-28 12:10:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2018-11-28 12:10:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2018-11-28 12:10:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure find_region [2018-11-28 12:10:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure find_region [2018-11-28 12:10:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure transport_deregister_session [2018-11-28 12:10:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_deregister_session [2018-11-28 12:10:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_47 [2018-11-28 12:10:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_47 [2018-11-28 12:10:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2018-11-28 12:10:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2018-11-28 12:10:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2018-11-28 12:10:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2018-11-28 12:10:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_43 [2018-11-28 12:10:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_43 [2018-11-28 12:10:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2018-11-28 12:10:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2018-11-28 12:10:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-28 12:10:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-28 12:10:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_init [2018-11-28 12:10:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_init [2018-11-28 12:10:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-11-28 12:10:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2018-11-28 12:10:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2018-11-28 12:10:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2018-11-28 12:10:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2018-11-28 12:10:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2018-11-28 12:10:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2018-11-28 12:10:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2018-11-28 12:10:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_63 [2018-11-28 12:10:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_63 [2018-11-28 12:10:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_60 [2018-11-28 12:10:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_60 [2018-11-28 12:10:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_61 [2018-11-28 12:10:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_61 [2018-11-28 12:10:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_del_initiator_node_acl [2018-11-28 12:10:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_del_initiator_node_acl [2018-11-28 12:10:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_evt_handle_kick [2018-11-28 12:10:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_evt_handle_kick [2018-11-28 12:10:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_68 [2018-11-28 12:10:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_68 [2018-11-28 12:10:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_kick [2018-11-28 12:10:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_kick [2018-11-28 12:10:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_66 [2018-11-28 12:10:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_66 [2018-11-28 12:10:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2018-11-28 12:10:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2018-11-28 12:10:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_64 [2018-11-28 12:10:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_64 [2018-11-28 12:10:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-28 12:10:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-28 12:10:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2018-11-28 12:10:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2018-11-28 12:10:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-28 12:10:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-28 12:10:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_avail_event [2018-11-28 12:10:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_avail_event [2018-11-28 12:10:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2018-11-28 12:10:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2018-11-28 12:10:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2018-11-28 12:10:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2018-11-28 12:10:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2018-11-28 12:10:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tpg [2018-11-28 12:10:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tpg [2018-11-28 12:10:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2018-11-28 12:10:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2018-11-28 12:10:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:10:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-11-28 12:10:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-11-28 12:10:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-28 12:10:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2018-11-28 12:10:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-28 12:10:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-28 12:10:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2018-11-28 12:10:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2018-11-28 12:10:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_register [2018-11-28 12:10:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_register [2018-11-28 12:10:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2018-11-28 12:10:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2018-11-28 12:10:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2018-11-28 12:10:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2018-11-28 12:10:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2018-11-28 12:10:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2018-11-28 12:10:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-28 12:10:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2018-11-28 12:10:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2018-11-28 12:10:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2018-11-28 12:10:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 12:10:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_done_signal [2018-11-28 12:10:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_done_signal [2018-11-28 12:10:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-28 12:10:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2018-11-28 12:10:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending [2018-11-28 12:10:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending [2018-11-28 12:10:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2018-11-28 12:10:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2018-11-28 12:10:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_endpoint [2018-11-28 12:10:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_endpoint [2018-11-28 12:10:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2018-11-28 12:10:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-28 12:10:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_data_in [2018-11-28 12:10:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_data_in [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-28 12:10:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:10:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 12:10:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 12:10:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2018-11-28 12:10:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2018-11-28 12:10:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure vring_need_event [2018-11-28 12:10:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_need_event [2018-11-28 12:10:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_parse_pr_out_transport_id [2018-11-28 12:10:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_parse_pr_out_transport_id [2018-11-28 12:10:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_to_sgl [2018-11-28 12:10:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_to_sgl [2018-11-28 12:10:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_unlink [2018-11-28 12:10:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_unlink [2018-11-28 12:10:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit_to_user [2018-11-28 12:10:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit_to_user [2018-11-28 12:10:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2018-11-28 12:10:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-28 12:10:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-28 12:10:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2018-11-28 12:10:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2018-11-28 12:10:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-28 12:10:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-28 12:10:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2018-11-28 12:10:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2018-11-28 12:10:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2018-11-28 12:10:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2018-11-28 12:10:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2018-11-28 12:10:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2018-11-28 12:10:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-28 12:10:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-28 12:10:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2018-11-28 12:10:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2018-11-28 12:10:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2018-11-28 12:10:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2018-11-28 12:10:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-11-28 12:10:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-11-28 12:10:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2018-11-28 12:10:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2018-11-28 12:10:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-11-28 12:10:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-11-28 12:10:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2018-11-28 12:10:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2018-11-28 12:10:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-28 12:10:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-28 12:10:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_free_iovecs [2018-11-28 12:10:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_free_iovecs [2018-11-28 12:10:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:10:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:10:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:10:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovec [2018-11-28 12:10:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovec [2018-11-28 12:10:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-28 12:10:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2018-11-28 12:10:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2018-11-28 12:10:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:10:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:10:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-28 12:10:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2018-11-28 12:10:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id [2018-11-28 12:10:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id [2018-11-28 12:10:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-11-28 12:10:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-11-28 12:10:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tport [2018-11-28 12:10:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tport [2018-11-28 12:10:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-28 12:10:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2018-11-28 12:10:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2018-11-28 12:10:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2018-11-28 12:10:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2018-11-28 12:10:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2018-11-28 12:10:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2018-11-28 12:10:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2018-11-28 12:10:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2018-11-28 12:10:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2018-11-28 12:10:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2018-11-28 12:10:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2018-11-28 12:10:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_memory [2018-11-28 12:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_memory [2018-11-28 12:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_alloc_iovecs [2018-11-28 12:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_alloc_iovecs [2018-11-28 12:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-28 12:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2018-11-28 12:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_proto_ident [2018-11-28 12:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_proto_ident [2018-11-28 12:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-28 12:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-11-28 12:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id [2018-11-28 12:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id [2018-11-28 12:10:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2018-11-28 12:10:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2018-11-28 12:10:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_cmd_state [2018-11-28 12:10:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_cmd_state [2018-11-28 12:10:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2018-11-28 12:10:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2018-11-28 12:10:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2018-11-28 12:10:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2018-11-28 12:10:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2018-11-28 12:10:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2018-11-28 12:10:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_nodeacl [2018-11-28 12:10:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_nodeacl [2018-11-28 12:10:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2018-11-28 12:10:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2018-11-28 12:10:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-28 12:10:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-11-28 12:10:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2018-11-28 12:10:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2018-11-28 12:10:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-28 12:10:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-28 12:10:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-11-28 12:10:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-11-28 12:10:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_name [2018-11-28 12:10:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_name [2018-11-28 12:10:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2018-11-28 12:10:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2018-11-28 12:10:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2018-11-28 12:10:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2018-11-28 12:10:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2018-11-28 12:10:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2018-11-28 12:10:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_iov_to_sgl [2018-11-28 12:10:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_iov_to_sgl [2018-11-28 12:10:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-28 12:10:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2018-11-28 12:10:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:10:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:10:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2018-11-28 12:10:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2018-11-28 12:10:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2018-11-28 12:10:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2018-11-28 12:10:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-28 12:10:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-28 12:10:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2018-11-28 12:10:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2018-11-28 12:10:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id_len [2018-11-28 12:10:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id_len [2018-11-28 12:10:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2018-11-28 12:10:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2018-11-28 12:10:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2018-11-28 12:10:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2018-11-28 12:10:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2018-11-28 12:10:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2018-11-28 12:10:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2018-11-28 12:10:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2018-11-28 12:10:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2018-11-28 12:10:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2018-11-28 12:10:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2018-11-28 12:10:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2018-11-28 12:10:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-28 12:10:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-28 12:10:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2018-11-28 12:10:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2018-11-28 12:10:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_shutdown_session [2018-11-28 12:10:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_shutdown_session [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2018-11-28 12:10:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-11-28 12:10:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2018-11-28 12:10:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-28 12:10:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-28 12:10:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2018-11-28 12:10:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2018-11-28 12:10:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_ioctl [2018-11-28 12:10:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_ioctl [2018-11-28 12:10:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-11-28 12:10:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2018-11-28 12:10:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-11-28 12:10:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2018-11-28 12:10:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2018-11-28 12:10:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2018-11-28 12:10:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2018-11-28 12:10:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-28 12:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-11-28 12:10:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-28 12:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-28 12:10:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-28 12:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-28 12:10:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush [2018-11-28 12:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush [2018-11-28 12:10:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_mm [2018-11-28 12:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_mm [2018-11-28 12:10:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_deregister [2018-11-28 12:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_deregister [2018-11-28 12:10:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_parse_pr_out_transport_id [2018-11-28 12:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_parse_pr_out_transport_id [2018-11-28 12:10:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-28 12:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-28 12:10:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 12:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 12:10:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2018-11-28 12:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2018-11-28 12:10:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_fabric_proto_ident [2018-11-28 12:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_fabric_proto_ident [2018-11-28 12:10:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2018-11-28 12:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2018-11-28 12:10:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_wakeup [2018-11-28 12:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_wakeup [2018-11-28 12:10:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:10:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-28 12:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-11-28 12:10:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-11-28 12:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-11-28 12:10:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2018-11-28 12:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2018-11-28 12:10:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending_status [2018-11-28 12:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending_status [2018-11-28 12:10:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2018-11-28 12:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2018-11-28 12:10:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2018-11-28 12:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2018-11-28 12:10:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-28 12:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-28 12:10:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure target_submit_cmd_map_sgls [2018-11-28 12:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure target_submit_cmd_map_sgls [2018-11-28 12:10:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-28 12:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-28 12:10:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2018-11-28 12:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2018-11-28 12:10:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:10:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2018-11-28 12:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2018-11-28 12:10:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_46 [2018-11-28 12:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_46 [2018-11-28 12:10:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_48 [2018-11-28 12:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_48 [2018-11-28 12:10:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2018-11-28 12:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2018-11-28 12:10:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_44 [2018-11-28 12:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_44 [2018-11-28 12:10:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2018-11-28 12:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2018-11-28 12:10:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2018-11-28 12:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2018-11-28 12:10:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2018-11-28 12:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_get_cmd_from_completion [2018-11-28 12:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_get_cmd_from_completion [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2018-11-28 12:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_add_initiator_node_acl [2018-11-28 12:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_add_initiator_node_acl [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2018-11-28 12:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2018-11-28 12:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2018-11-28 12:10:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-28 12:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2018-11-28 12:10:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2018-11-28 12:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2018-11-28 12:10:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_log_access_ok [2018-11-28 12:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_log_access_ok [2018-11-28 12:10:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2018-11-28 12:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2018-11-28 12:10:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2018-11-28 12:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2018-11-28 12:10:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-28 12:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2018-11-28 12:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-28 12:10:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-28 12:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2018-11-28 12:10:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2018-11-28 12:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-28 12:10:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2018-11-28 12:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_vring [2018-11-28 12:10:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_vring [2018-11-28 12:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id_len [2018-11-28 12:10:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id_len [2018-11-28 12:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2018-11-28 12:10:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2018-11-28 12:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-28 12:10:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2018-11-28 12:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_get_inst_index [2018-11-28 12:10:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_get_inst_index [2018-11-28 12:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2018-11-28 12:10:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2018-11-28 12:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2018-11-28 12:10:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2018-11-28 12:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2018-11-28 12:10:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2018-11-28 12:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2018-11-28 12:10:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2018-11-28 12:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2018-11-28 12:10:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2018-11-28 12:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2018-11-28 12:10:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2018-11-28 12:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id [2018-11-28 12:10:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id [2018-11-28 12:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2018-11-28 12:10:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2018-11-28 12:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2018-11-28 12:10:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2018-11-28 12:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_wwn [2018-11-28 12:10:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_wwn [2018-11-28 12:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2018-11-28 12:10:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2018-11-28 12:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-28 12:10:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-28 12:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-11-28 12:10:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-11-28 12:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2018-11-28 12:10:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2018-11-28 12:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd_work [2018-11-28 12:10:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd_work [2018-11-28 12:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_exit [2018-11-28 12:10:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_exit [2018-11-28 12:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2018-11-28 12:10:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2018-11-28 12:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_free_cmd [2018-11-28 12:10:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_free_cmd [2018-11-28 12:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2018-11-28 12:10:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2018-11-28 12:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_status [2018-11-28 12:10:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_status [2018-11-28 12:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_varlen_cdb_length [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_varlen_cdb_length [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure fc_parse_pr_out_transport_id [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_parse_pr_out_transport_id [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-11-28 12:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_init [2018-11-28 12:10:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_init [2018-11-28 12:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2018-11-28 12:10:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2018-11-28 12:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2018-11-28 12:10:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2018-11-28 12:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_features [2018-11-28 12:10:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_features [2018-11-28 12:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_tm_rsp [2018-11-28 12:10:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_tm_rsp [2018-11-28 12:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-11-28 12:10:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-11-28 12:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-28 12:10:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-28 12:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_dirty_lock [2018-11-28 12:10:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_dirty_lock [2018-11-28 12:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id_len [2018-11-28 12:10:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id_len [2018-11-28 12:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2018-11-28 12:10:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2018-11-28 12:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2018-11-28 12:10:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2018-11-28 12:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_67 [2018-11-28 12:10:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_67 [2018-11-28 12:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_notify [2018-11-28 12:10:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_notify [2018-11-28 12:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_compat_ioctl [2018-11-28 12:10:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_compat_ioctl [2018-11-28 12:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_register_configfs [2018-11-28 12:10:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_register_configfs [2018-11-28 12:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_65 [2018-11-28 12:10:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_65 [2018-11-28 12:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_default_depth [2018-11-28 12:10:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_default_depth [2018-11-28 12:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_62 [2018-11-28 12:10:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_62 [2018-11-28 12:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_set_owner [2018-11-28 12:10:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_set_owner [2018-11-28 12:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2018-11-28 12:10:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2018-11-28 12:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_tag [2018-11-28 12:10:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_tag [2018-11-28 12:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-28 12:10:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-28 12:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2018-11-28 12:10:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2018-11-28 12:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2018-11-28 12:10:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-11-28 12:10:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2018-11-28 12:10:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2018-11-28 12:10:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2018-11-28 12:10:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2018-11-28 12:10:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_allocate_cmd [2018-11-28 12:10:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_allocate_cmd [2018-11-28 12:10:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2018-11-28 12:10:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2018-11-28 12:10:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2018-11-28 12:10:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2018-11-28 12:10:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2018-11-28 12:10:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2018-11-28 12:10:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-28 12:10:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2018-11-28 12:10:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure cgroup_attach_task_all [2018-11-28 12:10:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cgroup_attach_task_all [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_sess_get_index [2018-11-28 12:10:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_sess_get_index [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2018-11-28 12:10:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_false [2018-11-28 12:10:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_false [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2018-11-28 12:10:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2018-11-28 12:10:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2018-11-28 12:10:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2018-11-28 12:10:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2018-11-28 12:10:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2018-11-28 12:10:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups_work [2018-11-28 12:10:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups_work [2018-11-28 12:10:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2018-11-28 12:10:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2018-11-28 12:10:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2018-11-28 12:10:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2018-11-28 12:10:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-11-28 12:10:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2018-11-28 12:10:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-28 12:10:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-28 12:10:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2018-11-28 12:10:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2018-11-28 12:10:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure target_execute_cmd [2018-11-28 12:10:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure target_execute_cmd [2018-11-28 12:10:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_show_nexus [2018-11-28 12:10:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_show_nexus [2018-11-28 12:10:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2018-11-28 12:10:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2018-11-28 12:10:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_fabric_proto_ident [2018-11-28 12:10:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_fabric_proto_ident [2018-11-28 12:10:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2018-11-28 12:10:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2018-11-28 12:10:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2018-11-28 12:10:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2018-11-28 12:10:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-11-28 12:10:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-11-28 12:10:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:10:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2018-11-28 12:10:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2018-11-28 12:10:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-28 12:10:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-28 12:10:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-28 12:10:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-28 12:10:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_vq [2018-11-28 12:10:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_vq [2018-11-28 12:10:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_submission_work [2018-11-28 12:10:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_submission_work [2018-11-28 12:10:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2018-11-28 12:10:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2018-11-28 12:11:06,552 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:11:06,552 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:11:06,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:11:06 BoogieIcfgContainer [2018-11-28 12:11:06,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:11:06,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:11:06,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:11:06,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:11:06,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:10:43" (1/3) ... [2018-11-28 12:11:06,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed0f44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:11:06, skipping insertion in model container [2018-11-28 12:11:06,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:47" (2/3) ... [2018-11-28 12:11:06,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed0f44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:11:06, skipping insertion in model container [2018-11-28 12:11:06,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:11:06" (3/3) ... [2018-11-28 12:11:06,558 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-11-28 12:11:06,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:11:06,573 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:11:06,583 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:11:06,613 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:11:06,614 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:11:06,614 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:11:06,614 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:11:06,614 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:11:06,614 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:11:06,614 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:11:06,614 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:11:06,614 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:11:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states. [2018-11-28 12:11:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 12:11:06,660 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:06,660 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:06,662 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:06,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:06,666 INFO L82 PathProgramCache]: Analyzing trace with hash -409165872, now seen corresponding path program 1 times [2018-11-28 12:11:06,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:06,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:06,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:06,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:06,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:07,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:07,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:07,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:07,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:07,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:07,350 INFO L87 Difference]: Start difference. First operand 3130 states. Second operand 3 states. [2018-11-28 12:11:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:10,398 INFO L93 Difference]: Finished difference Result 6179 states and 8512 transitions. [2018-11-28 12:11:10,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:10,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-28 12:11:10,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:10,425 INFO L225 Difference]: With dead ends: 6179 [2018-11-28 12:11:10,425 INFO L226 Difference]: Without dead ends: 3106 [2018-11-28 12:11:10,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:10,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2018-11-28 12:11:10,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3106. [2018-11-28 12:11:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3106 states. [2018-11-28 12:11:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4192 transitions. [2018-11-28 12:11:10,580 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4192 transitions. Word has length 25 [2018-11-28 12:11:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:10,581 INFO L480 AbstractCegarLoop]: Abstraction has 3106 states and 4192 transitions. [2018-11-28 12:11:10,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4192 transitions. [2018-11-28 12:11:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 12:11:10,582 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:10,582 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:10,583 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:10,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:10,583 INFO L82 PathProgramCache]: Analyzing trace with hash 198907445, now seen corresponding path program 1 times [2018-11-28 12:11:10,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:10,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:10,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:10,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:10,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:10,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:10,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:10,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:10,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:10,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:10,884 INFO L87 Difference]: Start difference. First operand 3106 states and 4192 transitions. Second operand 3 states. [2018-11-28 12:11:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:13,792 INFO L93 Difference]: Finished difference Result 3108 states and 4193 transitions. [2018-11-28 12:11:13,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:13,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-28 12:11:13,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:13,807 INFO L225 Difference]: With dead ends: 3108 [2018-11-28 12:11:13,807 INFO L226 Difference]: Without dead ends: 3105 [2018-11-28 12:11:13,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:13,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3105 states. [2018-11-28 12:11:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3105 to 3105. [2018-11-28 12:11:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3105 states. [2018-11-28 12:11:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4190 transitions. [2018-11-28 12:11:13,938 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4190 transitions. Word has length 26 [2018-11-28 12:11:13,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:13,938 INFO L480 AbstractCegarLoop]: Abstraction has 3105 states and 4190 transitions. [2018-11-28 12:11:13,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4190 transitions. [2018-11-28 12:11:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 12:11:13,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:13,939 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:13,939 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:13,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:13,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1869315955, now seen corresponding path program 1 times [2018-11-28 12:11:13,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:13,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:13,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:13,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:13,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:14,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:14,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:14,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:14,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:14,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:14,209 INFO L87 Difference]: Start difference. First operand 3105 states and 4190 transitions. Second operand 3 states. [2018-11-28 12:11:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:17,225 INFO L93 Difference]: Finished difference Result 3107 states and 4191 transitions. [2018-11-28 12:11:17,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:17,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-11-28 12:11:17,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:17,239 INFO L225 Difference]: With dead ends: 3107 [2018-11-28 12:11:17,239 INFO L226 Difference]: Without dead ends: 3104 [2018-11-28 12:11:17,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2018-11-28 12:11:17,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3104. [2018-11-28 12:11:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3104 states. [2018-11-28 12:11:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4188 transitions. [2018-11-28 12:11:17,360 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4188 transitions. Word has length 27 [2018-11-28 12:11:17,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:17,360 INFO L480 AbstractCegarLoop]: Abstraction has 3104 states and 4188 transitions. [2018-11-28 12:11:17,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4188 transitions. [2018-11-28 12:11:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 12:11:17,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:17,361 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:17,361 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:17,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash 2112377080, now seen corresponding path program 1 times [2018-11-28 12:11:17,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:17,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:17,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:17,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:17,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:17,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:17,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:17,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:17,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:17,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:17,621 INFO L87 Difference]: Start difference. First operand 3104 states and 4188 transitions. Second operand 3 states. [2018-11-28 12:11:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:20,839 INFO L93 Difference]: Finished difference Result 7281 states and 9725 transitions. [2018-11-28 12:11:20,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:20,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-11-28 12:11:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:20,853 INFO L225 Difference]: With dead ends: 7281 [2018-11-28 12:11:20,853 INFO L226 Difference]: Without dead ends: 4245 [2018-11-28 12:11:20,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:20,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4245 states. [2018-11-28 12:11:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4245 to 4238. [2018-11-28 12:11:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4238 states. [2018-11-28 12:11:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 5600 transitions. [2018-11-28 12:11:20,987 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 5600 transitions. Word has length 28 [2018-11-28 12:11:20,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:20,987 INFO L480 AbstractCegarLoop]: Abstraction has 4238 states and 5600 transitions. [2018-11-28 12:11:20,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 5600 transitions. [2018-11-28 12:11:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 12:11:20,988 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:20,988 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:20,988 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:20,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:20,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1057342230, now seen corresponding path program 1 times [2018-11-28 12:11:20,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:20,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:20,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:20,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:21,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:21,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:21,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:21,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:21,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:21,167 INFO L87 Difference]: Start difference. First operand 4238 states and 5600 transitions. Second operand 3 states. [2018-11-28 12:11:24,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:24,174 INFO L93 Difference]: Finished difference Result 4277 states and 5631 transitions. [2018-11-28 12:11:24,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:24,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-28 12:11:24,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:24,192 INFO L225 Difference]: With dead ends: 4277 [2018-11-28 12:11:24,192 INFO L226 Difference]: Without dead ends: 4273 [2018-11-28 12:11:24,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2018-11-28 12:11:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4269. [2018-11-28 12:11:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4269 states. [2018-11-28 12:11:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 5622 transitions. [2018-11-28 12:11:24,359 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 5622 transitions. Word has length 29 [2018-11-28 12:11:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:24,359 INFO L480 AbstractCegarLoop]: Abstraction has 4269 states and 5622 transitions. [2018-11-28 12:11:24,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 5622 transitions. [2018-11-28 12:11:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 12:11:24,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:24,360 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:24,360 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:24,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:24,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1583962181, now seen corresponding path program 1 times [2018-11-28 12:11:24,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:24,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:24,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:24,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:24,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:24,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:24,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:24,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:24,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:24,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:24,605 INFO L87 Difference]: Start difference. First operand 4269 states and 5622 transitions. Second operand 3 states. [2018-11-28 12:11:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:27,706 INFO L93 Difference]: Finished difference Result 4303 states and 5656 transitions. [2018-11-28 12:11:27,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:27,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-28 12:11:27,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:27,723 INFO L225 Difference]: With dead ends: 4303 [2018-11-28 12:11:27,724 INFO L226 Difference]: Without dead ends: 4271 [2018-11-28 12:11:27,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:27,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2018-11-28 12:11:27,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 4269. [2018-11-28 12:11:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4269 states. [2018-11-28 12:11:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 5612 transitions. [2018-11-28 12:11:27,907 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 5612 transitions. Word has length 30 [2018-11-28 12:11:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:27,907 INFO L480 AbstractCegarLoop]: Abstraction has 4269 states and 5612 transitions. [2018-11-28 12:11:27,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 5612 transitions. [2018-11-28 12:11:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 12:11:27,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:27,913 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:11:27,913 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:27,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:27,913 INFO L82 PathProgramCache]: Analyzing trace with hash -121141826, now seen corresponding path program 1 times [2018-11-28 12:11:27,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:27,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:27,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:27,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:27,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:11:28,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:28,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:11:28,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:28,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:28,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:28,223 INFO L87 Difference]: Start difference. First operand 4269 states and 5612 transitions. Second operand 3 states. [2018-11-28 12:11:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:28,407 INFO L93 Difference]: Finished difference Result 8592 states and 11374 transitions. [2018-11-28 12:11:28,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:28,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-11-28 12:11:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:28,426 INFO L225 Difference]: With dead ends: 8592 [2018-11-28 12:11:28,426 INFO L226 Difference]: Without dead ends: 4410 [2018-11-28 12:11:28,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2018-11-28 12:11:28,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 4410. [2018-11-28 12:11:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4410 states. [2018-11-28 12:11:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4410 states to 4410 states and 5861 transitions. [2018-11-28 12:11:28,622 INFO L78 Accepts]: Start accepts. Automaton has 4410 states and 5861 transitions. Word has length 70 [2018-11-28 12:11:28,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:28,622 INFO L480 AbstractCegarLoop]: Abstraction has 4410 states and 5861 transitions. [2018-11-28 12:11:28,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4410 states and 5861 transitions. [2018-11-28 12:11:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 12:11:28,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:28,626 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:11:28,626 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:28,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:28,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1329528918, now seen corresponding path program 1 times [2018-11-28 12:11:28,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:28,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:28,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:28,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:28,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:11:28,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:28,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:11:28,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:11:28,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:11:28,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:11:28,949 INFO L87 Difference]: Start difference. First operand 4410 states and 5861 transitions. Second operand 4 states. [2018-11-28 12:11:40,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:40,995 INFO L93 Difference]: Finished difference Result 6585 states and 8692 transitions. [2018-11-28 12:11:40,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:11:40,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2018-11-28 12:11:40,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:41,009 INFO L225 Difference]: With dead ends: 6585 [2018-11-28 12:11:41,009 INFO L226 Difference]: Without dead ends: 3472 [2018-11-28 12:11:41,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:11:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2018-11-28 12:11:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3353. [2018-11-28 12:11:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3353 states. [2018-11-28 12:11:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 4432 transitions. [2018-11-28 12:11:41,158 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 4432 transitions. Word has length 73 [2018-11-28 12:11:41,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:41,158 INFO L480 AbstractCegarLoop]: Abstraction has 3353 states and 4432 transitions. [2018-11-28 12:11:41,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:11:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 4432 transitions. [2018-11-28 12:11:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-28 12:11:41,162 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:41,162 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:11:41,162 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:41,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:41,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1046606967, now seen corresponding path program 1 times [2018-11-28 12:11:41,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:41,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:41,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:41,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:41,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:11:41,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:41,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:11:41,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:11:41,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:11:41,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:11:41,475 INFO L87 Difference]: Start difference. First operand 3353 states and 4432 transitions. Second operand 6 states. [2018-11-28 12:11:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:41,644 INFO L93 Difference]: Finished difference Result 6624 states and 8768 transitions. [2018-11-28 12:11:41,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:11:41,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-11-28 12:11:41,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:41,658 INFO L225 Difference]: With dead ends: 6624 [2018-11-28 12:11:41,658 INFO L226 Difference]: Without dead ends: 3353 [2018-11-28 12:11:41,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:11:41,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2018-11-28 12:11:41,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 3353. [2018-11-28 12:11:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3353 states. [2018-11-28 12:11:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 4431 transitions. [2018-11-28 12:11:41,800 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 4431 transitions. Word has length 97 [2018-11-28 12:11:41,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:41,801 INFO L480 AbstractCegarLoop]: Abstraction has 3353 states and 4431 transitions. [2018-11-28 12:11:41,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:11:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 4431 transitions. [2018-11-28 12:11:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-28 12:11:41,804 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:41,805 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:11:41,805 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:41,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:41,805 INFO L82 PathProgramCache]: Analyzing trace with hash -684037383, now seen corresponding path program 1 times [2018-11-28 12:11:41,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:41,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:41,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:41,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:41,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:11:42,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:42,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:11:42,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:11:42,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:11:42,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:11:42,099 INFO L87 Difference]: Start difference. First operand 3353 states and 4431 transitions. Second operand 6 states. [2018-11-28 12:11:42,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:42,366 INFO L93 Difference]: Finished difference Result 6623 states and 8766 transitions. [2018-11-28 12:11:42,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:11:42,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-28 12:11:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:42,379 INFO L225 Difference]: With dead ends: 6623 [2018-11-28 12:11:42,379 INFO L226 Difference]: Without dead ends: 3338 [2018-11-28 12:11:42,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:11:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3338 states. [2018-11-28 12:11:42,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3338 to 3338. [2018-11-28 12:11:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3338 states. [2018-11-28 12:11:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 3338 states and 4414 transitions. [2018-11-28 12:11:42,511 INFO L78 Accepts]: Start accepts. Automaton has 3338 states and 4414 transitions. Word has length 120 [2018-11-28 12:11:42,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:42,511 INFO L480 AbstractCegarLoop]: Abstraction has 3338 states and 4414 transitions. [2018-11-28 12:11:42,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:11:42,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 4414 transitions. [2018-11-28 12:11:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 12:11:42,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:42,515 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:42,515 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:42,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1901753571, now seen corresponding path program 1 times [2018-11-28 12:11:42,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:42,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:42,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:42,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:42,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 12:11:43,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:11:43,203 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:11:43,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:50,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:11:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:11:50,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:11:50,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 20 [2018-11-28 12:11:50,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-28 12:11:50,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-28 12:11:50,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-11-28 12:11:50,704 INFO L87 Difference]: Start difference. First operand 3338 states and 4414 transitions. Second operand 20 states. [2018-11-28 12:11:55,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:55,760 INFO L93 Difference]: Finished difference Result 6614 states and 8755 transitions. [2018-11-28 12:11:55,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:11:55,760 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 153 [2018-11-28 12:11:55,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:55,772 INFO L225 Difference]: With dead ends: 6614 [2018-11-28 12:11:55,772 INFO L226 Difference]: Without dead ends: 3333 [2018-11-28 12:11:55,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2018-11-28 12:11:55,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2018-11-28 12:11:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3333. [2018-11-28 12:11:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3333 states. [2018-11-28 12:11:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 4407 transitions. [2018-11-28 12:11:55,877 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 4407 transitions. Word has length 153 [2018-11-28 12:11:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:55,878 INFO L480 AbstractCegarLoop]: Abstraction has 3333 states and 4407 transitions. [2018-11-28 12:11:55,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-28 12:11:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 4407 transitions. [2018-11-28 12:11:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-28 12:11:55,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:55,881 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:55,882 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:11:55,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:55,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1163039197, now seen corresponding path program 1 times [2018-11-28 12:11:55,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:55,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:55,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:55,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:55,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:11:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:11:57,418 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:11:58,205 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968215 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-11-28 12:11:58,205 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967457 could not be translated for associated CType STRUCT~~miscdevice?minor~INT?name~*CHAR?fops~*file_operations?list~STRUCT~~list_head?next~*list_head?prev~*list_head#?parent~*device?this_device~*device?nodename~*CHAR?mode~~umode_t~0# [2018-11-28 12:11:58,206 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967721 could not be translated for associated CType STRUCT~~target_fabric_tpg_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*se_portal_group *CHAR ) : UINT)?store~*((*se_portal_group *CHAR UINT ) : UINT)# [2018-11-28 12:11:58,206 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967896 could not be translated for associated CType STRUCT~~miscdevice?minor~INT?name~*CHAR?fops~*file_operations?list~STRUCT~~list_head?next~*list_head?prev~*list_head#?parent~*device?this_device~*device?nodename~*CHAR?mode~~umode_t~0# [2018-11-28 12:11:58,206 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967579 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# [2018-11-28 12:11:58,207 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967976 could not be translated for associated CType STRUCT~~target_fabric_wwn_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*target_fabric_configfs *CHAR ) : UINT)?store~*((*target_fabric_configfs *CHAR UINT ) : UINT)# [2018-11-28 12:11:58,207 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967594 could not be translated for associated CType STRUCT~~mutex?count~~atomic_t~0?wait_lock~~spinlock_t~0?wait_list~STRUCT~~list_head?next~*list_head?prev~*list_head#?owner~*task_struct?name~*CHAR?magic~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## [2018-11-28 12:11:58,207 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968268 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-11-28 12:11:58,207 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968059 could not be translated for associated CType STRUCT~~target_fabric_wwn_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*target_fabric_configfs *CHAR ) : UINT)?store~*((*target_fabric_configfs *CHAR UINT ) : UINT)# [2018-11-28 12:11:58,208 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968291 could not be translated for associated CType STRUCT~~target_core_fabric_ops?tf_subsys~*configfs_subsystem?get_fabric_name~*(() : *CHAR)?get_fabric_proto_ident~*((*se_portal_group ) : ~u8~0)?tpg_get_wwn~*((*se_portal_group ) : *CHAR)?tpg_get_tag~*((*se_portal_group ) : ~u16~0)?tpg_get_default_depth~*((*se_portal_group ) : ~u32~0)?tpg_get_pr_transport_id~*((*se_portal_group *se_node_acl *t10_pr_registration *INT *UCHAR ) : ~u32~0)?tpg_get_pr_transport_id_len~*((*se_portal_group *se_node_acl *t10_pr_registration *INT ) : ~u32~0)?tpg_parse_pr_out_transport_id~*((*se_portal_group *CHAR *~u32~0 **CHAR ) : *CHAR)?tpg_check_demo_mode~*((*se_portal_group ) : INT)?tpg_check_demo_mode_cache~*((*se_portal_group ) : INT)?tpg_check_demo_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_prod_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_demo_mode_login_only~*((*se_portal_group ) : INT)?tpg_alloc_fabric_acl~*((*se_portal_group ) : *se_node_acl)?tpg_release_fabric_acl~*((*se_portal_group *se_node_acl ) : VOID)?tpg_get_inst_index~*((*se_portal_group ) : ~u32~0)?check_stop_free~*((*se_cmd ) : INT)?release_cmd~*((*se_cmd ) : VOID)?put_session~*((*se_session ) : VOID)?shutdown_session~*((*se_session ) : INT)?close_session~*((*se_session ) : VOID)?sess_get_index~*((*se_session ) : ~u32~0)?sess_get_initiator_sid~*((*se_session *UCHAR ~u32~0 ) : ~u32~0)?write_pending~*((*se_cmd ) : INT)?write_pending_status~*((*se_cmd ) : INT)?set_default_node_attributes~*((*se_node_acl ) : VOID)?get_task_tag~*((*se_cmd ) : ~u32~0)?get_cmd_state~*((*se_cmd ) : INT)?queue_data_in~*((*se_cmd ) : INT)?queue_status~*((*se_cmd ) : INT)?queue_tm_rsp~*((*se_cmd ) : INT)?fabric_make_wwn~*((*target_fabric_configfs *config_group *CHAR ) : *se_wwn)?fabric_drop_wwn~*((*se_wwn ) : VOID)?fabric_make_tpg~*((*se_wwn *config_group *CHAR ) : *se_portal_group)?fabric_drop_tpg~*((*se_portal_group ) : VOID)?fabric_post_link~*((*se_portal_group *se_lun ) : INT)?fabric_pre_unlink~*((*se_portal_group *se_lun ) : VOID)?fabric_make_np~*((*se_portal_group *config_group *CHAR ) : *se_tpg_np)?fabric_drop_np~*((*se_tpg_np ) : VOID)?fabric_make_nodeacl~*((*se_portal_group *config_group *CHAR ) : *se_node_acl)?fabric_drop_nodeacl~*((*se_node_acl ) : VOID)# [2018-11-28 12:11:58,208 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968388 could not be translated for associated CType STRUCT~~file_operations?owner~*module?llseek~*((*file ~loff_t~0 INT ) : ~loff_t~0)?read~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?write~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?aio_read~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?aio_write~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?readdir~*((*file *VOID *((*VOID *CHAR INT ~loff_t~0 ~u64~0 UINT ) : INT) ) : INT)?poll~*((*file *poll_table_struct ) : UINT)?unlocked_ioctl~*((*file UINT ULONG ) : LONG)?compat_ioctl~*((*file UINT ULONG ) : LONG)?mmap~*((*file *vm_area_struct ) : INT)?open~*((*inode *file ) : INT)?flush~*((*file ~fl_owner_t~0 ) : INT)?release~*((*inode *file ) : INT)?fsync~*((*file ~loff_t~0 ~loff_t~0 INT ) : INT)?aio_fsync~*((*kiocb INT ) : INT)?fasync~*((INT *file INT ) : INT)?lock~*((*file INT *file_lock ) : INT)?sendpage~*((*file *page INT UINT *~loff_t~0 INT ) : UINT)?get_unmapped_area~*((*file ULONG ULONG ULONG ULONG ) : ULONG)?check_flags~*((INT ) : INT)?flock~*((*file INT *file_lock ) : INT)?splice_write~*((*pipe_inode_info *file *~loff_t~0 UINT UINT ) : UINT)?splice_read~*((*file *~loff_t~0 *pipe_inode_info UINT UINT ) : UINT)?setlease~*((*file LONG **file_lock ) : INT)?fallocate~*((*file INT ~loff_t~0 ~loff_t~0 ) : LONG)# [2018-11-28 12:11:58,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968336 could not be translated for associated CType STRUCT~~file_operations?owner~*module?llseek~*((*file ~loff_t~0 INT ) : ~loff_t~0)?read~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?write~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?aio_read~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?aio_write~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?readdir~*((*file *VOID *((*VOID *CHAR INT ~loff_t~0 ~u64~0 UINT ) : INT) ) : INT)?poll~*((*file *poll_table_struct ) : UINT)?unlocked_ioctl~*((*file UINT ULONG ) : LONG)?compat_ioctl~*((*file UINT ULONG ) : LONG)?mmap~*((*file *vm_area_struct ) : INT)?open~*((*inode *file ) : INT)?flush~*((*file ~fl_owner_t~0 ) : INT)?release~*((*inode *file ) : INT)?fsync~*((*file ~loff_t~0 ~loff_t~0 INT ) : INT)?aio_fsync~*((*kiocb INT ) : INT)?fasync~*((INT *file INT ) : INT)?lock~*((*file INT *file_lock ) : INT)?sendpage~*((*file *page INT UINT *~loff_t~0 INT ) : UINT)?get_unmapped_area~*((*file ULONG ULONG ULONG ULONG ) : ULONG)?check_flags~*((INT ) : INT)?flock~*((*file INT *file_lock ) : INT)?splice_write~*((*pipe_inode_info *file *~loff_t~0 UINT UINT ) : UINT)?splice_read~*((*file *~loff_t~0 *pipe_inode_info UINT UINT ) : UINT)?setlease~*((*file LONG **file_lock ) : INT)?fallocate~*((*file INT ~loff_t~0 ~loff_t~0 ) : LONG)# [2018-11-28 12:11:58,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967463 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-11-28 12:11:58,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967758 could not be translated for associated CType STRUCT~~mutex?count~~atomic_t~0?wait_lock~~spinlock_t~0?wait_list~STRUCT~~list_head?next~*list_head?prev~*list_head#?owner~*task_struct?name~*CHAR?magic~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## [2018-11-28 12:11:58,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968352 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# [2018-11-28 12:11:58,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967881 could not be translated for associated CType STRUCT~~target_core_fabric_ops?tf_subsys~*configfs_subsystem?get_fabric_name~*(() : *CHAR)?get_fabric_proto_ident~*((*se_portal_group ) : ~u8~0)?tpg_get_wwn~*((*se_portal_group ) : *CHAR)?tpg_get_tag~*((*se_portal_group ) : ~u16~0)?tpg_get_default_depth~*((*se_portal_group ) : ~u32~0)?tpg_get_pr_transport_id~*((*se_portal_group *se_node_acl *t10_pr_registration *INT *UCHAR ) : ~u32~0)?tpg_get_pr_transport_id_len~*((*se_portal_group *se_node_acl *t10_pr_registration *INT ) : ~u32~0)?tpg_parse_pr_out_transport_id~*((*se_portal_group *CHAR *~u32~0 **CHAR ) : *CHAR)?tpg_check_demo_mode~*((*se_portal_group ) : INT)?tpg_check_demo_mode_cache~*((*se_portal_group ) : INT)?tpg_check_demo_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_prod_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_demo_mode_login_only~*((*se_portal_group ) : INT)?tpg_alloc_fabric_acl~*((*se_portal_group ) : *se_node_acl)?tpg_release_fabric_acl~*((*se_portal_group *se_node_acl ) : VOID)?tpg_get_inst_index~*((*se_portal_group ) : ~u32~0)?check_stop_free~*((*se_cmd ) : INT)?release_cmd~*((*se_cmd ) : VOID)?put_session~*((*se_session ) : VOID)?shutdown_session~*((*se_session ) : INT)?close_session~*((*se_session ) : VOID)?sess_get_index~*((*se_session ) : ~u32~0)?sess_get_initiator_sid~*((*se_session *UCHAR ~u32~0 ) : ~u32~0)?write_pending~*((*se_cmd ) : INT)?write_pending_status~*((*se_cmd ) : INT)?set_default_node_attributes~*((*se_node_acl ) : VOID)?get_task_tag~*((*se_cmd ) : ~u32~0)?get_cmd_state~*((*se_cmd ) : INT)?queue_data_in~*((*se_cmd ) : INT)?queue_status~*((*se_cmd ) : INT)?queue_tm_rsp~*((*se_cmd ) : INT)?fabric_make_wwn~*((*target_fabric_configfs *config_group *CHAR ) : *se_wwn)?fabric_drop_wwn~*((*se_wwn ) : VOID)?fabric_make_tpg~*((*se_wwn *config_group *CHAR ) : *se_portal_group)?fabric_drop_tpg~*((*se_portal_group ) : VOID)?fabric_post_link~*((*se_portal_group *se_lun ) : INT)?fabric_pre_unlink~*((*se_portal_group *se_lun ) : VOID)?fabric_make_np~*((*se_portal_group *config_group *CHAR ) : *se_tpg_np)?fabric_drop_np~*((*se_tpg_np ) : VOID)?fabric_make_nodeacl~*((*se_portal_group *config_group *CHAR ) : *se_node_acl)?fabric_drop_nodeacl~*((*se_node_acl ) : VOID)# [2018-11-28 12:11:58,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967771 could not be translated for associated CType STRUCT~~target_fabric_tpg_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*se_portal_group *CHAR ) : UINT)?store~*((*se_portal_group *CHAR UINT ) : UINT)# [2018-11-28 12:11:58,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968189 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-11-28 12:11:58,917 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1910 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 12:11:58,926 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1910 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 12:11:58,984 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1636 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 12:11:59,072 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1636 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 12:11:59,081 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1636 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-11-28 12:11:59,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:11:59 BoogieIcfgContainer [2018-11-28 12:11:59,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:11:59,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:11:59,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:11:59,304 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:11:59,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:11:06" (3/4) ... [2018-11-28 12:11:59,308 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:11:59,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:11:59,308 INFO L168 Benchmark]: Toolchain (without parser) took 75560.23 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-28 12:11:59,310 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:11:59,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3451.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:59,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:59,311 INFO L168 Benchmark]: Boogie Preprocessor took 214.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 969.5 MB in the end (delta: 85.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:59,311 INFO L168 Benchmark]: RCFGBuilder took 19053.03 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 842.5 MB). Free memory was 969.5 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 978.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:59,312 INFO L168 Benchmark]: TraceAbstraction took 52750.38 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 486.5 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 936.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:59,312 INFO L168 Benchmark]: Witness Printer took 3.99 ms. Allocated memory is still 2.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:11:59,315 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3451.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 214.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 969.5 MB in the end (delta: 85.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 19053.03 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 842.5 MB). Free memory was 969.5 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 978.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52750.38 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 486.5 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 936.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 ms. Allocated memory is still 2.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968215 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967457 could not be translated for associated CType STRUCT~~miscdevice?minor~INT?name~*CHAR?fops~*file_operations?list~STRUCT~~list_head?next~*list_head?prev~*list_head#?parent~*device?this_device~*device?nodename~*CHAR?mode~~umode_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967721 could not be translated for associated CType STRUCT~~target_fabric_tpg_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*se_portal_group *CHAR ) : UINT)?store~*((*se_portal_group *CHAR UINT ) : UINT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967896 could not be translated for associated CType STRUCT~~miscdevice?minor~INT?name~*CHAR?fops~*file_operations?list~STRUCT~~list_head?next~*list_head?prev~*list_head#?parent~*device?this_device~*device?nodename~*CHAR?mode~~umode_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967579 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967976 could not be translated for associated CType STRUCT~~target_fabric_wwn_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*target_fabric_configfs *CHAR ) : UINT)?store~*((*target_fabric_configfs *CHAR UINT ) : UINT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967594 could not be translated for associated CType STRUCT~~mutex?count~~atomic_t~0?wait_lock~~spinlock_t~0?wait_list~STRUCT~~list_head?next~*list_head?prev~*list_head#?owner~*task_struct?name~*CHAR?magic~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968268 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968059 could not be translated for associated CType STRUCT~~target_fabric_wwn_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*target_fabric_configfs *CHAR ) : UINT)?store~*((*target_fabric_configfs *CHAR UINT ) : UINT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968291 could not be translated for associated CType STRUCT~~target_core_fabric_ops?tf_subsys~*configfs_subsystem?get_fabric_name~*(() : *CHAR)?get_fabric_proto_ident~*((*se_portal_group ) : ~u8~0)?tpg_get_wwn~*((*se_portal_group ) : *CHAR)?tpg_get_tag~*((*se_portal_group ) : ~u16~0)?tpg_get_default_depth~*((*se_portal_group ) : ~u32~0)?tpg_get_pr_transport_id~*((*se_portal_group *se_node_acl *t10_pr_registration *INT *UCHAR ) : ~u32~0)?tpg_get_pr_transport_id_len~*((*se_portal_group *se_node_acl *t10_pr_registration *INT ) : ~u32~0)?tpg_parse_pr_out_transport_id~*((*se_portal_group *CHAR *~u32~0 **CHAR ) : *CHAR)?tpg_check_demo_mode~*((*se_portal_group ) : INT)?tpg_check_demo_mode_cache~*((*se_portal_group ) : INT)?tpg_check_demo_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_prod_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_demo_mode_login_only~*((*se_portal_group ) : INT)?tpg_alloc_fabric_acl~*((*se_portal_group ) : *se_node_acl)?tpg_release_fabric_acl~*((*se_portal_group *se_node_acl ) : VOID)?tpg_get_inst_index~*((*se_portal_group ) : ~u32~0)?check_stop_free~*((*se_cmd ) : INT)?release_cmd~*((*se_cmd ) : VOID)?put_session~*((*se_session ) : VOID)?shutdown_session~*((*se_session ) : INT)?close_session~*((*se_session ) : VOID)?sess_get_index~*((*se_session ) : ~u32~0)?sess_get_initiator_sid~*((*se_session *UCHAR ~u32~0 ) : ~u32~0)?write_pending~*((*se_cmd ) : INT)?write_pending_status~*((*se_cmd ) : INT)?set_default_node_attributes~*((*se_node_acl ) : VOID)?get_task_tag~*((*se_cmd ) : ~u32~0)?get_cmd_state~*((*se_cmd ) : INT)?queue_data_in~*((*se_cmd ) : INT)?queue_status~*((*se_cmd ) : INT)?queue_tm_rsp~*((*se_cmd ) : INT)?fabric_make_wwn~*((*target_fabric_configfs *config_group *CHAR ) : *se_wwn)?fabric_drop_wwn~*((*se_wwn ) : VOID)?fabric_make_tpg~*((*se_wwn *config_group *CHAR ) : *se_portal_group)?fabric_drop_tpg~*((*se_portal_group ) : VOID)?fabric_post_link~*((*se_portal_group *se_lun ) : INT)?fabric_pre_unlink~*((*se_portal_group *se_lun ) : VOID)?fabric_make_np~*((*se_portal_group *config_group *CHAR ) : *se_tpg_np)?fabric_drop_np~*((*se_tpg_np ) : VOID)?fabric_make_nodeacl~*((*se_portal_group *config_group *CHAR ) : *se_node_acl)?fabric_drop_nodeacl~*((*se_node_acl ) : VOID)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968388 could not be translated for associated CType STRUCT~~file_operations?owner~*module?llseek~*((*file ~loff_t~0 INT ) : ~loff_t~0)?read~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?write~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?aio_read~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?aio_write~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?readdir~*((*file *VOID *((*VOID *CHAR INT ~loff_t~0 ~u64~0 UINT ) : INT) ) : INT)?poll~*((*file *poll_table_struct ) : UINT)?unlocked_ioctl~*((*file UINT ULONG ) : LONG)?compat_ioctl~*((*file UINT ULONG ) : LONG)?mmap~*((*file *vm_area_struct ) : INT)?open~*((*inode *file ) : INT)?flush~*((*file ~fl_owner_t~0 ) : INT)?release~*((*inode *file ) : INT)?fsync~*((*file ~loff_t~0 ~loff_t~0 INT ) : INT)?aio_fsync~*((*kiocb INT ) : INT)?fasync~*((INT *file INT ) : INT)?lock~*((*file INT *file_lock ) : INT)?sendpage~*((*file *page INT UINT *~loff_t~0 INT ) : UINT)?get_unmapped_area~*((*file ULONG ULONG ULONG ULONG ) : ULONG)?check_flags~*((INT ) : INT)?flock~*((*file INT *file_lock ) : INT)?splice_write~*((*pipe_inode_info *file *~loff_t~0 UINT UINT ) : UINT)?splice_read~*((*file *~loff_t~0 *pipe_inode_info UINT UINT ) : UINT)?setlease~*((*file LONG **file_lock ) : INT)?fallocate~*((*file INT ~loff_t~0 ~loff_t~0 ) : LONG)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968336 could not be translated for associated CType STRUCT~~file_operations?owner~*module?llseek~*((*file ~loff_t~0 INT ) : ~loff_t~0)?read~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?write~*((*file *CHAR UINT *~loff_t~0 ) : UINT)?aio_read~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?aio_write~*((*kiocb *iovec ULONG ~loff_t~0 ) : UINT)?readdir~*((*file *VOID *((*VOID *CHAR INT ~loff_t~0 ~u64~0 UINT ) : INT) ) : INT)?poll~*((*file *poll_table_struct ) : UINT)?unlocked_ioctl~*((*file UINT ULONG ) : LONG)?compat_ioctl~*((*file UINT ULONG ) : LONG)?mmap~*((*file *vm_area_struct ) : INT)?open~*((*inode *file ) : INT)?flush~*((*file ~fl_owner_t~0 ) : INT)?release~*((*inode *file ) : INT)?fsync~*((*file ~loff_t~0 ~loff_t~0 INT ) : INT)?aio_fsync~*((*kiocb INT ) : INT)?fasync~*((INT *file INT ) : INT)?lock~*((*file INT *file_lock ) : INT)?sendpage~*((*file *page INT UINT *~loff_t~0 INT ) : UINT)?get_unmapped_area~*((*file ULONG ULONG ULONG ULONG ) : ULONG)?check_flags~*((INT ) : INT)?flock~*((*file INT *file_lock ) : INT)?splice_write~*((*pipe_inode_info *file *~loff_t~0 UINT UINT ) : UINT)?splice_read~*((*file *~loff_t~0 *pipe_inode_info UINT UINT ) : UINT)?setlease~*((*file LONG **file_lock ) : INT)?fallocate~*((*file INT ~loff_t~0 ~loff_t~0 ) : LONG)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967463 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967758 could not be translated for associated CType STRUCT~~mutex?count~~atomic_t~0?wait_lock~~spinlock_t~0?wait_list~STRUCT~~list_head?next~*list_head?prev~*list_head#?owner~*task_struct?name~*CHAR?magic~*VOID?dep_map~STRUCT~~lockdep_map?key~*lock_class_key?class_cache~ARRAY#_2_~*lock_class#?name~*CHAR?cpu~INT?ip~ULONG## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968352 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967881 could not be translated for associated CType STRUCT~~target_core_fabric_ops?tf_subsys~*configfs_subsystem?get_fabric_name~*(() : *CHAR)?get_fabric_proto_ident~*((*se_portal_group ) : ~u8~0)?tpg_get_wwn~*((*se_portal_group ) : *CHAR)?tpg_get_tag~*((*se_portal_group ) : ~u16~0)?tpg_get_default_depth~*((*se_portal_group ) : ~u32~0)?tpg_get_pr_transport_id~*((*se_portal_group *se_node_acl *t10_pr_registration *INT *UCHAR ) : ~u32~0)?tpg_get_pr_transport_id_len~*((*se_portal_group *se_node_acl *t10_pr_registration *INT ) : ~u32~0)?tpg_parse_pr_out_transport_id~*((*se_portal_group *CHAR *~u32~0 **CHAR ) : *CHAR)?tpg_check_demo_mode~*((*se_portal_group ) : INT)?tpg_check_demo_mode_cache~*((*se_portal_group ) : INT)?tpg_check_demo_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_prod_mode_write_protect~*((*se_portal_group ) : INT)?tpg_check_demo_mode_login_only~*((*se_portal_group ) : INT)?tpg_alloc_fabric_acl~*((*se_portal_group ) : *se_node_acl)?tpg_release_fabric_acl~*((*se_portal_group *se_node_acl ) : VOID)?tpg_get_inst_index~*((*se_portal_group ) : ~u32~0)?check_stop_free~*((*se_cmd ) : INT)?release_cmd~*((*se_cmd ) : VOID)?put_session~*((*se_session ) : VOID)?shutdown_session~*((*se_session ) : INT)?close_session~*((*se_session ) : VOID)?sess_get_index~*((*se_session ) : ~u32~0)?sess_get_initiator_sid~*((*se_session *UCHAR ~u32~0 ) : ~u32~0)?write_pending~*((*se_cmd ) : INT)?write_pending_status~*((*se_cmd ) : INT)?set_default_node_attributes~*((*se_node_acl ) : VOID)?get_task_tag~*((*se_cmd ) : ~u32~0)?get_cmd_state~*((*se_cmd ) : INT)?queue_data_in~*((*se_cmd ) : INT)?queue_status~*((*se_cmd ) : INT)?queue_tm_rsp~*((*se_cmd ) : INT)?fabric_make_wwn~*((*target_fabric_configfs *config_group *CHAR ) : *se_wwn)?fabric_drop_wwn~*((*se_wwn ) : VOID)?fabric_make_tpg~*((*se_wwn *config_group *CHAR ) : *se_portal_group)?fabric_drop_tpg~*((*se_portal_group ) : VOID)?fabric_post_link~*((*se_portal_group *se_lun ) : INT)?fabric_pre_unlink~*((*se_portal_group *se_lun ) : VOID)?fabric_make_np~*((*se_portal_group *config_group *CHAR ) : *se_tpg_np)?fabric_drop_np~*((*se_tpg_np ) : VOID)?fabric_make_nodeacl~*((*se_portal_group *config_group *CHAR ) : *se_node_acl)?fabric_drop_nodeacl~*((*se_node_acl ) : VOID)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967771 could not be translated for associated CType STRUCT~~target_fabric_tpg_attribute?attr~STRUCT~~configfs_attribute?ca_name~*CHAR?ca_owner~*module?ca_mode~~umode_t~0#?show~*((*se_portal_group *CHAR ) : UINT)?store~*((*se_portal_group *CHAR UINT ) : UINT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294968189 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1910 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1910 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1636 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1636 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1636 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13652]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of __builtin_object_size at line 7388, overapproximation of large string literal at line 12829, overapproximation of bitwiseAnd at line 12061. Possible FailurePath: [L7671] static unsigned int vhost_zcopy_mask ; [L10776] static struct target_fabric_configfs *tcm_vhost_fabric_configfs ; [L10777] static struct workqueue_struct *tcm_vhost_workqueue ; [L10778-L10781] static struct mutex tcm_vhost_mutex = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "tcm_vhost_mutex.wait_lock", 0, 0UL}}}}, {& tcm_vhost_mutex.wait_list, & tcm_vhost_mutex.wait_list}, 0, 0, (void *)(& tcm_vhost_mutex), {0, {0, 0}, "tcm_vhost_mutex", 0, 0UL}}; [L10782] static struct list_head tcm_vhost_list = {& tcm_vhost_list, & tcm_vhost_list}; [L12167-L12170] static struct file_operations const vhost_scsi_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_scsi_ioctl, & vhost_scsi_compat_ioctl, 0, & vhost_scsi_open, 0, & vhost_scsi_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12171-L12172] static struct miscdevice vhost_scsi_misc = {255, "vhost-scsi", & vhost_scsi_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L12524] static struct target_fabric_tpg_attribute tcm_vhost_tpg_nexus = {{"nexus", & __this_module, 420U}, & tcm_vhost_tpg_show_nexus, & tcm_vhost_tpg_store_nexus}; [L12525] static struct configfs_attribute *tcm_vhost_tpg_attrs[2U] = { & tcm_vhost_tpg_nexus.attr, 0}; [L12716] static struct target_fabric_wwn_attribute tcm_vhost_wwn_version = {{"version", & __this_module, 292U}, & tcm_vhost_wwn_show_attr_version, 0}; [L12717] static struct configfs_attribute *tcm_vhost_wwn_attrs[2U] = { & tcm_vhost_wwn_version.attr, 0}; [L12718-L12729] static struct target_core_fabric_ops tcm_vhost_ops = {0, & tcm_vhost_get_fabric_name, & tcm_vhost_get_fabric_proto_ident, & tcm_vhost_get_fabric_wwn, & tcm_vhost_get_tag, & tcm_vhost_get_default_depth, & tcm_vhost_get_pr_transport_id, & tcm_vhost_get_pr_transport_id_len, & tcm_vhost_parse_pr_out_transport_id, & tcm_vhost_check_true, & tcm_vhost_check_true, & tcm_vhost_check_false, & tcm_vhost_check_false, 0, & tcm_vhost_alloc_fabric_acl, & tcm_vhost_release_fabric_acl, & tcm_vhost_tpg_get_inst_index, 0, & tcm_vhost_release_cmd, 0, & tcm_vhost_shutdown_session, & tcm_vhost_close_session, & tcm_vhost_sess_get_index, 0, & tcm_vhost_write_pending, & tcm_vhost_write_pending_status, & tcm_vhost_set_default_node_attrs, & tcm_vhost_get_task_tag, & tcm_vhost_get_cmd_state, & tcm_vhost_queue_data_in, & tcm_vhost_queue_status, & tcm_vhost_queue_tm_rsp, & tcm_vhost_make_tport, & tcm_vhost_drop_tport, & tcm_vhost_make_tpg, & tcm_vhost_drop_tpg, & tcm_vhost_port_link, & tcm_vhost_port_unlink, 0, 0, & tcm_vhost_make_nodeacl, & tcm_vhost_drop_nodeacl}; [L12869] int LDV_IN_INTERRUPT ; [L13662] static int ldv_mutex_cred_guard_mutex ; [L13769] static int ldv_mutex_lock ; [L13876] static int ldv_mutex_mtx ; [L13983] static int ldv_mutex_mutex ; [L14090] static int ldv_mutex_tcm_vhost_mutex ; [L14197] static int ldv_mutex_tv_tpg_mutex ; VAL [\old(LDV_IN_INTERRUPT)=4294968289, \old(ldv_mutex_cred_guard_mutex)=4294968177, \old(ldv_mutex_lock)=4294968455, \old(ldv_mutex_mtx)=4294967869, \old(ldv_mutex_mutex)=4294968025, \old(ldv_mutex_tcm_vhost_mutex)=4294967843, \old(ldv_mutex_tv_tpg_mutex)=4294967995, \old(tcm_vhost_fabric_configfs)=4294967487, \old(tcm_vhost_fabric_configfs)=4294967514, \old(tcm_vhost_list)=null, \old(tcm_vhost_list)=null, \old(tcm_vhost_mutex)=null, \old(tcm_vhost_mutex)=null, \old(tcm_vhost_ops)=null, \old(tcm_vhost_ops)=null, \old(tcm_vhost_tpg_attrs)=null, \old(tcm_vhost_tpg_attrs)=null, \old(tcm_vhost_tpg_nexus)=null, \old(tcm_vhost_tpg_nexus)=null, \old(tcm_vhost_workqueue)=4294967449, \old(tcm_vhost_workqueue)=4294968090, \old(tcm_vhost_wwn_attrs)=null, \old(tcm_vhost_wwn_attrs)=null, \old(tcm_vhost_wwn_version)=null, \old(tcm_vhost_wwn_version)=null, \old(vhost_scsi_fops)=null, \old(vhost_scsi_fops)=null, \old(vhost_scsi_misc)=null, \old(vhost_scsi_misc)=null, \old(vhost_zcopy_mask)=320, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, ldv_mutex_tcm_vhost_mutex=0, ldv_mutex_tv_tpg_mutex=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12872] struct inode *var_group1 ; [L12873] struct file *var_group2 ; [L12874] unsigned int var_vhost_scsi_ioctl_44_p1 ; [L12875] unsigned long var_vhost_scsi_ioctl_44_p2 ; [L12876] unsigned int var_vhost_scsi_compat_ioctl_45_p1 ; [L12877] unsigned long var_vhost_scsi_compat_ioctl_45_p2 ; [L12878] int res_vhost_scsi_open_39 ; [L12879] struct se_portal_group *var_group3 ; [L12880] struct se_node_acl *var_group4 ; [L12881] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_7_p2 ; [L12882] int *var_tcm_vhost_get_pr_transport_id_7_p3 ; [L12883] unsigned char *var_tcm_vhost_get_pr_transport_id_7_p4 ; [L12884] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_len_8_p2 ; [L12885] int *var_tcm_vhost_get_pr_transport_id_len_8_p3 ; [L12886] char const *var_tcm_vhost_parse_pr_out_transport_id_9_p1 ; [L12887] u32 *var_tcm_vhost_parse_pr_out_transport_id_9_p2 ; [L12888] char **var_tcm_vhost_parse_pr_out_transport_id_9_p3 ; [L12889] struct se_cmd *var_group5 ; [L12890] struct se_session *var_group6 ; [L12891] struct target_fabric_configfs *var_group7 ; [L12892] struct config_group *var_group8 ; [L12893] char const *var_tcm_vhost_make_tport_59_p2 ; [L12894] struct se_wwn *var_group9 ; [L12895] char const *var_tcm_vhost_make_tpg_57_p2 ; [L12896] struct se_lun *var_group10 ; [L12897] char const *var_tcm_vhost_make_nodeacl_51_p2 ; [L12898] int ldv_s_vhost_scsi_fops_file_operations ; [L12899] int tmp ; [L12900] int tmp___0 ; [L12901] int tmp___1 ; [L12903] ldv_s_vhost_scsi_fops_file_operations = 0 [L12904] LDV_IN_INTERRUPT = 1 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, ldv_mutex_tcm_vhost_mutex=0, ldv_mutex_tv_tpg_mutex=0, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12905] CALL ldv_initialize() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, ldv_mutex_tcm_vhost_mutex=0, ldv_mutex_tv_tpg_mutex=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14307] ldv_mutex_cred_guard_mutex = 1 [L14308] ldv_mutex_lock = 1 [L14309] ldv_mutex_mtx = 1 [L14310] ldv_mutex_mutex = 1 [L14311] ldv_mutex_tcm_vhost_mutex = 1 [L14312] ldv_mutex_tv_tpg_mutex = 1 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12905] RET ldv_initialize() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12906] FCALL ldv_handler_precall() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12907] CALL, EXPR tcm_vhost_init() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12823] int ret ; [L12824] struct lock_class_key __key ; [L12825] char const *__lock_name ; [L12826] struct workqueue_struct *tmp ; [L12828] ret = -12 [L12829] __lock_name = "tcm_vhost" [L12830] tmp = __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name) [L12831] tcm_vhost_workqueue = tmp VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={-2:3}, __key={4294968435:0}, __lock_name={4294968171:0}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp={-2:3}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12832] COND FALSE !((unsigned long )tcm_vhost_workqueue == (unsigned long )((struct workqueue_struct *)0)) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={-2:3}, __key={4294968435:0}, __lock_name={4294968171:0}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp={-2:3}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12836] CALL, EXPR vhost_scsi_register() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12175] int tmp ; VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12177] CALL, EXPR misc_register(& vhost_scsi_misc) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg0={4294968386:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14554] return __VERIFIER_nondet_int(); [L12177] RET, EXPR misc_register(& vhost_scsi_misc) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, misc_register(& vhost_scsi_misc)=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12177] tmp = misc_register(& vhost_scsi_misc) [L12178] return (tmp); VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12836] RET, EXPR vhost_scsi_register() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={-2:3}, __key={4294968435:0}, __lock_name={4294968171:0}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp={-2:3}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_scsi_register()=0, vhost_zcopy_mask=0] [L12836] ret = vhost_scsi_register() [L12837] COND FALSE !(ret < 0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={-2:3}, __key={4294968435:0}, __lock_name={4294968171:0}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp={-2:3}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12841] CALL, EXPR tcm_vhost_register_configfs() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12732] struct target_fabric_configfs *fabric ; [L12733] int ret ; [L12734] struct _ddebug descriptor ; [L12735] struct new_utsname *tmp ; [L12736] struct new_utsname *tmp___0 ; [L12737] long tmp___1 ; [L12738] long tmp___2 ; [L12739] long tmp___3 ; [L12740] struct _ddebug descriptor___0 ; [L12741] long tmp___4 ; [L12743] descriptor.modname = "tcm_vhost" [L12744] descriptor.function = "tcm_vhost_register_configfs" [L12745] descriptor.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12746] descriptor.format = "TCM_VHOST fabric module %s on %s/%s on 3.7.3\n" [L12747] descriptor.lineno = 1561U [L12748] descriptor.flags = 0U [L12749] EXPR descriptor.flags VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor.flags=0, descriptor___0={4294968147:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12749] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13659] return (exp); VAL [\old(c)=0, \old(exp)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __this_module={4294968129:4294967937}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12749] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor.flags=0, descriptor___0={4294968147:0}, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12749] tmp___1 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L12750] COND FALSE !(tmp___1 != 0L) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12757] CALL, EXPR target_fabric_configfs_init(& __this_module, "vhost") VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg0={4294968129:4294967937}, arg1={4294968054:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14631] CALL, EXPR external_alloc() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14676] return __VERIFIER_external_alloc(); [L14631] RET, EXPR external_alloc() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg0={4294968129:4294967937}, arg0={4294968129:4294967937}, arg1={4294968054:0}, arg1={4294968054:0}, external_alloc()={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14631] return (struct target_fabric_configfs *)external_alloc(); [L12757] RET, EXPR target_fabric_configfs_init(& __this_module, "vhost") VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, target_fabric_configfs_init(& __this_module, "vhost")={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12757] fabric = target_fabric_configfs_init(& __this_module, "vhost") [L12758] CALL, EXPR IS_ERR((void const *)fabric) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L6784] long tmp ; VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L6786] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13659] return (exp); VAL [\old(c)=0, \old(exp)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __this_module={4294968129:4294967937}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L6786] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L6786] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L6787] return (tmp); VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12758] RET, EXPR IS_ERR((void const *)fabric) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, fabric={0:0}, IS_ERR((void const *)fabric)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12758] tmp___3 = IS_ERR((void const *)fabric) [L12759] COND FALSE !(tmp___3 != 0L) [L12765] fabric->tf_ops = tcm_vhost_ops [L12766] fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_wwn_attrs) [L12767] fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_tpg_attrs) [L12768] fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = 0 [L12769] fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = 0 [L12770] fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = 0 [L12771] fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = 0 [L12772] fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = 0 [L12773] fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = 0 [L12774] fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12775] CALL, EXPR target_fabric_configfs_register(fabric) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg0={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14635] return __VERIFIER_nondet_int(); [L12775] RET, EXPR target_fabric_configfs_register(fabric) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, target_fabric_configfs_register(fabric)=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12775] ret = target_fabric_configfs_register(fabric) [L12776] COND FALSE !(ret < 0) [L12781] tcm_vhost_fabric_configfs = fabric [L12782] descriptor___0.modname = "tcm_vhost" [L12783] descriptor___0.function = "tcm_vhost_register_configfs" [L12784] descriptor___0.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12785] descriptor___0.format = "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n" [L12786] descriptor___0.lineno = 1599U [L12787] descriptor___0.flags = 0U [L12788] EXPR descriptor___0.flags VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, descriptor___0.flags=0, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12788] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13659] return (exp); VAL [\old(c)=0, \old(exp)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=1, __this_module={4294968129:4294967937}, c=0, exp=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12788] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, descriptor={4294967565:0}, descriptor___0={4294968147:0}, descriptor___0.flags=0, fabric={0:0}, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12788] tmp___4 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L12789] COND TRUE tmp___4 != 0L [L12793] return (0); [L12793] return (0); [L12793] return (0); VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __this_module={4294968129:4294967937}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___1=0, tmp___3=0, tmp___4=1, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12841] RET, EXPR tcm_vhost_register_configfs() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={-2:3}, __key={4294968435:0}, __lock_name={4294968171:0}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_register_configfs()=0, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp={-2:3}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12841] ret = tcm_vhost_register_configfs() [L12842] COND FALSE !(ret < 0) [L12846] return (0); [L12846] return (0); VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={-2:3}, __lock_name={4294968171:0}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp={-2:3}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12907] RET, EXPR tcm_vhost_init() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_init()=0, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12907] tmp = tcm_vhost_init() [L12908] COND FALSE !(tmp != 0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13086] tmp___1 = __VERIFIER_nondet_int() [L13087] COND TRUE tmp___1 != 0 || ldv_s_vhost_scsi_fops_file_operations != 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, tmp___1=1, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12914] tmp___0 = __VERIFIER_nondet_int() [L12916] case 0: [L12929] case 1: [L12937] case 2: [L12941] case 3: VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, tmp___0=3, tmp___1=1, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12942] FCALL ldv_handler_precall() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=0, \old(ldv_mutex_tcm_vhost_mutex)=0, \old(ldv_mutex_tv_tpg_mutex)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, tmp___0=3, tmp___1=1, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12943] CALL vhost_scsi_compat_ioctl(var_group2, var_vhost_scsi_compat_ioctl_45_p1, var_vhost_scsi_compat_ioctl_45_p2) VAL [\old(arg)=4294967362, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, f={4294967893:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12159] void *tmp ; [L12160] long tmp___0 ; VAL [\old(arg)=4294967362, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg=4294967362, f={4294967893:0}, f={4294967893:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12162] CALL, EXPR compat_ptr((compat_uptr_t )arg) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \old(uptr)=66, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7243] return ((void *)((unsigned long )uptr)); VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \old(uptr)=66, \result={0:66}, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, uptr=66, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12162] RET, EXPR compat_ptr((compat_uptr_t )arg) VAL [\old(arg)=4294967362, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg=4294967362, compat_ptr((compat_uptr_t )arg)={0:66}, f={4294967893:0}, f={4294967893:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12162] tmp = compat_ptr((compat_uptr_t )arg) [L12163] CALL vhost_scsi_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(arg)=66, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, f={4294967893:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12079] struct vhost_scsi *vs ; [L12080] struct vhost_scsi_target backend ; [L12081] void *argp ; [L12082] u64 *featurep ; [L12083] u64 features ; [L12084] int r ; [L12085] int abi_version ; [L12086] unsigned long tmp ; [L12087] int tmp___0 ; [L12088] unsigned long tmp___1 ; [L12089] int tmp___2 ; [L12090] int tmp___3 ; [L12091] int tmp___4 ; [L12092] unsigned long tmp___5 ; [L12093] int tmp___6 ; [L12094] long tmp___7 ; [L12096] EXPR f->private_data [L12096] vs = (struct vhost_scsi *)f->private_data [L12097] argp = (void *)arg [L12098] featurep = (u64 *)argp [L12099] abi_version = 0 [L12101] case 1088991040U: [L12113] case 1088991041U: [L12125] case 1074048834U: [L12132] case 2148052736U: [L12140] case 1074310912U: VAL [\old(arg)=66, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, abi_version={4294967552:0}, arg=66, argp={0:66}, backend={4294968329:0}, f={4294967893:0}, f={4294967893:0}, featurep={0:66}, features={4294967862:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}] [L12141] CALL, EXPR copy_from_user((void *)(& features), (void const *)featurep, 8UL) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, from={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7381] int sz ; [L7382] unsigned long tmp ; [L7383] int __ret_warn_on ; [L7384] long tmp___0 ; [L7385] long tmp___1 ; [L7386] long tmp___2 ; [L7388] tmp = __builtin_object_size((void const *)to, 0) [L7389] sz = (int )tmp VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, from={0:66}, from={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=4294967295, to={4294967862:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7390] FCALL might_fault() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, from={0:66}, from={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=4294967295, to={4294967862:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7391] CALL, EXPR ldv__builtin_expect(sz == -1, 1L) VAL [\old(c)=1, \old(exp)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13659] return (exp); VAL [\old(c)=1, \old(exp)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=1, __this_module={4294968129:4294967937}, c=1, exp=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7391] RET, EXPR ldv__builtin_expect(sz == -1, 1L) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, from={0:66}, from={0:66}, ldv__builtin_expect(sz == -1, 1L)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=4294967295, to={4294967862:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7391] tmp___1 = ldv__builtin_expect(sz == -1, 1L) [L7392] COND TRUE tmp___1 != 0L VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, from={0:66}, from={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=4294967295, tmp___1=1, to={4294967862:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7393] CALL, EXPR _copy_from_user(to, from, (unsigned int )n) VAL [\old(arg2)=8, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, arg0={4294967862:0}, arg1={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14380] return __VERIFIER_nondet_ulong(); [L7393] RET, EXPR _copy_from_user(to, from, (unsigned int )n) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, _copy_from_user(to, from, (unsigned int )n)=0, from={0:66}, from={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=4294967295, tmp___1=1, to={4294967862:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L7393] n = _copy_from_user(to, from, (unsigned int )n) [L7409] return (n); VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \result=0, __this_module={4294968129:4294967937}, from={0:66}, from={0:66}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=0, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=4294967295, tmp___1=1, to={4294967862:0}, to={4294967862:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12141] RET, EXPR copy_from_user((void *)(& features), (void const *)featurep, 8UL) VAL [\old(arg)=66, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, abi_version={4294967552:0}, arg=66, argp={0:66}, backend={4294968329:0}, copy_from_user((void *)(& features), (void const *)featurep, 8UL)=0, f={4294967893:0}, f={4294967893:0}, featurep={0:66}, features={4294967862:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}] [L12141] tmp___5 = copy_from_user((void *)(& features), (void const *)featurep, 8UL) [L12142] COND FALSE !(tmp___5 != 0UL) [L12146] EXPR \read(features) VAL [\old(arg)=66, \old(ioctl)=1074310912, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, \read(features)=4294967443, __this_module={4294968129:4294967937}, abi_version={4294967552:0}, arg=66, argp={0:66}, backend={4294968329:0}, f={4294967893:0}, f={4294967893:0}, featurep={0:66}, features={4294967862:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp___5=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}] [L12146] CALL vhost_scsi_set_features(vs, features) VAL [\old(features)=4294967443, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}] [L12054] int tmp ; VAL [\old(features)=4294967443, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, features=4294967443, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}, vs={4294968069:-24}] [L12056] COND FALSE !((features & 0xffffffffcaffffffULL) != 0ULL) VAL [\old(features)=4294967443, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, features=4294967443, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}, vs={4294968069:-24}] [L12060] CALL ldv_mutex_lock_41(& vs->dev.mutex) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, ldv_func_arg1={4294968069:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13427] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={4294968069:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14021] COND TRUE ldv_mutex_mutex == 1 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={4294968069:0}, lock={4294968069:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14025] ldv_mutex_mutex = 2 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={4294968069:0}, lock={4294968069:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13427] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, ldv_func_arg1={4294968069:0}, ldv_func_arg1={4294968069:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13428] FCALL mutex_lock(ldv_func_arg1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, ldv_func_arg1={4294968069:0}, ldv_func_arg1={4294968069:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L12060] RET ldv_mutex_lock_41(& vs->dev.mutex) VAL [\old(features)=4294967443, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, features=4294967443, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}, vs={4294968069:-24}] [L12061] COND TRUE (features & 67108864ULL) != 0ULL VAL [\old(features)=4294967443, \old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, features=4294967443, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0, vs={4294968069:-24}, vs={4294968069:-24}] [L12062] CALL vhost_log_access_ok(& vs->dev) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, dev={4294968069:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8480] struct vhost_memory *mp ; [L8481] bool __warned ; [L8482] int tmp ; [L8483] int tmp___0 ; [L8484] int tmp___1 ; VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, dev={4294968069:-16}, dev={4294968069:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8486] CALL, EXPR debug_lockdep_rcu_enabled() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14434] return __VERIFIER_nondet_int(); [L8486] RET, EXPR debug_lockdep_rcu_enabled() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, debug_lockdep_rcu_enabled()=0, dev={4294968069:-16}, dev={4294968069:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8486] tmp = debug_lockdep_rcu_enabled() [L8487] COND FALSE !(tmp != 0 && ! __warned) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, __warned=1, dev={4294968069:-16}, dev={4294968069:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, tmp=0, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8497] EXPR dev->memory [L8497] mp = dev->memory [L8498] CALL memory_access_ok(dev, mp, 1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(log_all)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, d={4294968069:-16}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, mem={4294967409:4294968140}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8402] int i ; [L8403] int ok ; [L8405] i = 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(log_all)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, d={4294968069:-16}, d={4294968069:-16}, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={4294967409:4294968140}, mem={4294967409:4294968140}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8421] EXPR d->nvqs VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(log_all)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, d={4294968069:-16}, d={4294968069:-16}, d->nvqs=53, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={4294967409:4294968140}, mem={4294967409:4294968140}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8421] COND TRUE d->nvqs > i [L8408] EXPR d->vqs VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(log_all)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, d={4294968069:-16}, d={4294968069:-16}, d->vqs={4294968258:-8}, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={4294967409:4294968140}, mem={4294967409:4294968140}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L8408] CALL ldv_mutex_lock_12(& (d->vqs + (unsigned long )i)->mutex) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, ldv_func_arg1={4294968258:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13195] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={4294968258:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14021] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={4294968258:0}, lock={4294968258:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L14023] CALL ldv_error() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] [L13652] __VERIFIER_error() VAL [\old(LDV_IN_INTERRUPT)=0, \old(ldv_mutex_cred_guard_mutex)=0, \old(ldv_mutex_lock)=0, \old(ldv_mutex_mtx)=0, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_fabric_configfs)=0, \old(tcm_vhost_workqueue)=0, \old(tcm_vhost_workqueue)=0, __this_module={4294968129:4294967937}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={4294967580:0}, tcm_vhost_mutex={4294967757:0}, tcm_vhost_ops={4294967878:0}, tcm_vhost_tpg_attrs={4294968168:0}, tcm_vhost_tpg_nexus={4294968027:0}, tcm_vhost_workqueue={-2:3}, tcm_vhost_wwn_attrs={4294968413:0}, tcm_vhost_wwn_version={4294967975:0}, vhost_scsi_fops={4294968357:0}, vhost_scsi_misc={4294968386:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 311 procedures, 3142 locations, 1 error locations. UNSAFE Result, 52.6s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 36.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44501 SDtfs, 26479 SDslu, 93610 SDs, 0 SdLazy, 4849 SolverSat, 1652 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 30.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4410occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 132 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 819 ConstructedInterpolants, 1 QuantifiedInterpolants, 158307 SizeOfPredicates, 11 NumberOfNonLiveVariables, 6204 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 36/38 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:12:00,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:12:00,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:12:00,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:12:00,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:12:00,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:12:00,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:12:00,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:12:00,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:12:00,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:12:00,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:12:00,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:12:00,899 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:12:00,900 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:12:00,901 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:12:00,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:12:00,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:12:00,903 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:12:00,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:12:00,905 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:12:00,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:12:00,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:12:00,909 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:12:00,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:12:00,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:12:00,910 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:12:00,911 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:12:00,911 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:12:00,912 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:12:00,913 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:12:00,913 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:12:00,914 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:12:00,914 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:12:00,914 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:12:00,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:12:00,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:12:00,916 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-11-28 12:12:00,927 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:12:00,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:12:00,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:12:00,928 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:12:00,929 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:12:00,929 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:12:00,929 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:12:00,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:12:00,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:12:00,930 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:12:00,930 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:12:00,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:12:00,931 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:12:00,931 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:12:00,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:12:00,931 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:12:00,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:12:00,931 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:12:00,932 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:12:00,932 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:12:00,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:12:00,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:12:00,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:12:00,932 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:12:00,932 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:12:00,933 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:12:00,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:12:00,933 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:12:00,933 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:12:00,933 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-28 12:12:00,933 INFO L133 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52c48a46f48ee30070e7761992ebc9ae5b4404ec [2018-11-28 12:12:00,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:12:00,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:12:00,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:12:00,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:12:00,975 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:12:00,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-11-28 12:12:01,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/babfe6f9f/d20cae64c5314eed91ac483076a5cc30/FLAG141488ebd [2018-11-28 12:12:01,585 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:12:01,585 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-11-28 12:12:01,622 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/babfe6f9f/d20cae64c5314eed91ac483076a5cc30/FLAG141488ebd [2018-11-28 12:12:02,045 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/data/babfe6f9f/d20cae64c5314eed91ac483076a5cc30 [2018-11-28 12:12:02,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:12:02,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:12:02,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:12:02,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:12:02,053 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:12:02,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:12:02" (1/1) ... [2018-11-28 12:12:02,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@844c8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:02, skipping insertion in model container [2018-11-28 12:12:02,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:12:02" (1/1) ... [2018-11-28 12:12:02,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:12:02,198 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:12:05,147 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:12:05,173 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:12:05,533 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:12:06,152 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:12:06,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06 WrapperNode [2018-11-28 12:12:06,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:12:06,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:12:06,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:12:06,153 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:12:06,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:12:06,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:12:06,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:12:06,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:12:06,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... [2018-11-28 12:12:06,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:12:06,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:12:06,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:12:06,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:12:06,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:12:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2018-11-28 12:12:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2018-11-28 12:12:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2018-11-28 12:12:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2018-11-28 12:12:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2018-11-28 12:12:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2018-11-28 12:12:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2018-11-28 12:12:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2018-11-28 12:12:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2018-11-28 12:12:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2018-11-28 12:12:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2018-11-28 12:12:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2018-11-28 12:12:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2018-11-28 12:12:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2018-11-28 12:12:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2018-11-28 12:12:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2018-11-28 12:12:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2018-11-28 12:12:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2018-11-28 12:12:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2018-11-28 12:12:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2018-11-28 12:12:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2018-11-28 12:12:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2018-11-28 12:12:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2018-11-28 12:12:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2018-11-28 12:12:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2018-11-28 12:12:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2018-11-28 12:12:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2018-11-28 12:12:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2018-11-28 12:12:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2018-11-28 12:12:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2018-11-28 12:12:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2018-11-28 12:12:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2018-11-28 12:12:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-28 12:12:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2018-11-28 12:12:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2018-11-28 12:12:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2018-11-28 12:12:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2018-11-28 12:12:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2018-11-28 12:12:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_task_tag [2018-11-28 12:12:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_task_tag [2018-11-28 12:12:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 12:12:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 12:12:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2018-11-28 12:12:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2018-11-28 12:12:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2018-11-28 12:12:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2018-11-28 12:12:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_deregister_configfs [2018-11-28 12:12:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_deregister_configfs [2018-11-28 12:12:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups [2018-11-28 12:12:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups [2018-11-28 12:12:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_59 [2018-11-28 12:12:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_59 [2018-11-28 12:12:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_57 [2018-11-28 12:12:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_57 [2018-11-28 12:12:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_58 [2018-11-28 12:12:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_58 [2018-11-28 12:12:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_wwn_show_attr_version [2018-11-28 12:12:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_wwn_show_attr_version [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ctl_handle_kick [2018-11-28 12:12:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ctl_handle_kick [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_true [2018-11-28 12:12:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_true [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure get_indirect [2018-11-28 12:12:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure get_indirect [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-11-28 12:12:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-11-28 12:12:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2018-11-28 12:12:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2018-11-28 12:12:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2018-11-28 12:12:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2018-11-28 12:12:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2018-11-28 12:12:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2018-11-28 12:12:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2018-11-28 12:12:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure find_region [2018-11-28 12:12:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure find_region [2018-11-28 12:12:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure transport_deregister_session [2018-11-28 12:12:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_deregister_session [2018-11-28 12:12:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_47 [2018-11-28 12:12:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_47 [2018-11-28 12:12:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2018-11-28 12:12:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2018-11-28 12:12:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_43 [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_43 [2018-11-28 12:12:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2018-11-28 12:12:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-28 12:12:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_init [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_init [2018-11-28 12:12:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-11-28 12:12:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2018-11-28 12:12:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2018-11-28 12:12:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2018-11-28 12:12:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2018-11-28 12:12:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2018-11-28 12:12:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2018-11-28 12:12:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2018-11-28 12:12:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_63 [2018-11-28 12:12:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_63 [2018-11-28 12:12:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_60 [2018-11-28 12:12:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_60 [2018-11-28 12:12:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_61 [2018-11-28 12:12:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_61 [2018-11-28 12:12:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_del_initiator_node_acl [2018-11-28 12:12:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_del_initiator_node_acl [2018-11-28 12:12:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_evt_handle_kick [2018-11-28 12:12:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_evt_handle_kick [2018-11-28 12:12:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_68 [2018-11-28 12:12:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_68 [2018-11-28 12:12:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_kick [2018-11-28 12:12:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_kick [2018-11-28 12:12:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_66 [2018-11-28 12:12:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_66 [2018-11-28 12:12:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2018-11-28 12:12:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2018-11-28 12:12:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_64 [2018-11-28 12:12:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_64 [2018-11-28 12:12:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-28 12:12:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-28 12:12:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2018-11-28 12:12:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2018-11-28 12:12:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-28 12:12:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-28 12:12:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_avail_event [2018-11-28 12:12:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_avail_event [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2018-11-28 12:12:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2018-11-28 12:12:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tpg [2018-11-28 12:12:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tpg [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2018-11-28 12:12:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-28 12:12:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-28 12:12:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-11-28 12:12:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-11-28 12:12:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-28 12:12:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-28 12:12:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-28 12:12:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2018-11-28 12:12:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-28 12:12:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-28 12:12:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2018-11-28 12:12:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2018-11-28 12:12:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_register [2018-11-28 12:12:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_register [2018-11-28 12:12:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2018-11-28 12:12:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2018-11-28 12:12:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2018-11-28 12:12:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2018-11-28 12:12:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2018-11-28 12:12:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2018-11-28 12:12:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-28 12:12:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2018-11-28 12:12:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2018-11-28 12:12:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2018-11-28 12:12:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_done_signal [2018-11-28 12:12:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_done_signal [2018-11-28 12:12:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-28 12:12:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2018-11-28 12:12:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending [2018-11-28 12:12:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending [2018-11-28 12:12:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2018-11-28 12:12:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2018-11-28 12:12:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_endpoint [2018-11-28 12:12:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_endpoint [2018-11-28 12:12:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2018-11-28 12:12:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2018-11-28 12:12:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-28 12:12:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-11-28 12:12:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_data_in [2018-11-28 12:12:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_data_in [2018-11-28 12:12:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:12:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-28 12:12:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-28 12:12:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 12:12:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 12:12:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2018-11-28 12:12:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2018-11-28 12:12:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure vring_need_event [2018-11-28 12:12:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_need_event [2018-11-28 12:12:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_parse_pr_out_transport_id [2018-11-28 12:12:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_parse_pr_out_transport_id [2018-11-28 12:12:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_to_sgl [2018-11-28 12:12:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_to_sgl [2018-11-28 12:12:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_unlink [2018-11-28 12:12:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_unlink [2018-11-28 12:12:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit_to_user [2018-11-28 12:12:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit_to_user [2018-11-28 12:12:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2018-11-28 12:12:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-28 12:12:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-28 12:12:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2018-11-28 12:12:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2018-11-28 12:12:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-28 12:12:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-28 12:12:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2018-11-28 12:12:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2018-11-28 12:12:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2018-11-28 12:12:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2018-11-28 12:12:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2018-11-28 12:12:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2018-11-28 12:12:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-28 12:12:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-28 12:12:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2018-11-28 12:12:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2018-11-28 12:12:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2018-11-28 12:12:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2018-11-28 12:12:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-11-28 12:12:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-11-28 12:12:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2018-11-28 12:12:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-11-28 12:12:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2018-11-28 12:12:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-28 12:12:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_free_iovecs [2018-11-28 12:12:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_free_iovecs [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:12:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:12:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovec [2018-11-28 12:12:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovec [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2018-11-28 12:12:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:12:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 12:12:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-28 12:12:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2018-11-28 12:12:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id [2018-11-28 12:12:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id [2018-11-28 12:12:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-11-28 12:12:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-11-28 12:12:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tport [2018-11-28 12:12:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tport [2018-11-28 12:12:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-28 12:12:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2018-11-28 12:12:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2018-11-28 12:12:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2018-11-28 12:12:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2018-11-28 12:12:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2018-11-28 12:12:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2018-11-28 12:12:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2018-11-28 12:12:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2018-11-28 12:12:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2018-11-28 12:12:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2018-11-28 12:12:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2018-11-28 12:12:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_memory [2018-11-28 12:12:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_memory [2018-11-28 12:12:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_alloc_iovecs [2018-11-28 12:12:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_alloc_iovecs [2018-11-28 12:12:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-28 12:12:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2018-11-28 12:12:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_proto_ident [2018-11-28 12:12:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_proto_ident [2018-11-28 12:12:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-28 12:12:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-11-28 12:12:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id [2018-11-28 12:12:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id [2018-11-28 12:12:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2018-11-28 12:12:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2018-11-28 12:12:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_cmd_state [2018-11-28 12:12:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_cmd_state [2018-11-28 12:12:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2018-11-28 12:12:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2018-11-28 12:12:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2018-11-28 12:12:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2018-11-28 12:12:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2018-11-28 12:12:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2018-11-28 12:12:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_nodeacl [2018-11-28 12:12:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_nodeacl [2018-11-28 12:12:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2018-11-28 12:12:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2018-11-28 12:12:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-28 12:12:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2018-11-28 12:12:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-28 12:12:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-11-28 12:12:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_name [2018-11-28 12:12:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_name [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2018-11-28 12:12:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2018-11-28 12:12:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2018-11-28 12:12:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2018-11-28 12:12:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_iov_to_sgl [2018-11-28 12:12:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_iov_to_sgl [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-28 12:12:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:12:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2018-11-28 12:12:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2018-11-28 12:12:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2018-11-28 12:12:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-28 12:12:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-28 12:12:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2018-11-28 12:12:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2018-11-28 12:12:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id_len [2018-11-28 12:12:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id_len [2018-11-28 12:12:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2018-11-28 12:12:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2018-11-28 12:12:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2018-11-28 12:12:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2018-11-28 12:12:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-28 12:12:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2018-11-28 12:12:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2018-11-28 12:12:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2018-11-28 12:12:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2018-11-28 12:12:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-28 12:12:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2018-11-28 12:12:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-28 12:12:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_shutdown_session [2018-11-28 12:12:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_shutdown_session [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2018-11-28 12:12:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-11-28 12:12:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2018-11-28 12:12:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2018-11-28 12:12:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-28 12:12:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-28 12:12:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2018-11-28 12:12:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2018-11-28 12:12:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_ioctl [2018-11-28 12:12:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_ioctl [2018-11-28 12:12:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-11-28 12:12:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2018-11-28 12:12:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-11-28 12:12:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2018-11-28 12:12:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2018-11-28 12:12:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2018-11-28 12:12:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2018-11-28 12:12:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-28 12:12:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-11-28 12:12:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-28 12:12:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-28 12:12:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-28 12:12:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-28 12:12:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush [2018-11-28 12:12:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush [2018-11-28 12:12:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_mm [2018-11-28 12:12:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_mm [2018-11-28 12:12:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_deregister [2018-11-28 12:12:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_deregister [2018-11-28 12:12:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_parse_pr_out_transport_id [2018-11-28 12:12:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_parse_pr_out_transport_id [2018-11-28 12:12:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-28 12:12:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-28 12:12:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 12:12:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 12:12:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2018-11-28 12:12:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2018-11-28 12:12:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_fabric_proto_ident [2018-11-28 12:12:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_fabric_proto_ident [2018-11-28 12:12:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2018-11-28 12:12:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2018-11-28 12:12:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_wakeup [2018-11-28 12:12:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_wakeup [2018-11-28 12:12:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:12:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:12:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-28 12:12:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-11-28 12:12:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-11-28 12:12:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-11-28 12:12:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2018-11-28 12:12:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2018-11-28 12:12:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending_status [2018-11-28 12:12:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending_status [2018-11-28 12:12:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2018-11-28 12:12:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2018-11-28 12:12:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2018-11-28 12:12:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2018-11-28 12:12:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-28 12:12:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-28 12:12:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure target_submit_cmd_map_sgls [2018-11-28 12:12:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure target_submit_cmd_map_sgls [2018-11-28 12:12:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-28 12:12:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2018-11-28 12:12:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2018-11-28 12:12:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_46 [2018-11-28 12:12:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_46 [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_48 [2018-11-28 12:12:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_48 [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2018-11-28 12:12:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2018-11-28 12:12:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_44 [2018-11-28 12:12:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_44 [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2018-11-28 12:12:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2018-11-28 12:12:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2018-11-28 12:12:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_get_cmd_from_completion [2018-11-28 12:12:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_get_cmd_from_completion [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2018-11-28 12:12:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-28 12:12:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_add_initiator_node_acl [2018-11-28 12:12:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_add_initiator_node_acl [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2018-11-28 12:12:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2018-11-28 12:12:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-28 12:12:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2018-11-28 12:12:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2018-11-28 12:12:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_log_access_ok [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_log_access_ok [2018-11-28 12:12:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2018-11-28 12:12:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2018-11-28 12:12:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2018-11-28 12:12:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-28 12:12:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2018-11-28 12:12:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-28 12:12:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_vring [2018-11-28 12:12:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_vring [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id_len [2018-11-28 12:12:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id_len [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2018-11-28 12:12:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-28 12:12:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_get_inst_index [2018-11-28 12:12:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_get_inst_index [2018-11-28 12:12:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2018-11-28 12:12:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2018-11-28 12:12:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2018-11-28 12:12:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2018-11-28 12:12:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2018-11-28 12:12:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2018-11-28 12:12:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2018-11-28 12:12:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2018-11-28 12:12:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2018-11-28 12:12:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2018-11-28 12:12:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2018-11-28 12:12:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2018-11-28 12:12:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id [2018-11-28 12:12:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2018-11-28 12:12:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2018-11-28 12:12:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2018-11-28 12:12:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_wwn [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_wwn [2018-11-28 12:12:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2018-11-28 12:12:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-28 12:12:06,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd_work [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd_work [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_exit [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_exit [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_free_cmd [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_free_cmd [2018-11-28 12:12:06,591 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2018-11-28 12:12:06,591 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2018-11-28 12:12:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_status [2018-11-28 12:12:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_status [2018-11-28 12:12:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-11-28 12:12:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2018-11-28 12:12:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2018-11-28 12:12:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2018-11-28 12:12:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_varlen_cdb_length [2018-11-28 12:12:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_varlen_cdb_length [2018-11-28 12:12:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 12:12:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-11-28 12:12:06,592 INFO L130 BoogieDeclarations]: Found specification of procedure fc_parse_pr_out_transport_id [2018-11-28 12:12:06,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_parse_pr_out_transport_id [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-11-28 12:12:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_init [2018-11-28 12:12:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_init [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2018-11-28 12:12:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-28 12:12:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2018-11-28 12:12:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_features [2018-11-28 12:12:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_features [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_tm_rsp [2018-11-28 12:12:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_tm_rsp [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-11-28 12:12:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-28 12:12:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_dirty_lock [2018-11-28 12:12:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_dirty_lock [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id_len [2018-11-28 12:12:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id_len [2018-11-28 12:12:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2018-11-28 12:12:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2018-11-28 12:12:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_67 [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_67 [2018-11-28 12:12:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_notify [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_notify [2018-11-28 12:12:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_compat_ioctl [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_compat_ioctl [2018-11-28 12:12:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_register_configfs [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_register_configfs [2018-11-28 12:12:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_65 [2018-11-28 12:12:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_65 [2018-11-28 12:12:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_default_depth [2018-11-28 12:12:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_default_depth [2018-11-28 12:12:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_62 [2018-11-28 12:12:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_62 [2018-11-28 12:12:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_set_owner [2018-11-28 12:12:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_set_owner [2018-11-28 12:12:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2018-11-28 12:12:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2018-11-28 12:12:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_tag [2018-11-28 12:12:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_tag [2018-11-28 12:12:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-28 12:12:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2018-11-28 12:12:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2018-11-28 12:12:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-11-28 12:12:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2018-11-28 12:12:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2018-11-28 12:12:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2018-11-28 12:12:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2018-11-28 12:12:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2018-11-28 12:12:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2018-11-28 12:12:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_allocate_cmd [2018-11-28 12:12:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_allocate_cmd [2018-11-28 12:12:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2018-11-28 12:12:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2018-11-28 12:12:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2018-11-28 12:12:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2018-11-28 12:12:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2018-11-28 12:12:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2018-11-28 12:12:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2018-11-28 12:12:06,598 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2018-11-28 12:12:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2018-11-28 12:12:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2018-11-28 12:12:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-28 12:12:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2018-11-28 12:12:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-28 12:12:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-28 12:12:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2018-11-28 12:12:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2018-11-28 12:12:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure cgroup_attach_task_all [2018-11-28 12:12:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cgroup_attach_task_all [2018-11-28 12:12:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_sess_get_index [2018-11-28 12:12:06,599 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_sess_get_index [2018-11-28 12:12:06,599 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2018-11-28 12:12:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_false [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_false [2018-11-28 12:12:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2018-11-28 12:12:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2018-11-28 12:12:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2018-11-28 12:12:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups_work [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups_work [2018-11-28 12:12:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2018-11-28 12:12:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2018-11-28 12:12:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-11-28 12:12:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2018-11-28 12:12:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure target_execute_cmd [2018-11-28 12:12:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure target_execute_cmd [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_show_nexus [2018-11-28 12:12:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_show_nexus [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2018-11-28 12:12:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2018-11-28 12:12:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_fabric_proto_ident [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_fabric_proto_ident [2018-11-28 12:12:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2018-11-28 12:12:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2018-11-28 12:12:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-11-28 12:12:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2018-11-28 12:12:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-28 12:12:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-28 12:12:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-28 12:12:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_vq [2018-11-28 12:12:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_vq [2018-11-28 12:12:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_submission_work [2018-11-28 12:12:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_submission_work [2018-11-28 12:12:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2018-11-28 12:12:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2018-11-28 12:13:29,366 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:13:29,366 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:13:29,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:13:29 BoogieIcfgContainer [2018-11-28 12:13:29,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:13:29,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:13:29,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:13:29,369 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:13:29,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:12:02" (1/3) ... [2018-11-28 12:13:29,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ff0773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:13:29, skipping insertion in model container [2018-11-28 12:13:29,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:12:06" (2/3) ... [2018-11-28 12:13:29,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ff0773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:13:29, skipping insertion in model container [2018-11-28 12:13:29,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:13:29" (3/3) ... [2018-11-28 12:13:29,372 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-11-28 12:13:29,380 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:13:29,387 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:13:29,400 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:13:29,430 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:13:29,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:13:29,431 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:13:29,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:13:29,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:13:29,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:13:29,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:13:29,431 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:13:29,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:13:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states. [2018-11-28 12:13:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 12:13:29,480 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:29,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:13:29,483 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:29,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:29,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1370762595, now seen corresponding path program 1 times [2018-11-28 12:13:29,492 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:13:29,493 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:13:29,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:31,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:13:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:13:31,666 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:13:31,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:31,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:13:31,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:13:31,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:13:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:13:31,695 INFO L87 Difference]: Start difference. First operand 3121 states. Second operand 3 states. [2018-11-28 12:13:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:13:43,258 INFO L93 Difference]: Finished difference Result 6161 states and 8480 transitions. [2018-11-28 12:13:43,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:13:43,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-28 12:13:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:13:43,287 INFO L225 Difference]: With dead ends: 6161 [2018-11-28 12:13:43,287 INFO L226 Difference]: Without dead ends: 3097 [2018-11-28 12:13:43,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:13:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2018-11-28 12:13:43,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 3097. [2018-11-28 12:13:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3097 states. [2018-11-28 12:13:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 4177 transitions. [2018-11-28 12:13:43,442 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 4177 transitions. Word has length 25 [2018-11-28 12:13:43,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:13:43,444 INFO L480 AbstractCegarLoop]: Abstraction has 3097 states and 4177 transitions. [2018-11-28 12:13:43,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:13:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 4177 transitions. [2018-11-28 12:13:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 12:13:43,445 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:43,445 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:13:43,445 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:43,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:43,446 INFO L82 PathProgramCache]: Analyzing trace with hash 454185033, now seen corresponding path program 1 times [2018-11-28 12:13:43,447 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:13:43,447 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:13:43,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:45,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:13:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:13:45,529 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:13:45,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:45,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:13:45,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:13:45,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:13:45,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:13:45,540 INFO L87 Difference]: Start difference. First operand 3097 states and 4177 transitions. Second operand 3 states. [2018-11-28 12:13:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:13:57,070 INFO L93 Difference]: Finished difference Result 3099 states and 4178 transitions. [2018-11-28 12:13:57,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:13:57,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-28 12:13:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:13:57,080 INFO L225 Difference]: With dead ends: 3099 [2018-11-28 12:13:57,080 INFO L226 Difference]: Without dead ends: 3096 [2018-11-28 12:13:57,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:13:57,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2018-11-28 12:13:57,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 3096. [2018-11-28 12:13:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3096 states. [2018-11-28 12:13:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 4175 transitions. [2018-11-28 12:13:57,175 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 4175 transitions. Word has length 26 [2018-11-28 12:13:57,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:13:57,175 INFO L480 AbstractCegarLoop]: Abstraction has 3096 states and 4175 transitions. [2018-11-28 12:13:57,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:13:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 4175 transitions. [2018-11-28 12:13:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 12:13:57,176 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:13:57,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:13:57,176 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:13:57,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:13:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1192991520, now seen corresponding path program 1 times [2018-11-28 12:13:57,178 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:13:57,178 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:13:57,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:13:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:13:58,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:13:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:13:58,995 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:13:59,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:13:59,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:13:59,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:13:59,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:13:59,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:13:59,002 INFO L87 Difference]: Start difference. First operand 3096 states and 4175 transitions. Second operand 3 states. [2018-11-28 12:14:09,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:14:09,383 INFO L93 Difference]: Finished difference Result 3098 states and 4176 transitions. [2018-11-28 12:14:09,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:14:09,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-11-28 12:14:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:14:09,394 INFO L225 Difference]: With dead ends: 3098 [2018-11-28 12:14:09,394 INFO L226 Difference]: Without dead ends: 3095 [2018-11-28 12:14:09,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2018-11-28 12:14:09,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 3095. [2018-11-28 12:14:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3095 states. [2018-11-28 12:14:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4173 transitions. [2018-11-28 12:14:09,497 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4173 transitions. Word has length 27 [2018-11-28 12:14:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:14:09,498 INFO L480 AbstractCegarLoop]: Abstraction has 3095 states and 4173 transitions. [2018-11-28 12:14:09,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:14:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4173 transitions. [2018-11-28 12:14:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 12:14:09,498 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:14:09,499 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:14:09,499 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:14:09,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:14:09,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1673806292, now seen corresponding path program 1 times [2018-11-28 12:14:09,500 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:14:09,500 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:14:09,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:14:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:14:11,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:14:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:14:11,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:14:11,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:14:11,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:14:11,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:14:11,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:14:11,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:11,285 INFO L87 Difference]: Start difference. First operand 3095 states and 4173 transitions. Second operand 3 states. [2018-11-28 12:14:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:14:21,951 INFO L93 Difference]: Finished difference Result 6567 states and 8759 transitions. [2018-11-28 12:14:21,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:14:21,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-11-28 12:14:21,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:14:21,967 INFO L225 Difference]: With dead ends: 6567 [2018-11-28 12:14:21,967 INFO L226 Difference]: Without dead ends: 3540 [2018-11-28 12:14:21,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:21,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2018-11-28 12:14:22,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3535. [2018-11-28 12:14:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3535 states. [2018-11-28 12:14:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3535 states and 4655 transitions. [2018-11-28 12:14:22,149 INFO L78 Accepts]: Start accepts. Automaton has 3535 states and 4655 transitions. Word has length 28 [2018-11-28 12:14:22,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:14:22,149 INFO L480 AbstractCegarLoop]: Abstraction has 3535 states and 4655 transitions. [2018-11-28 12:14:22,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:14:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 4655 transitions. [2018-11-28 12:14:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 12:14:22,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:14:22,150 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:14:22,150 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:14:22,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:14:22,150 INFO L82 PathProgramCache]: Analyzing trace with hash -350220381, now seen corresponding path program 1 times [2018-11-28 12:14:22,152 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:14:22,152 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:14:22,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:14:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:14:24,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:14:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:14:24,295 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:14:24,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:14:24,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:14:24,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:14:24,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:14:24,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:24,302 INFO L87 Difference]: Start difference. First operand 3535 states and 4655 transitions. Second operand 3 states. [2018-11-28 12:14:35,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:14:35,574 INFO L93 Difference]: Finished difference Result 3568 states and 4682 transitions. [2018-11-28 12:14:35,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:14:35,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-28 12:14:35,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:14:35,590 INFO L225 Difference]: With dead ends: 3568 [2018-11-28 12:14:35,590 INFO L226 Difference]: Without dead ends: 3564 [2018-11-28 12:14:35,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2018-11-28 12:14:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3560. [2018-11-28 12:14:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3560 states. [2018-11-28 12:14:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4674 transitions. [2018-11-28 12:14:35,772 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4674 transitions. Word has length 29 [2018-11-28 12:14:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:14:35,773 INFO L480 AbstractCegarLoop]: Abstraction has 3560 states and 4674 transitions. [2018-11-28 12:14:35,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:14:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4674 transitions. [2018-11-28 12:14:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 12:14:35,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:14:35,774 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:14:35,774 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:14:35,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:14:35,775 INFO L82 PathProgramCache]: Analyzing trace with hash 2026242063, now seen corresponding path program 1 times [2018-11-28 12:14:35,776 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:14:35,776 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:14:35,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:14:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:14:37,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:14:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:14:37,752 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:14:37,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:14:37,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:14:37,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:14:37,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:14:37,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:37,758 INFO L87 Difference]: Start difference. First operand 3560 states and 4674 transitions. Second operand 3 states. [2018-11-28 12:14:49,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:14:49,189 INFO L93 Difference]: Finished difference Result 3582 states and 4694 transitions. [2018-11-28 12:14:49,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:14:49,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-28 12:14:49,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:14:49,205 INFO L225 Difference]: With dead ends: 3582 [2018-11-28 12:14:49,205 INFO L226 Difference]: Without dead ends: 3550 [2018-11-28 12:14:49,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:49,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2018-11-28 12:14:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3548. [2018-11-28 12:14:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2018-11-28 12:14:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4650 transitions. [2018-11-28 12:14:49,412 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4650 transitions. Word has length 30 [2018-11-28 12:14:49,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:14:49,412 INFO L480 AbstractCegarLoop]: Abstraction has 3548 states and 4650 transitions. [2018-11-28 12:14:49,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:14:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4650 transitions. [2018-11-28 12:14:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-28 12:14:49,418 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:14:49,419 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:14:49,419 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:14:49,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:14:49,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1958609056, now seen corresponding path program 1 times [2018-11-28 12:14:49,420 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:14:49,420 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:14:49,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:14:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:14:51,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:14:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:14:51,386 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:14:51,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:14:51,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:14:51,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:14:51,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:14:51,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:14:51,394 INFO L87 Difference]: Start difference. First operand 3548 states and 4650 transitions. Second operand 6 states. [2018-11-28 12:14:51,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:14:51,697 INFO L93 Difference]: Finished difference Result 7014 states and 9204 transitions. [2018-11-28 12:14:51,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:14:51,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-11-28 12:14:51,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:14:51,712 INFO L225 Difference]: With dead ends: 7014 [2018-11-28 12:14:51,712 INFO L226 Difference]: Without dead ends: 3548 [2018-11-28 12:14:51,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:14:51,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2018-11-28 12:14:51,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 3548. [2018-11-28 12:14:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2018-11-28 12:14:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4649 transitions. [2018-11-28 12:14:51,931 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4649 transitions. Word has length 91 [2018-11-28 12:14:51,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:14:51,931 INFO L480 AbstractCegarLoop]: Abstraction has 3548 states and 4649 transitions. [2018-11-28 12:14:51,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:14:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4649 transitions. [2018-11-28 12:14:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 12:14:51,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:14:51,935 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:14:51,935 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:14:51,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:14:51,935 INFO L82 PathProgramCache]: Analyzing trace with hash 652181494, now seen corresponding path program 1 times [2018-11-28 12:14:51,936 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:14:51,937 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:14:51,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:14:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:14:53,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:14:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:14:53,929 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:14:53,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:14:53,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:14:53,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:14:53,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:14:53,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:14:53,935 INFO L87 Difference]: Start difference. First operand 3548 states and 4649 transitions. Second operand 3 states. [2018-11-28 12:15:05,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:05,336 INFO L93 Difference]: Finished difference Result 3861 states and 5000 transitions. [2018-11-28 12:15:05,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:15:05,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-28 12:15:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:05,348 INFO L225 Difference]: With dead ends: 3861 [2018-11-28 12:15:05,349 INFO L226 Difference]: Without dead ends: 3214 [2018-11-28 12:15:05,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:15:05,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3214 states. [2018-11-28 12:15:05,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 3212. [2018-11-28 12:15:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3212 states. [2018-11-28 12:15:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 3212 states and 4182 transitions. [2018-11-28 12:15:05,520 INFO L78 Accepts]: Start accepts. Automaton has 3212 states and 4182 transitions. Word has length 98 [2018-11-28 12:15:05,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:05,520 INFO L480 AbstractCegarLoop]: Abstraction has 3212 states and 4182 transitions. [2018-11-28 12:15:05,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:15:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3212 states and 4182 transitions. [2018-11-28 12:15:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 12:15:05,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:05,525 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:15:05,525 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:05,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:05,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1818334482, now seen corresponding path program 1 times [2018-11-28 12:15:05,527 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:15:05,527 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:15:05,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:07,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:15:07,448 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:15:07,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:07,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:15:07,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:15:07,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:15:07,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:15:07,455 INFO L87 Difference]: Start difference. First operand 3212 states and 4182 transitions. Second operand 3 states. [2018-11-28 12:15:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:18,951 INFO L93 Difference]: Finished difference Result 3214 states and 4183 transitions. [2018-11-28 12:15:18,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:15:18,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-11-28 12:15:18,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:18,960 INFO L225 Difference]: With dead ends: 3214 [2018-11-28 12:15:18,960 INFO L226 Difference]: Without dead ends: 3211 [2018-11-28 12:15:18,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:15:18,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2018-11-28 12:15:19,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 3211. [2018-11-28 12:15:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3211 states. [2018-11-28 12:15:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 3211 states and 4179 transitions. [2018-11-28 12:15:19,068 INFO L78 Accepts]: Start accepts. Automaton has 3211 states and 4179 transitions. Word has length 100 [2018-11-28 12:15:19,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:19,068 INFO L480 AbstractCegarLoop]: Abstraction has 3211 states and 4179 transitions. [2018-11-28 12:15:19,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:15:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 4179 transitions. [2018-11-28 12:15:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-28 12:15:19,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:19,071 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:15:19,071 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:19,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:19,072 INFO L82 PathProgramCache]: Analyzing trace with hash 533987245, now seen corresponding path program 1 times [2018-11-28 12:15:19,073 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:15:19,073 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:15:19,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:24,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:15:24,415 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:15:24,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:24,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:15:24,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:15:24,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:15:24,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:15:24,433 INFO L87 Difference]: Start difference. First operand 3211 states and 4179 transitions. Second operand 6 states. [2018-11-28 12:15:24,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:24,586 INFO L93 Difference]: Finished difference Result 6339 states and 8262 transitions. [2018-11-28 12:15:24,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:15:24,587 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-28 12:15:24,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:24,594 INFO L225 Difference]: With dead ends: 6339 [2018-11-28 12:15:24,595 INFO L226 Difference]: Without dead ends: 3196 [2018-11-28 12:15:24,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:15:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2018-11-28 12:15:24,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 3196. [2018-11-28 12:15:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3196 states. [2018-11-28 12:15:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 4162 transitions. [2018-11-28 12:15:24,772 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 4162 transitions. Word has length 120 [2018-11-28 12:15:24,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:24,773 INFO L480 AbstractCegarLoop]: Abstraction has 3196 states and 4162 transitions. [2018-11-28 12:15:24,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:15:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 4162 transitions. [2018-11-28 12:15:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-28 12:15:24,778 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:24,778 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:24,778 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:24,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:24,778 INFO L82 PathProgramCache]: Analyzing trace with hash 849278647, now seen corresponding path program 1 times [2018-11-28 12:15:24,780 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:15:24,780 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc37c337-d796-4d1d-ac13-ff1ac740dc9b/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:15:24,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:00,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:16:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:16:01,830 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:16:01,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:01,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-28 12:16:01,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:16:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:16:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:16:01,886 INFO L87 Difference]: Start difference. First operand 3196 states and 4162 transitions. Second operand 14 states. [2018-11-28 12:16:05,408 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-28 12:16:05,409 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:651) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:255) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-28 12:16:05,412 INFO L168 Benchmark]: Toolchain (without parser) took 243364.21 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 921.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 377.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,414 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:05,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4103.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 921.9 MB in the beginning and 1.0 GB in the end (delta: -112.0 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,415 INFO L168 Benchmark]: Boogie Preprocessor took 255.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 934.7 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,415 INFO L168 Benchmark]: RCFGBuilder took 82874.11 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 940.6 MB). Free memory was 934.7 MB in the beginning and 1.3 GB in the end (delta: -366.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-28 12:16:05,416 INFO L168 Benchmark]: TraceAbstraction took 156044.71 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 450.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -908.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:16:05,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4103.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 921.9 MB in the beginning and 1.0 GB in the end (delta: -112.0 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 255.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 934.7 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 82874.11 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 940.6 MB). Free memory was 934.7 MB in the beginning and 1.3 GB in the end (delta: -366.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * TraceAbstraction took 156044.71 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 450.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -908.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...