./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 0.1.23-635dfa2 [2018-12-01 19:06:56,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:06:56,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:06:56,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:06:56,641 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:06:56,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:06:56,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:06:56,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:06:56,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:06:56,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:06:56,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:06:56,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:06:56,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:06:56,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:06:56,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:06:56,646 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:06:56,647 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:06:56,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:06:56,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:06:56,649 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:06:56,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:06:56,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:06:56,651 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:06:56,651 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:06:56,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:06:56,652 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:06:56,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:06:56,653 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:06:56,653 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:06:56,654 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:06:56,654 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:06:56,654 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:06:56,654 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:06:56,655 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:06:56,655 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:06:56,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:06:56,656 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-12-01 19:06:56,662 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:06:56,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:06:56,663 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:06:56,663 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 19:06:56,664 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:06:56,664 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:06:56,664 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 19:06:56,664 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:06:56,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:06:56,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:06:56,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:06:56,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:06:56,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:06:56,665 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:06:56,665 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:06:56,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:06:56,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:06:56,665 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 19:06:56,665 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:06:56,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:06:56,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:06:56,667 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 19:06:56,667 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_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:06:56,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:06:56,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:06:56,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:06:56,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:06:56,697 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:06:56,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-12-01 19:06:56,732 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/27908c6e6/d658c77247dd4569a67251c9a9dd6cc9/FLAG4ee9d25a7 [2018-12-01 19:06:57,231 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:06:57,232 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-12-01 19:06:57,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/27908c6e6/d658c77247dd4569a67251c9a9dd6cc9/FLAG4ee9d25a7 [2018-12-01 19:06:57,465 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/27908c6e6/d658c77247dd4569a67251c9a9dd6cc9 [2018-12-01 19:06:57,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:06:57,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:06:57,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:06:57,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:06:57,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:06:57,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:06:57" (1/1) ... [2018-12-01 19:06:57,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14eb6309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:06:57, skipping insertion in model container [2018-12-01 19:06:57,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:06:57" (1/1) ... [2018-12-01 19:06:57,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:06:57,551 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:06:59,727 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:06:59,741 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:06:59,965 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:07:00,411 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:07:00,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00 WrapperNode [2018-12-01 19:07:00,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:07:00,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:07:00,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:07:00,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:07:00,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:07:00,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:07:00,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:07:00,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:07:00,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... [2018-12-01 19:07:00,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:07:00,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:07:00,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:07:00,658 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:07:00,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:07:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2018-12-01 19:07:00,693 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2018-12-01 19:07:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2018-12-01 19:07:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2018-12-01 19:07:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2018-12-01 19:07:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2018-12-01 19:07:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2018-12-01 19:07:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2018-12-01 19:07:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2018-12-01 19:07:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2018-12-01 19:07:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2018-12-01 19:07:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2018-12-01 19:07:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2018-12-01 19:07:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2018-12-01 19:07:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2018-12-01 19:07:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2018-12-01 19:07:00,695 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2018-12-01 19:07:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2018-12-01 19:07:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2018-12-01 19:07:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_task_tag [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_task_tag [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2018-12-01 19:07:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2018-12-01 19:07:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_deregister_configfs [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_deregister_configfs [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_59 [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_59 [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_57 [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_57 [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_58 [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_58 [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_wwn_show_attr_version [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_wwn_show_attr_version [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ctl_handle_kick [2018-12-01 19:07:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ctl_handle_kick [2018-12-01 19:07:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_true [2018-12-01 19:07:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_true [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure get_indirect [2018-12-01 19:07:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_indirect [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-12-01 19:07:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-12-01 19:07:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2018-12-01 19:07:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2018-12-01 19:07:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2018-12-01 19:07:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2018-12-01 19:07:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2018-12-01 19:07:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure find_region [2018-12-01 19:07:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure find_region [2018-12-01 19:07:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure transport_deregister_session [2018-12-01 19:07:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_deregister_session [2018-12-01 19:07:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_47 [2018-12-01 19:07:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_47 [2018-12-01 19:07:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2018-12-01 19:07:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2018-12-01 19:07:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2018-12-01 19:07:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_43 [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_43 [2018-12-01 19:07:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2018-12-01 19:07:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-01 19:07:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_init [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_init [2018-12-01 19:07:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2018-12-01 19:07:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2018-12-01 19:07:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_63 [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_63 [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_60 [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_60 [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_61 [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_61 [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_del_initiator_node_acl [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_del_initiator_node_acl [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_evt_handle_kick [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_evt_handle_kick [2018-12-01 19:07:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_68 [2018-12-01 19:07:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_68 [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_kick [2018-12-01 19:07:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_kick [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_66 [2018-12-01 19:07:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_66 [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2018-12-01 19:07:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_64 [2018-12-01 19:07:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_64 [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-12-01 19:07:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2018-12-01 19:07:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2018-12-01 19:07:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-12-01 19:07:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-12-01 19:07:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_avail_event [2018-12-01 19:07:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_avail_event [2018-12-01 19:07:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2018-12-01 19:07:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2018-12-01 19:07:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2018-12-01 19:07:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2018-12-01 19:07:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2018-12-01 19:07:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tpg [2018-12-01 19:07:00,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tpg [2018-12-01 19:07:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2018-12-01 19:07:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2018-12-01 19:07:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:07:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-12-01 19:07:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-12-01 19:07:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-12-01 19:07:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2018-12-01 19:07:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-01 19:07:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-01 19:07:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_register [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_register [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2018-12-01 19:07:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-01 19:07:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_done_signal [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_done_signal [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_endpoint [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_endpoint [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-12-01 19:07:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-01 19:07:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_data_in [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_data_in [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure vring_need_event [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_need_event [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_parse_pr_out_transport_id [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_parse_pr_out_transport_id [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_to_sgl [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_to_sgl [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_unlink [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_unlink [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit_to_user [2018-12-01 19:07:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit_to_user [2018-12-01 19:07:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2018-12-01 19:07:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-12-01 19:07:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_free_iovecs [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_free_iovecs [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovec [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovec [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2018-12-01 19:07:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 19:07:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tport [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tport [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2018-12-01 19:07:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2018-12-01 19:07:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_memory [2018-12-01 19:07:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_memory [2018-12-01 19:07:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_alloc_iovecs [2018-12-01 19:07:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_alloc_iovecs [2018-12-01 19:07:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-12-01 19:07:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2018-12-01 19:07:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_proto_ident [2018-12-01 19:07:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_proto_ident [2018-12-01 19:07:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-01 19:07:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-01 19:07:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id [2018-12-01 19:07:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id [2018-12-01 19:07:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2018-12-01 19:07:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2018-12-01 19:07:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_cmd_state [2018-12-01 19:07:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_cmd_state [2018-12-01 19:07:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2018-12-01 19:07:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2018-12-01 19:07:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2018-12-01 19:07:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2018-12-01 19:07:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2018-12-01 19:07:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2018-12-01 19:07:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_nodeacl [2018-12-01 19:07:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_nodeacl [2018-12-01 19:07:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2018-12-01 19:07:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2018-12-01 19:07:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-01 19:07:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-01 19:07:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2018-12-01 19:07:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2018-12-01 19:07:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-12-01 19:07:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-12-01 19:07:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-12-01 19:07:00,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-12-01 19:07:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_name [2018-12-01 19:07:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_name [2018-12-01 19:07:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2018-12-01 19:07:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2018-12-01 19:07:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2018-12-01 19:07:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2018-12-01 19:07:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2018-12-01 19:07:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2018-12-01 19:07:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_iov_to_sgl [2018-12-01 19:07:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_iov_to_sgl [2018-12-01 19:07:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-12-01 19:07:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2018-12-01 19:07:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:07:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:07:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2018-12-01 19:07:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2018-12-01 19:07:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2018-12-01 19:07:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2018-12-01 19:07:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-12-01 19:07:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-12-01 19:07:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2018-12-01 19:07:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2018-12-01 19:07:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id_len [2018-12-01 19:07:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id_len [2018-12-01 19:07:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2018-12-01 19:07:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2018-12-01 19:07:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2018-12-01 19:07:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2018-12-01 19:07:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2018-12-01 19:07:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2018-12-01 19:07:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2018-12-01 19:07:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2018-12-01 19:07:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2018-12-01 19:07:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2018-12-01 19:07:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_shutdown_session [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_shutdown_session [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 19:07:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2018-12-01 19:07:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_ioctl [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_ioctl [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-12-01 19:07:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush [2018-12-01 19:07:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_mm [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_mm [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_deregister [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_deregister [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_parse_pr_out_transport_id [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_parse_pr_out_transport_id [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_fabric_proto_ident [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_fabric_proto_ident [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_wakeup [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_wakeup [2018-12-01 19:07:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 19:07:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending_status [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending_status [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2018-12-01 19:07:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-01 19:07:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-01 19:07:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure target_submit_cmd_map_sgls [2018-12-01 19:07:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure target_submit_cmd_map_sgls [2018-12-01 19:07:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-01 19:07:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-01 19:07:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2018-12-01 19:07:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2018-12-01 19:07:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 19:07:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2018-12-01 19:07:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2018-12-01 19:07:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_46 [2018-12-01 19:07:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_46 [2018-12-01 19:07:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_48 [2018-12-01 19:07:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_48 [2018-12-01 19:07:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2018-12-01 19:07:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2018-12-01 19:07:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_44 [2018-12-01 19:07:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_44 [2018-12-01 19:07:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2018-12-01 19:07:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2018-12-01 19:07:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2018-12-01 19:07:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2018-12-01 19:07:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2018-12-01 19:07:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_get_cmd_from_completion [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_get_cmd_from_completion [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_add_initiator_node_acl [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_add_initiator_node_acl [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_log_access_ok [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_log_access_ok [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2018-12-01 19:07:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2018-12-01 19:07:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_vring [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_vring [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id_len [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id_len [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_get_inst_index [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_get_inst_index [2018-12-01 19:07:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2018-12-01 19:07:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_wwn [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_wwn [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2018-12-01 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2018-12-01 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd_work [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd_work [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_exit [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_exit [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_free_cmd [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_free_cmd [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_status [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_status [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2018-12-01 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2018-12-01 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_varlen_cdb_length [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_varlen_cdb_length [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure fc_parse_pr_out_transport_id [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_parse_pr_out_transport_id [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_init [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_init [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_features [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_features [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_tm_rsp [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_tm_rsp [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-12-01 19:07:00,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-12-01 19:07:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_dirty_lock [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_dirty_lock [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id_len [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id_len [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_67 [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_67 [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_notify [2018-12-01 19:07:00,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_notify [2018-12-01 19:07:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_compat_ioctl [2018-12-01 19:07:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_compat_ioctl [2018-12-01 19:07:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_register_configfs [2018-12-01 19:07:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_register_configfs [2018-12-01 19:07:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_65 [2018-12-01 19:07:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_65 [2018-12-01 19:07:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_default_depth [2018-12-01 19:07:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_default_depth [2018-12-01 19:07:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_62 [2018-12-01 19:07:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_62 [2018-12-01 19:07:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_set_owner [2018-12-01 19:07:00,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_set_owner [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_tag [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_tag [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2018-12-01 19:07:00,731 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2018-12-01 19:07:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_allocate_cmd [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_allocate_cmd [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2018-12-01 19:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2018-12-01 19:07:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure cgroup_attach_task_all [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cgroup_attach_task_all [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_sess_get_index [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_sess_get_index [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_false [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_false [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2018-12-01 19:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2018-12-01 19:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups_work [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups_work [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure target_execute_cmd [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure target_execute_cmd [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_show_nexus [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_show_nexus [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_fabric_proto_ident [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_fabric_proto_ident [2018-12-01 19:07:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2018-12-01 19:07:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_vq [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_vq [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_submission_work [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_submission_work [2018-12-01 19:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2018-12-01 19:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2018-12-01 19:07:18,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:07:18,364 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 19:07:18,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:07:18 BoogieIcfgContainer [2018-12-01 19:07:18,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:07:18,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 19:07:18,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 19:07:18,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 19:07:18,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 07:06:57" (1/3) ... [2018-12-01 19:07:18,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9563bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:07:18, skipping insertion in model container [2018-12-01 19:07:18,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:07:00" (2/3) ... [2018-12-01 19:07:18,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9563bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:07:18, skipping insertion in model container [2018-12-01 19:07:18,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:07:18" (3/3) ... [2018-12-01 19:07:18,369 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-12-01 19:07:18,375 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 19:07:18,381 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 19:07:18,390 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 19:07:18,412 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 19:07:18,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 19:07:18,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 19:07:18,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 19:07:18,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 19:07:18,413 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 19:07:18,413 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 19:07:18,413 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 19:07:18,413 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 19:07:18,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states. [2018-12-01 19:07:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:07:18,457 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:18,457 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] [2018-12-01 19:07:18,459 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:18,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:18,464 INFO L82 PathProgramCache]: Analyzing trace with hash -409165872, now seen corresponding path program 1 times [2018-12-01 19:07:18,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:18,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:18,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:18,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:18,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:07:18,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:18,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:18,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:18,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:18,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:18,997 INFO L87 Difference]: Start difference. First operand 3130 states. Second operand 3 states. [2018-12-01 19:07:21,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:21,933 INFO L93 Difference]: Finished difference Result 6179 states and 8512 transitions. [2018-12-01 19:07:21,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:21,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-01 19:07:21,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:21,955 INFO L225 Difference]: With dead ends: 6179 [2018-12-01 19:07:21,955 INFO L226 Difference]: Without dead ends: 3106 [2018-12-01 19:07:21,966 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 [2018-12-01 19:07:21,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2018-12-01 19:07:22,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3106. [2018-12-01 19:07:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3106 states. [2018-12-01 19:07:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4192 transitions. [2018-12-01 19:07:22,084 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4192 transitions. Word has length 25 [2018-12-01 19:07:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:22,085 INFO L480 AbstractCegarLoop]: Abstraction has 3106 states and 4192 transitions. [2018-12-01 19:07:22,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4192 transitions. [2018-12-01 19:07:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 19:07:22,086 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:22,086 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] [2018-12-01 19:07:22,086 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:22,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:22,087 INFO L82 PathProgramCache]: Analyzing trace with hash 198907445, now seen corresponding path program 1 times [2018-12-01 19:07:22,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:22,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:22,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:22,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:22,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:07:22,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:22,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:22,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:22,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:22,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:22,277 INFO L87 Difference]: Start difference. First operand 3106 states and 4192 transitions. Second operand 3 states. [2018-12-01 19:07:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:25,145 INFO L93 Difference]: Finished difference Result 3108 states and 4193 transitions. [2018-12-01 19:07:25,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:25,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-01 19:07:25,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:25,155 INFO L225 Difference]: With dead ends: 3108 [2018-12-01 19:07:25,155 INFO L226 Difference]: Without dead ends: 3105 [2018-12-01 19:07:25,157 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 [2018-12-01 19:07:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3105 states. [2018-12-01 19:07:25,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3105 to 3105. [2018-12-01 19:07:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3105 states. [2018-12-01 19:07:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4190 transitions. [2018-12-01 19:07:25,237 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4190 transitions. Word has length 26 [2018-12-01 19:07:25,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:25,237 INFO L480 AbstractCegarLoop]: Abstraction has 3105 states and 4190 transitions. [2018-12-01 19:07:25,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4190 transitions. [2018-12-01 19:07:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:07:25,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:25,238 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] [2018-12-01 19:07:25,239 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:25,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:25,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1869315955, now seen corresponding path program 1 times [2018-12-01 19:07:25,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:25,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:25,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:25,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:25,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:07:25,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:25,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:25,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:25,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:25,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:25,424 INFO L87 Difference]: Start difference. First operand 3105 states and 4190 transitions. Second operand 3 states. [2018-12-01 19:07:28,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:28,364 INFO L93 Difference]: Finished difference Result 3107 states and 4191 transitions. [2018-12-01 19:07:28,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:28,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-12-01 19:07:28,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:28,373 INFO L225 Difference]: With dead ends: 3107 [2018-12-01 19:07:28,374 INFO L226 Difference]: Without dead ends: 3104 [2018-12-01 19:07:28,375 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 [2018-12-01 19:07:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2018-12-01 19:07:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3104. [2018-12-01 19:07:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3104 states. [2018-12-01 19:07:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4188 transitions. [2018-12-01 19:07:28,452 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4188 transitions. Word has length 27 [2018-12-01 19:07:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:28,452 INFO L480 AbstractCegarLoop]: Abstraction has 3104 states and 4188 transitions. [2018-12-01 19:07:28,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4188 transitions. [2018-12-01 19:07:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 19:07:28,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:28,453 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] [2018-12-01 19:07:28,453 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:28,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:28,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2112377080, now seen corresponding path program 1 times [2018-12-01 19:07:28,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:28,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:28,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:28,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:28,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:07:28,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:28,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:28,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:28,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:28,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:28,618 INFO L87 Difference]: Start difference. First operand 3104 states and 4188 transitions. Second operand 3 states. [2018-12-01 19:07:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:31,637 INFO L93 Difference]: Finished difference Result 7281 states and 9725 transitions. [2018-12-01 19:07:31,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:31,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-01 19:07:31,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:31,649 INFO L225 Difference]: With dead ends: 7281 [2018-12-01 19:07:31,649 INFO L226 Difference]: Without dead ends: 4245 [2018-12-01 19:07:31,656 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 [2018-12-01 19:07:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4245 states. [2018-12-01 19:07:31,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4245 to 4238. [2018-12-01 19:07:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4238 states. [2018-12-01 19:07:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 5600 transitions. [2018-12-01 19:07:31,758 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 5600 transitions. Word has length 28 [2018-12-01 19:07:31,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:31,758 INFO L480 AbstractCegarLoop]: Abstraction has 4238 states and 5600 transitions. [2018-12-01 19:07:31,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 5600 transitions. [2018-12-01 19:07:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 19:07:31,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:31,759 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] [2018-12-01 19:07:31,759 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:31,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:31,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1057342230, now seen corresponding path program 1 times [2018-12-01 19:07:31,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:31,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:31,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:31,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:31,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:07:31,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:31,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:31,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:31,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:31,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:31,916 INFO L87 Difference]: Start difference. First operand 4238 states and 5600 transitions. Second operand 3 states. [2018-12-01 19:07:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:34,822 INFO L93 Difference]: Finished difference Result 4277 states and 5631 transitions. [2018-12-01 19:07:34,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:34,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-12-01 19:07:34,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:34,833 INFO L225 Difference]: With dead ends: 4277 [2018-12-01 19:07:34,834 INFO L226 Difference]: Without dead ends: 4273 [2018-12-01 19:07:34,836 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 [2018-12-01 19:07:34,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2018-12-01 19:07:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4269. [2018-12-01 19:07:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4269 states. [2018-12-01 19:07:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 5622 transitions. [2018-12-01 19:07:34,939 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 5622 transitions. Word has length 29 [2018-12-01 19:07:34,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:34,939 INFO L480 AbstractCegarLoop]: Abstraction has 4269 states and 5622 transitions. [2018-12-01 19:07:34,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 5622 transitions. [2018-12-01 19:07:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 19:07:34,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:34,940 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] [2018-12-01 19:07:34,940 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:34,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1583962181, now seen corresponding path program 1 times [2018-12-01 19:07:34,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:34,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:34,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:34,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:34,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:07:35,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:35,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:35,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:35,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:35,098 INFO L87 Difference]: Start difference. First operand 4269 states and 5622 transitions. Second operand 3 states. [2018-12-01 19:07:37,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:37,967 INFO L93 Difference]: Finished difference Result 4303 states and 5656 transitions. [2018-12-01 19:07:37,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:37,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-01 19:07:37,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:37,978 INFO L225 Difference]: With dead ends: 4303 [2018-12-01 19:07:37,978 INFO L226 Difference]: Without dead ends: 4271 [2018-12-01 19:07:37,980 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 [2018-12-01 19:07:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2018-12-01 19:07:38,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 4269. [2018-12-01 19:07:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4269 states. [2018-12-01 19:07:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 5612 transitions. [2018-12-01 19:07:38,093 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 5612 transitions. Word has length 30 [2018-12-01 19:07:38,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:38,093 INFO L480 AbstractCegarLoop]: Abstraction has 4269 states and 5612 transitions. [2018-12-01 19:07:38,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 5612 transitions. [2018-12-01 19:07:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 19:07:38,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:38,097 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] [2018-12-01 19:07:38,097 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:38,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:38,097 INFO L82 PathProgramCache]: Analyzing trace with hash -121141826, now seen corresponding path program 1 times [2018-12-01 19:07:38,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:38,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:38,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:38,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:38,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:07:38,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:38,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:07:38,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:07:38,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:07:38,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:07:38,295 INFO L87 Difference]: Start difference. First operand 4269 states and 5612 transitions. Second operand 3 states. [2018-12-01 19:07:38,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:38,407 INFO L93 Difference]: Finished difference Result 8592 states and 11374 transitions. [2018-12-01 19:07:38,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:07:38,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-01 19:07:38,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:38,418 INFO L225 Difference]: With dead ends: 8592 [2018-12-01 19:07:38,418 INFO L226 Difference]: Without dead ends: 4410 [2018-12-01 19:07:38,427 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 [2018-12-01 19:07:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2018-12-01 19:07:38,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 4410. [2018-12-01 19:07:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4410 states. [2018-12-01 19:07:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4410 states to 4410 states and 5861 transitions. [2018-12-01 19:07:38,531 INFO L78 Accepts]: Start accepts. Automaton has 4410 states and 5861 transitions. Word has length 70 [2018-12-01 19:07:38,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:38,531 INFO L480 AbstractCegarLoop]: Abstraction has 4410 states and 5861 transitions. [2018-12-01 19:07:38,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:07:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4410 states and 5861 transitions. [2018-12-01 19:07:38,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 19:07:38,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:38,533 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] [2018-12-01 19:07:38,533 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:38,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:38,533 INFO L82 PathProgramCache]: Analyzing trace with hash -992472266, now seen corresponding path program 1 times [2018-12-01 19:07:38,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:38,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:38,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:38,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:38,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:07:38,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:38,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 19:07:38,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 19:07:38,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 19:07:38,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 19:07:38,725 INFO L87 Difference]: Start difference. First operand 4410 states and 5861 transitions. Second operand 4 states. [2018-12-01 19:07:51,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:51,044 INFO L93 Difference]: Finished difference Result 6585 states and 8692 transitions. [2018-12-01 19:07:51,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 19:07:51,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 81 [2018-12-01 19:07:51,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:51,052 INFO L225 Difference]: With dead ends: 6585 [2018-12-01 19:07:51,052 INFO L226 Difference]: Without dead ends: 3472 [2018-12-01 19:07:51,058 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 [2018-12-01 19:07:51,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2018-12-01 19:07:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3353. [2018-12-01 19:07:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3353 states. [2018-12-01 19:07:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 4432 transitions. [2018-12-01 19:07:51,140 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 4432 transitions. Word has length 81 [2018-12-01 19:07:51,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:51,140 INFO L480 AbstractCegarLoop]: Abstraction has 3353 states and 4432 transitions. [2018-12-01 19:07:51,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 19:07:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 4432 transitions. [2018-12-01 19:07:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 19:07:51,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:51,142 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] [2018-12-01 19:07:51,143 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:51,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:51,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1046606967, now seen corresponding path program 1 times [2018-12-01 19:07:51,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:51,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:51,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:51,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:51,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:07:51,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:51,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:07:51,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:07:51,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:07:51,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:07:51,336 INFO L87 Difference]: Start difference. First operand 3353 states and 4432 transitions. Second operand 6 states. [2018-12-01 19:07:51,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:51,465 INFO L93 Difference]: Finished difference Result 6624 states and 8768 transitions. [2018-12-01 19:07:51,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:07:51,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-12-01 19:07:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:51,475 INFO L225 Difference]: With dead ends: 6624 [2018-12-01 19:07:51,476 INFO L226 Difference]: Without dead ends: 3353 [2018-12-01 19:07:51,484 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 [2018-12-01 19:07:51,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2018-12-01 19:07:51,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 3353. [2018-12-01 19:07:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3353 states. [2018-12-01 19:07:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 4431 transitions. [2018-12-01 19:07:51,567 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 4431 transitions. Word has length 97 [2018-12-01 19:07:51,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:51,567 INFO L480 AbstractCegarLoop]: Abstraction has 3353 states and 4431 transitions. [2018-12-01 19:07:51,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:07:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 4431 transitions. [2018-12-01 19:07:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 19:07:51,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:51,570 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] [2018-12-01 19:07:51,570 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:51,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:51,570 INFO L82 PathProgramCache]: Analyzing trace with hash -684037383, now seen corresponding path program 1 times [2018-12-01 19:07:51,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:51,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:51,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:51,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:51,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:07:51,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:07:51,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:07:51,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:07:51,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:07:51,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:07:51,774 INFO L87 Difference]: Start difference. First operand 3353 states and 4431 transitions. Second operand 6 states. [2018-12-01 19:07:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:07:51,916 INFO L93 Difference]: Finished difference Result 6623 states and 8766 transitions. [2018-12-01 19:07:51,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:07:51,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-12-01 19:07:51,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:07:51,924 INFO L225 Difference]: With dead ends: 6623 [2018-12-01 19:07:51,924 INFO L226 Difference]: Without dead ends: 3338 [2018-12-01 19:07:51,930 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 [2018-12-01 19:07:51,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3338 states. [2018-12-01 19:07:52,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3338 to 3338. [2018-12-01 19:07:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3338 states. [2018-12-01 19:07:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 3338 states and 4414 transitions. [2018-12-01 19:07:52,013 INFO L78 Accepts]: Start accepts. Automaton has 3338 states and 4414 transitions. Word has length 120 [2018-12-01 19:07:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:07:52,013 INFO L480 AbstractCegarLoop]: Abstraction has 3338 states and 4414 transitions. [2018-12-01 19:07:52,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:07:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 4414 transitions. [2018-12-01 19:07:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 19:07:52,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:07:52,016 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] [2018-12-01 19:07:52,016 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:07:52,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:07:52,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1901753571, now seen corresponding path program 1 times [2018-12-01 19:07:52,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:07:52,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:07:52,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:52,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:52,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:07:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 19:07:52,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:07:52,630 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:07:52,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:07:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:58,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:07:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:07:59,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:07:59,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 20 [2018-12-01 19:07:59,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-01 19:07:59,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-01 19:07:59,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-12-01 19:07:59,010 INFO L87 Difference]: Start difference. First operand 3338 states and 4414 transitions. Second operand 20 states. [2018-12-01 19:08:03,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:08:03,743 INFO L93 Difference]: Finished difference Result 6614 states and 8755 transitions. [2018-12-01 19:08:03,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 19:08:03,744 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 153 [2018-12-01 19:08:03,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:08:03,753 INFO L225 Difference]: With dead ends: 6614 [2018-12-01 19:08:03,754 INFO L226 Difference]: Without dead ends: 3333 [2018-12-01 19:08:03,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2018-12-01 19:08:03,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2018-12-01 19:08:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3333. [2018-12-01 19:08:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3333 states. [2018-12-01 19:08:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 4407 transitions. [2018-12-01 19:08:03,856 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 4407 transitions. Word has length 153 [2018-12-01 19:08:03,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:08:03,856 INFO L480 AbstractCegarLoop]: Abstraction has 3333 states and 4407 transitions. [2018-12-01 19:08:03,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-01 19:08:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 4407 transitions. [2018-12-01 19:08:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 19:08:03,860 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:08:03,860 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] [2018-12-01 19:08:03,860 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:08:03,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:08:03,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1163039197, now seen corresponding path program 1 times [2018-12-01 19:08:03,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:08:03,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:08:03,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:03,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:08:03,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:08:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:08:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:08:05,019 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 19:08:05,550 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967463 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-12-01 19:08:05,551 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)# [2018-12-01 19:08:05,552 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)# [2018-12-01 19:08:05,552 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## [2018-12-01 19:08:05,552 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)# [2018-12-01 19:08:05,552 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968215 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-12-01 19:08:05,552 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)# [2018-12-01 19:08:05,553 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968268 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-12-01 19:08:05,553 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## [2018-12-01 19:08:05,553 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# [2018-12-01 19:08:05,553 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)# [2018-12-01 19:08:05,554 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968352 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# [2018-12-01 19:08:05,554 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)# [2018-12-01 19:08:05,554 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)# [2018-12-01 19:08:05,554 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# [2018-12-01 19:08:05,555 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)# [2018-12-01 19:08:05,555 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967579 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# [2018-12-01 19:08:05,555 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294968189 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# [2018-12-01 19:08:06,026 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 [2018-12-01 19:08:06,035 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 [2018-12-01 19:08:06,089 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 [2018-12-01 19:08:06,175 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 [2018-12-01 19:08:06,183 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 [2018-12-01 19:08:06,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 07:08:06 BoogieIcfgContainer [2018-12-01 19:08:06,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 19:08:06,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:08:06,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:08:06,390 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:08:06,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:07:18" (3/4) ... [2018-12-01 19:08:06,393 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 19:08:06,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:08:06,394 INFO L168 Benchmark]: Toolchain (without parser) took 68926.90 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 934.1 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-01 19:08:06,395 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:08:06,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2943.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 934.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 348.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:06,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.99 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:06,396 INFO L168 Benchmark]: Boogie Preprocessor took 182.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:06,396 INFO L168 Benchmark]: RCFGBuilder took 17705.91 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 801.1 MB). Free memory was 977.9 MB in the beginning and 1.3 GB in the end (delta: -340.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-01 19:08:06,397 INFO L168 Benchmark]: TraceAbstraction took 48025.08 ms. Allocated memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: 451.9 MB). Free memory was 1.3 GB in the beginning and 1.1 GB in the end (delta: 251.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 19:08:06,397 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 2.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:08:06,399 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2943.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 934.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 348.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.99 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 182.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17705.91 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 801.1 MB). Free memory was 977.9 MB in the beginning and 1.3 GB in the end (delta: -340.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 48025.08 ms. Allocated memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: 451.9 MB). Free memory was 1.3 GB in the beginning and 1.1 GB in the end (delta: 251.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 3.40 ms. Allocated memory is still 2.6 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 4294967463 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# - 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 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 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 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 4294968215 could not be translated for associated CType ARRAY#_2_~*configfs_attribute# - 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 4294968268 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 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 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 4294968352 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# - 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 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 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 4294967579 could not be translated for associated CType STRUCT~~list_head?next~*list_head?prev~*list_head# - 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, 47.9s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 35.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44500 SDtfs, 26479 SDslu, 93608 SDs, 0 SdLazy, 4848 SolverSat, 1652 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 30.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s 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: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 132 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1000 NumberOfCodeBlocks, 1000 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 827 ConstructedInterpolants, 1 QuantifiedInterpolants, 159827 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 0.1.23-635dfa2 [2018-12-01 19:08:07,776 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-12-01 19:08:07,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:08:07,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:08:07,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:08:07,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:08:07,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:08:07,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:08:07,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:08:07,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:08:07,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:08:07,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:08:07,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:08:07,789 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:08:07,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:08:07,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:08:07,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:08:07,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:08:07,792 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:08:07,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:08:07,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:08:07,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:08:07,794 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:08:07,794 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:08:07,795 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:08:07,795 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:08:07,796 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:08:07,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:08:07,796 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:08:07,796 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:08:07,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:08:07,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:08:07,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:08:07,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:08:07,798 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-12-01 19:08:07,805 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:08:07,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:08:07,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:08:07,806 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 19:08:07,806 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:08:07,806 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:08:07,806 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 19:08:07,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:08:07,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:08:07,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:08:07,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:08:07,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 19:08:07,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:08:07,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 19:08:07,808 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 19:08:07,808 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_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:08:07,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:08:07,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:08:07,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:08:07,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:08:07,842 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:08:07,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:08:07,885 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/40b920d45/e80fde084ffe47ec9236bffc5bc6f8db/FLAG2e7588ef0 [2018-12-01 19:08:08,521 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:08:08,521 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/sv-benchmarks/c/ldv-linux-3.7.3/main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-12-01 19:08:08,545 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/40b920d45/e80fde084ffe47ec9236bffc5bc6f8db/FLAG2e7588ef0 [2018-12-01 19:08:08,921 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/data/40b920d45/e80fde084ffe47ec9236bffc5bc6f8db [2018-12-01 19:08:08,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:08:08,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:08:08,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:08:08,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:08:08,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:08:08,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:08:08" (1/1) ... [2018-12-01 19:08:08,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec7cdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:08, skipping insertion in model container [2018-12-01 19:08:08,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:08:08" (1/1) ... [2018-12-01 19:08:08,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:08:09,033 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:08:11,372 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:08:11,389 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:08:11,668 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:08:12,048 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:08:12,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12 WrapperNode [2018-12-01 19:08:12,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:08:12,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:08:12,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:08:12,049 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:08:12,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:08:12,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:08:12,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:08:12,106 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:08:12,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... [2018-12-01 19:08:12,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:08:12,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:08:12,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:08:12,290 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:08:12,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:08:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2018-12-01 19:08:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2018-12-01 19:08:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2018-12-01 19:08:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2018-12-01 19:08:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2018-12-01 19:08:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2018-12-01 19:08:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2018-12-01 19:08:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2018-12-01 19:08:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2018-12-01 19:08:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2018-12-01 19:08:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2018-12-01 19:08:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2018-12-01 19:08:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2018-12-01 19:08:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2018-12-01 19:08:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2018-12-01 19:08:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2018-12-01 19:08:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_task_tag [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_task_tag [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_deregister_configfs [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_deregister_configfs [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_59 [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_59 [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_57 [2018-12-01 19:08:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_57 [2018-12-01 19:08:12,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_58 [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_58 [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_wwn_show_attr_version [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_wwn_show_attr_version [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ctl_handle_kick [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ctl_handle_kick [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_true [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_true [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_indirect [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure get_indirect [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2018-12-01 19:08:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2018-12-01 19:08:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure find_region [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure find_region [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure transport_deregister_session [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_deregister_session [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_47 [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_47 [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_43 [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_43 [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2018-12-01 19:08:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2018-12-01 19:08:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_init [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_init [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure init_poll_funcptr [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure init_poll_funcptr [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_63 [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_63 [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_60 [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_60 [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_61 [2018-12-01 19:08:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_61 [2018-12-01 19:08:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_del_initiator_node_acl [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_del_initiator_node_acl [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_evt_handle_kick [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_evt_handle_kick [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_68 [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_68 [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_kick [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_kick [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_66 [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_66 [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_64 [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_64 [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2018-12-01 19:08:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-12-01 19:08:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_avail_event [2018-12-01 19:08:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_avail_event [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2018-12-01 19:08:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2018-12-01 19:08:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tpg [2018-12-01 19:08:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tpg [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2018-12-01 19:08:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-12-01 19:08:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-12-01 19:08:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_register [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_register [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2018-12-01 19:08:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_done_signal [2018-12-01 19:08:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_done_signal [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_endpoint [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_endpoint [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_data_in [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_data_in [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 19:08:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 19:08:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure vring_need_event [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_need_event [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_parse_pr_out_transport_id [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_parse_pr_out_transport_id [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_to_sgl [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_to_sgl [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_unlink [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_unlink [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit_to_user [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit_to_user [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2018-12-01 19:08:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2018-12-01 19:08:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-12-01 19:08:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-12-01 19:08:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_free_iovecs [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_free_iovecs [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovec [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovec [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id [2018-12-01 19:08:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-12-01 19:08:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_tport [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_tport [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_memory [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_memory [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_alloc_iovecs [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_alloc_iovecs [2018-12-01 19:08:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-12-01 19:08:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_proto_ident [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_proto_ident [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_cmd_state [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_cmd_state [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_make_nodeacl [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_make_nodeacl [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2018-12-01 19:08:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2018-12-01 19:08:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_name [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_name [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_map_iov_to_sgl [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_map_iov_to_sgl [2018-12-01 19:08:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-12-01 19:08:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id_len [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id_len [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2018-12-01 19:08:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2018-12-01 19:08:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_shutdown_session [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_shutdown_session [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 19:08:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2018-12-01 19:08:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_ioctl [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_ioctl [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-12-01 19:08:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-12-01 19:08:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_mm [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_mm [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_deregister [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_deregister [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_parse_pr_out_transport_id [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_parse_pr_out_transport_id [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_fabric_proto_ident [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_fabric_proto_ident [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_wakeup [2018-12-01 19:08:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_wakeup [2018-12-01 19:08:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_write_pending_status [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_write_pending_status [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure target_submit_cmd_map_sgls [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure target_submit_cmd_map_sgls [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-01 19:08:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-01 19:08:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_46 [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_46 [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_48 [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_48 [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_44 [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_44 [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_get_cmd_from_completion [2018-12-01 19:08:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_get_cmd_from_completion [2018-12-01 19:08:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_add_initiator_node_acl [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_add_initiator_node_acl [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_log_access_ok [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_log_access_ok [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2018-12-01 19:08:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2018-12-01 19:08:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_set_vring [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_set_vring [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_pr_transport_id_len [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_pr_transport_id_len [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_get_inst_index [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_get_inst_index [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2018-12-01 19:08:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2018-12-01 19:08:12,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_pr_transport_id [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_pr_transport_id [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_fabric_wwn [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_fabric_wwn [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2018-12-01 19:08:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-12-01 19:08:12,356 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd_work [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd_work [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_exit [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_exit [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_free_cmd [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_free_cmd [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_status [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_status [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2018-12-01 19:08:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_varlen_cdb_length [2018-12-01 19:08:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_varlen_cdb_length [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure fc_parse_pr_out_transport_id [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_parse_pr_out_transport_id [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_init [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_init [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_set_features [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_set_features [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_queue_tm_rsp [2018-12-01 19:08:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_queue_tm_rsp [2018-12-01 19:08:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_dirty_lock [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_dirty_lock [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_pr_transport_id_len [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_pr_transport_id_len [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_67 [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_67 [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_notify [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_notify [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_compat_ioctl [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_compat_ioctl [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_register_configfs [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_register_configfs [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_65 [2018-12-01 19:08:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_65 [2018-12-01 19:08:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_default_depth [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_default_depth [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_62 [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_62 [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_set_owner [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_set_owner [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_get_tag [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_get_tag [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2018-12-01 19:08:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2018-12-01 19:08:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_allocate_cmd [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_allocate_cmd [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_func_entry [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_func_entry [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure cgroup_attach_task_all [2018-12-01 19:08:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cgroup_attach_task_all [2018-12-01 19:08:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_sess_get_index [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_sess_get_index [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_check_false [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_check_false [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_attach_cgroups_work [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_attach_cgroups_work [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2018-12-01 19:08:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure target_execute_cmd [2018-12-01 19:08:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure target_execute_cmd [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_tpg_show_nexus [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_tpg_show_nexus [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_get_fabric_proto_ident [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_get_fabric_proto_ident [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_handle_vq [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_handle_vq [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_submission_work [2018-12-01 19:08:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_submission_work [2018-12-01 19:08:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2018-12-01 19:08:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2018-12-01 19:09:20,473 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:09:20,473 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-01 19:09:20,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:09:20 BoogieIcfgContainer [2018-12-01 19:09:20,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:09:20,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 19:09:20,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 19:09:20,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 19:09:20,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 07:08:08" (1/3) ... [2018-12-01 19:09:20,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:09:20, skipping insertion in model container [2018-12-01 19:09:20,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:08:12" (2/3) ... [2018-12-01 19:09:20,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:09:20, skipping insertion in model container [2018-12-01 19:09:20,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:09:20" (3/3) ... [2018-12-01 19:09:20,477 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_false-unreach-call_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2018-12-01 19:09:20,483 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 19:09:20,490 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 19:09:20,499 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 19:09:20,523 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 19:09:20,523 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 19:09:20,523 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 19:09:20,523 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 19:09:20,523 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 19:09:20,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 19:09:20,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 19:09:20,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 19:09:20,523 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 19:09:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states. [2018-12-01 19:09:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:09:20,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:09:20,566 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] [2018-12-01 19:09:20,568 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:09:20,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:09:20,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1370762595, now seen corresponding path program 1 times [2018-12-01 19:09:20,575 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:09:20,576 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:09:20,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:09:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:22,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:09:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:22,432 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:09:22,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:09:22,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:09:22,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:09:22,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:09:22,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:09:22,456 INFO L87 Difference]: Start difference. First operand 3121 states. Second operand 3 states. [2018-12-01 19:09:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:09:34,178 INFO L93 Difference]: Finished difference Result 6161 states and 8480 transitions. [2018-12-01 19:09:34,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:09:34,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-01 19:09:34,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:09:34,198 INFO L225 Difference]: With dead ends: 6161 [2018-12-01 19:09:34,198 INFO L226 Difference]: Without dead ends: 3097 [2018-12-01 19:09:34,208 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 [2018-12-01 19:09:34,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2018-12-01 19:09:34,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 3097. [2018-12-01 19:09:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3097 states. [2018-12-01 19:09:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 4177 transitions. [2018-12-01 19:09:34,326 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 4177 transitions. Word has length 25 [2018-12-01 19:09:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:09:34,328 INFO L480 AbstractCegarLoop]: Abstraction has 3097 states and 4177 transitions. [2018-12-01 19:09:34,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:09:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 4177 transitions. [2018-12-01 19:09:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 19:09:34,329 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:09:34,329 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] [2018-12-01 19:09:34,329 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:09:34,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:09:34,329 INFO L82 PathProgramCache]: Analyzing trace with hash 454185033, now seen corresponding path program 1 times [2018-12-01 19:09:34,330 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:09:34,330 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:09:34,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:09:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:36,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:09:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:36,253 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:09:36,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:09:36,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:09:36,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:09:36,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:09:36,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:09:36,261 INFO L87 Difference]: Start difference. First operand 3097 states and 4177 transitions. Second operand 3 states. [2018-12-01 19:09:47,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:09:47,333 INFO L93 Difference]: Finished difference Result 3099 states and 4178 transitions. [2018-12-01 19:09:47,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:09:47,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-01 19:09:47,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:09:47,342 INFO L225 Difference]: With dead ends: 3099 [2018-12-01 19:09:47,343 INFO L226 Difference]: Without dead ends: 3096 [2018-12-01 19:09:47,344 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 [2018-12-01 19:09:47,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2018-12-01 19:09:47,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 3096. [2018-12-01 19:09:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3096 states. [2018-12-01 19:09:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 4175 transitions. [2018-12-01 19:09:47,432 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 4175 transitions. Word has length 26 [2018-12-01 19:09:47,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:09:47,432 INFO L480 AbstractCegarLoop]: Abstraction has 3096 states and 4175 transitions. [2018-12-01 19:09:47,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:09:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 4175 transitions. [2018-12-01 19:09:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:09:47,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:09:47,433 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] [2018-12-01 19:09:47,433 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:09:47,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:09:47,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1192991520, now seen corresponding path program 1 times [2018-12-01 19:09:47,434 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:09:47,434 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:09:47,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:09:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:49,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:09:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:49,194 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:09:49,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:09:49,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:09:49,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:09:49,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:09:49,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:09:49,201 INFO L87 Difference]: Start difference. First operand 3096 states and 4175 transitions. Second operand 3 states. [2018-12-01 19:10:00,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:10:00,400 INFO L93 Difference]: Finished difference Result 3098 states and 4176 transitions. [2018-12-01 19:10:00,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:10:00,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-12-01 19:10:00,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:10:00,409 INFO L225 Difference]: With dead ends: 3098 [2018-12-01 19:10:00,409 INFO L226 Difference]: Without dead ends: 3095 [2018-12-01 19:10:00,411 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 [2018-12-01 19:10:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2018-12-01 19:10:00,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 3095. [2018-12-01 19:10:00,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3095 states. [2018-12-01 19:10:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4173 transitions. [2018-12-01 19:10:00,500 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4173 transitions. Word has length 27 [2018-12-01 19:10:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:10:00,500 INFO L480 AbstractCegarLoop]: Abstraction has 3095 states and 4173 transitions. [2018-12-01 19:10:00,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:10:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4173 transitions. [2018-12-01 19:10:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 19:10:00,501 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:10:00,501 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] [2018-12-01 19:10:00,502 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:10:00,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:10:00,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1673806292, now seen corresponding path program 1 times [2018-12-01 19:10:00,503 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:10:00,503 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:10:00,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:10:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:02,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:10:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:10:02,175 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:10:02,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:10:02,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:10:02,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:10:02,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:10:02,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:10:02,180 INFO L87 Difference]: Start difference. First operand 3095 states and 4173 transitions. Second operand 3 states. [2018-12-01 19:10:13,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:10:13,634 INFO L93 Difference]: Finished difference Result 6567 states and 8759 transitions. [2018-12-01 19:10:13,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:10:13,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-01 19:10:13,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:10:13,648 INFO L225 Difference]: With dead ends: 6567 [2018-12-01 19:10:13,648 INFO L226 Difference]: Without dead ends: 3540 [2018-12-01 19:10:13,657 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 [2018-12-01 19:10:13,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2018-12-01 19:10:13,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3535. [2018-12-01 19:10:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3535 states. [2018-12-01 19:10:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3535 states and 4655 transitions. [2018-12-01 19:10:13,767 INFO L78 Accepts]: Start accepts. Automaton has 3535 states and 4655 transitions. Word has length 28 [2018-12-01 19:10:13,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:10:13,767 INFO L480 AbstractCegarLoop]: Abstraction has 3535 states and 4655 transitions. [2018-12-01 19:10:13,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:10:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 4655 transitions. [2018-12-01 19:10:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 19:10:13,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:10:13,768 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] [2018-12-01 19:10:13,768 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:10:13,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:10:13,768 INFO L82 PathProgramCache]: Analyzing trace with hash -350220381, now seen corresponding path program 1 times [2018-12-01 19:10:13,769 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:10:13,769 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:10:13,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:10:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:15,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:10:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:10:15,427 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:10:15,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:10:15,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:10:15,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:10:15,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:10:15,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:10:15,433 INFO L87 Difference]: Start difference. First operand 3535 states and 4655 transitions. Second operand 3 states. [2018-12-01 19:10:26,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:10:26,742 INFO L93 Difference]: Finished difference Result 3568 states and 4682 transitions. [2018-12-01 19:10:26,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:10:26,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-12-01 19:10:26,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:10:26,752 INFO L225 Difference]: With dead ends: 3568 [2018-12-01 19:10:26,752 INFO L226 Difference]: Without dead ends: 3564 [2018-12-01 19:10:26,754 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 [2018-12-01 19:10:26,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2018-12-01 19:10:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3560. [2018-12-01 19:10:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3560 states. [2018-12-01 19:10:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4674 transitions. [2018-12-01 19:10:26,906 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4674 transitions. Word has length 29 [2018-12-01 19:10:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:10:26,906 INFO L480 AbstractCegarLoop]: Abstraction has 3560 states and 4674 transitions. [2018-12-01 19:10:26,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:10:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4674 transitions. [2018-12-01 19:10:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 19:10:26,908 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:10:26,908 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] [2018-12-01 19:10:26,908 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:10:26,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:10:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash 2026242063, now seen corresponding path program 1 times [2018-12-01 19:10:26,910 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:10:26,910 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:10:26,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:10:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:28,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:10:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:10:28,636 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:10:28,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:10:28,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:10:28,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:10:28,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:10:28,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:10:28,642 INFO L87 Difference]: Start difference. First operand 3560 states and 4674 transitions. Second operand 3 states. [2018-12-01 19:10:39,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:10:39,908 INFO L93 Difference]: Finished difference Result 3582 states and 4694 transitions. [2018-12-01 19:10:39,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:10:39,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-01 19:10:39,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:10:39,917 INFO L225 Difference]: With dead ends: 3582 [2018-12-01 19:10:39,917 INFO L226 Difference]: Without dead ends: 3550 [2018-12-01 19:10:39,919 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 [2018-12-01 19:10:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2018-12-01 19:10:40,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3548. [2018-12-01 19:10:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3548 states. [2018-12-01 19:10:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 4650 transitions. [2018-12-01 19:10:40,036 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 4650 transitions. Word has length 30 [2018-12-01 19:10:40,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:10:40,036 INFO L480 AbstractCegarLoop]: Abstraction has 3548 states and 4650 transitions. [2018-12-01 19:10:40,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:10:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 4650 transitions. [2018-12-01 19:10:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 19:10:40,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:10:40,039 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] [2018-12-01 19:10:40,040 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:10:40,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:10:40,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1204933114, now seen corresponding path program 1 times [2018-12-01 19:10:40,041 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:10:40,041 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:10:40,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:10:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:41,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:10:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:10:41,815 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:10:41,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:10:41,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:10:41,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:10:41,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:10:41,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:10:41,823 INFO L87 Difference]: Start difference. First operand 3548 states and 4650 transitions. Second operand 3 states. [2018-12-01 19:10:41,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:10:41,980 INFO L93 Difference]: Finished difference Result 7150 states and 9450 transitions. [2018-12-01 19:10:41,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:10:41,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-01 19:10:41,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:10:41,989 INFO L225 Difference]: With dead ends: 7150 [2018-12-01 19:10:41,989 INFO L226 Difference]: Without dead ends: 3689 [2018-12-01 19:10:41,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:10:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-12-01 19:10:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3689. [2018-12-01 19:10:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3689 states. [2018-12-01 19:10:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4899 transitions. [2018-12-01 19:10:42,118 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4899 transitions. Word has length 70 [2018-12-01 19:10:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:10:42,119 INFO L480 AbstractCegarLoop]: Abstraction has 3689 states and 4899 transitions. [2018-12-01 19:10:42,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:10:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4899 transitions. [2018-12-01 19:10:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 19:10:42,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:10:42,122 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] [2018-12-01 19:10:42,122 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:10:42,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:10:42,122 INFO L82 PathProgramCache]: Analyzing trace with hash -447058702, now seen corresponding path program 1 times [2018-12-01 19:10:42,123 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:10:42,123 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:10:42,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:10:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:43,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:10:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:10:43,901 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:10:43,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:10:43,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:10:43,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:10:43,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:10:43,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:10:43,908 INFO L87 Difference]: Start difference. First operand 3689 states and 4899 transitions. Second operand 6 states. [2018-12-01 19:10:44,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:10:44,094 INFO L93 Difference]: Finished difference Result 7296 states and 9702 transitions. [2018-12-01 19:10:44,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:10:44,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2018-12-01 19:10:44,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:10:44,104 INFO L225 Difference]: With dead ends: 7296 [2018-12-01 19:10:44,104 INFO L226 Difference]: Without dead ends: 3689 [2018-12-01 19:10:44,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 19:10:44,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2018-12-01 19:10:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3689. [2018-12-01 19:10:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3689 states. [2018-12-01 19:10:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4898 transitions. [2018-12-01 19:10:44,286 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4898 transitions. Word has length 73 [2018-12-01 19:10:44,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:10:44,286 INFO L480 AbstractCegarLoop]: Abstraction has 3689 states and 4898 transitions. [2018-12-01 19:10:44,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:10:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4898 transitions. [2018-12-01 19:10:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 19:10:44,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:10:44,288 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] [2018-12-01 19:10:44,288 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:10:44,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:10:44,288 INFO L82 PathProgramCache]: Analyzing trace with hash 447535944, now seen corresponding path program 1 times [2018-12-01 19:10:44,289 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:10:44,289 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:10:44,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:10:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:46,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:10:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:10:46,078 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:10:46,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:10:46,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 19:10:46,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 19:10:46,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 19:10:46,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 19:10:46,084 INFO L87 Difference]: Start difference. First operand 3689 states and 4898 transitions. Second operand 4 states. [2018-12-01 19:11:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:11:24,987 INFO L93 Difference]: Finished difference Result 4119 states and 5421 transitions. [2018-12-01 19:11:24,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 19:11:24,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-01 19:11:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:11:24,994 INFO L225 Difference]: With dead ends: 4119 [2018-12-01 19:11:24,994 INFO L226 Difference]: Without dead ends: 3472 [2018-12-01 19:11:24,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-01 19:11:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2018-12-01 19:11:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3353. [2018-12-01 19:11:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3353 states. [2018-12-01 19:11:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 4431 transitions. [2018-12-01 19:11:25,120 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 4431 transitions. Word has length 88 [2018-12-01 19:11:25,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:11:25,120 INFO L480 AbstractCegarLoop]: Abstraction has 3353 states and 4431 transitions. [2018-12-01 19:11:25,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 19:11:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 4431 transitions. [2018-12-01 19:11:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 19:11:25,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:11:25,123 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] [2018-12-01 19:11:25,123 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:11:25,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:11:25,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1818334482, now seen corresponding path program 1 times [2018-12-01 19:11:25,124 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:11:25,124 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:11:25,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:11:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:11:26,897 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:11:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:11:26,924 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:11:26,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:11:26,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:11:26,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:11:26,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:11:26,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:11:26,930 INFO L87 Difference]: Start difference. First operand 3353 states and 4431 transitions. Second operand 3 states. [2018-12-01 19:11:38,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:11:38,111 INFO L93 Difference]: Finished difference Result 3355 states and 4432 transitions. [2018-12-01 19:11:38,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:11:38,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-12-01 19:11:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:11:38,118 INFO L225 Difference]: With dead ends: 3355 [2018-12-01 19:11:38,118 INFO L226 Difference]: Without dead ends: 3352 [2018-12-01 19:11:38,119 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 [2018-12-01 19:11:38,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2018-12-01 19:11:38,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2018-12-01 19:11:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3352 states. [2018-12-01 19:11:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4428 transitions. [2018-12-01 19:11:38,240 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4428 transitions. Word has length 100 [2018-12-01 19:11:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:11:38,240 INFO L480 AbstractCegarLoop]: Abstraction has 3352 states and 4428 transitions. [2018-12-01 19:11:38,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:11:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4428 transitions. [2018-12-01 19:11:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 19:11:38,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:11:38,243 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] [2018-12-01 19:11:38,243 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:11:38,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:11:38,243 INFO L82 PathProgramCache]: Analyzing trace with hash 533987245, now seen corresponding path program 1 times [2018-12-01 19:11:38,244 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:11:38,244 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/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 [2018-12-01 19:11:38,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:11:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:11:42,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:11:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:11:42,871 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:11:42,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:11:42,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:11:42,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:11:42,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:11:42,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:11:42,890 INFO L87 Difference]: Start difference. First operand 3352 states and 4428 transitions. Second operand 6 states. [2018-12-01 19:11:43,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:11:43,063 INFO L93 Difference]: Finished difference Result 6621 states and 8760 transitions. [2018-12-01 19:11:43,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:11:43,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-12-01 19:11:43,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:11:43,070 INFO L225 Difference]: With dead ends: 6621 [2018-12-01 19:11:43,071 INFO L226 Difference]: Without dead ends: 3337 [2018-12-01 19:11:43,076 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 [2018-12-01 19:11:43,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2018-12-01 19:11:43,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3337. [2018-12-01 19:11:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3337 states. [2018-12-01 19:11:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 3337 states and 4411 transitions. [2018-12-01 19:11:43,183 INFO L78 Accepts]: Start accepts. Automaton has 3337 states and 4411 transitions. Word has length 120 [2018-12-01 19:11:43,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:11:43,183 INFO L480 AbstractCegarLoop]: Abstraction has 3337 states and 4411 transitions. [2018-12-01 19:11:43,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:11:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 4411 transitions. [2018-12-01 19:11:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 19:11:43,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:11:43,186 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] [2018-12-01 19:11:43,186 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:11:43,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:11:43,186 INFO L82 PathProgramCache]: Analyzing trace with hash 141680887, now seen corresponding path program 1 times [2018-12-01 19:11:43,187 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 19:11:43,187 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b802dd80-9082-47ab-b3bb-b465cc1c288c/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-01 19:11:43,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:12:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:12:17,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:12:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:12:18,814 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 19:12:18,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:12:18,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-01 19:12:18,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 19:12:18,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 19:12:18,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:12:18,854 INFO L87 Difference]: Start difference. First operand 3337 states and 4411 transitions. Second operand 14 states. [2018-12-01 19:12:21,359 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-01 19:12:21,360 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 [2018-12-01 19:12:21,363 INFO L168 Benchmark]: Toolchain (without parser) took 252435.79 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 920.6 MB in the beginning and 769.3 MB in the end (delta: 151.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-01 19:12:21,364 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-01 19:12:21,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3118.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 302.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:12:21,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.35 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:12:21,366 INFO L168 Benchmark]: Boogie Preprocessor took 184.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 962.7 MB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:12:21,366 INFO L168 Benchmark]: RCFGBuilder took 68182.89 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 1.0 GB). Free memory was 962.7 MB in the beginning and 1.7 GB in the end (delta: -708.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 19:12:21,367 INFO L168 Benchmark]: TraceAbstraction took 180888.70 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 160.4 MB). Free memory was 1.7 GB in the beginning and 769.3 MB in the end (delta: 901.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 19:12:21,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 3118.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 302.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.35 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 184.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 962.7 MB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 68182.89 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 1.0 GB). Free memory was 962.7 MB in the beginning and 1.7 GB in the end (delta: -708.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * TraceAbstraction took 180888.70 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 160.4 MB). Free memory was 1.7 GB in the beginning and 769.3 MB in the end (delta: 901.5 MB). Peak memory consumption was 1.1 GB. 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...