./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68130a68a6d5f7f15c60d499b9073780fe03ec98 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68130a68a6d5f7f15c60d499b9073780fe03ec98 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 20:53:10,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:53:10,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:53:10,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:53:10,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:53:10,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:53:10,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:53:10,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:53:10,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:53:10,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:53:10,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:53:10,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:53:10,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:53:10,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:53:10,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:53:10,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:53:10,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:53:10,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:53:10,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:53:10,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:53:10,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:53:10,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:53:10,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:53:10,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:53:10,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:53:10,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:53:10,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:53:10,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:53:10,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:53:10,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:53:10,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:53:10,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:53:10,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:53:10,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:53:10,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:53:10,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:53:10,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:53:10,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:53:10,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:53:10,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:53:10,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:53:10,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-12-01 20:53:10,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:53:10,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:53:10,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:53:10,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:53:10,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:53:10,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:53:10,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:53:10,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 20:53:10,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:53:10,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:53:10,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:53:10,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:53:10,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:53:10,911 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:53:10,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:53:10,911 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:53:10,911 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:53:10,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:53:10,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 20:53:10,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:53:10,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 20:53:10,913 INFO L138 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/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak 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 -> Kojak 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 -> 68130a68a6d5f7f15c60d499b9073780fe03ec98 [2019-12-01 20:53:11,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:53:11,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:53:11,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:53:11,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:53:11,023 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:53:11,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2019-12-01 20:53:11,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/fc4ddc320/d0097f29367148d19dbddf19cf6f61df/FLAGad38bea1e [2019-12-01 20:53:11,590 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:53:11,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2019-12-01 20:53:11,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/fc4ddc320/d0097f29367148d19dbddf19cf6f61df/FLAGad38bea1e [2019-12-01 20:53:12,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/fc4ddc320/d0097f29367148d19dbddf19cf6f61df [2019-12-01 20:53:12,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:53:12,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:53:12,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:53:12,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:53:12,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:53:12,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:53:12" (1/1) ... [2019-12-01 20:53:12,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c20d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:12, skipping insertion in model container [2019-12-01 20:53:12,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:53:12" (1/1) ... [2019-12-01 20:53:12,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:53:12,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:53:13,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:53:13,860 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:53:14,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:53:14,479 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:53:14,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14 WrapperNode [2019-12-01 20:53:14,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:53:14,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:53:14,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:53:14,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:53:14,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:53:14,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:53:14,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:53:14,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:53:14,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... [2019-12-01 20:53:14,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:53:14,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:53:14,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:53:14,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:53:14,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-01 20:53:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2019-12-01 20:53:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2019-12-01 20:53:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2019-12-01 20:53:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2019-12-01 20:53:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2019-12-01 20:53:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2019-12-01 20:53:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2019-12-01 20:53:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2019-12-01 20:53:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-12-01 20:53:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-12-01 20:53:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2019-12-01 20:53:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2019-12-01 20:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-01 20:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2019-12-01 20:53:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2019-12-01 20:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-01 20:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-12-01 20:53:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-12-01 20:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2019-12-01 20:53:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2019-12-01 20:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2019-12-01 20:53:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2019-12-01 20:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2019-12-01 20:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2019-12-01 20:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-12-01 20:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-12-01 20:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-12-01 20:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-12-01 20:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-12-01 20:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-12-01 20:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2019-12-01 20:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2019-12-01 20:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-01 20:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2019-12-01 20:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-12-01 20:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-12-01 20:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-12-01 20:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2019-12-01 20:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2019-12-01 20:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2019-12-01 20:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-12-01 20:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-12-01 20:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-12-01 20:53:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-12-01 20:53:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-12-01 20:53:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2019-12-01 20:53:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2019-12-01 20:53:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 20:53:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-12-01 20:53:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-12-01 20:53:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2019-12-01 20:53:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2019-12-01 20:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2019-12-01 20:53:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2019-12-01 20:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 20:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-12-01 20:53:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-12-01 20:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2019-12-01 20:53:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2019-12-01 20:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2019-12-01 20:53:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2019-12-01 20:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 20:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 20:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2019-12-01 20:53:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2019-12-01 20:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2019-12-01 20:53:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2019-12-01 20:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-12-01 20:53:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-12-01 20:53:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2019-12-01 20:53:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2019-12-01 20:53:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2019-12-01 20:53:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2019-12-01 20:53:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-12-01 20:53:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-12-01 20:53:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-12-01 20:53:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-12-01 20:53:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-12-01 20:53:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-12-01 20:53:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-12-01 20:53:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-12-01 20:53:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-12-01 20:53:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-12-01 20:53:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2019-12-01 20:53:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2019-12-01 20:53:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2019-12-01 20:53:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2019-12-01 20:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2019-12-01 20:53:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2019-12-01 20:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-12-01 20:53:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-12-01 20:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-12-01 20:53:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-12-01 20:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-01 20:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-12-01 20:53:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-12-01 20:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2019-12-01 20:53:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2019-12-01 20:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-12-01 20:53:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-12-01 20:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-01 20:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-12-01 20:53:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-12-01 20:53:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 20:53:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2019-12-01 20:53:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2019-12-01 20:53:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-12-01 20:53:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-12-01 20:53:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2019-12-01 20:53:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2019-12-01 20:53:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-12-01 20:53:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-12-01 20:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-01 20:53:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-12-01 20:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2019-12-01 20:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2019-12-01 20:53:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2019-12-01 20:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 20:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-12-01 20:53:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-12-01 20:53:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2019-12-01 20:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2019-12-01 20:53:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-12-01 20:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-12-01 20:53:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2019-12-01 20:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2019-12-01 20:53:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-12-01 20:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-12-01 20:53:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2019-12-01 20:53:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2019-12-01 20:53:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2019-12-01 20:53:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2019-12-01 20:53:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2019-12-01 20:53:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2019-12-01 20:53:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-12-01 20:53:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-12-01 20:53:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-12-01 20:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-12-01 20:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-12-01 20:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-12-01 20:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2019-12-01 20:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2019-12-01 20:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2019-12-01 20:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2019-12-01 20:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 20:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2019-12-01 20:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2019-12-01 20:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-12-01 20:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-12-01 20:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2019-12-01 20:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2019-12-01 20:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-12-01 20:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-12-01 20:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2019-12-01 20:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2019-12-01 20:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2019-12-01 20:53:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2019-12-01 20:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 20:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-12-01 20:53:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-12-01 20:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-12-01 20:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-12-01 20:53:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-12-01 20:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-01 20:53:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-01 20:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2019-12-01 20:53:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2019-12-01 20:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-12-01 20:53:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-12-01 20:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-12-01 20:53:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-12-01 20:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2019-12-01 20:53:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2019-12-01 20:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-12-01 20:53:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-12-01 20:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2019-12-01 20:53:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2019-12-01 20:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-12-01 20:53:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-12-01 20:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2019-12-01 20:53:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2019-12-01 20:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-12-01 20:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-12-01 20:53:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-12-01 20:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-12-01 20:53:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2019-12-01 20:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2019-12-01 20:53:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2019-12-01 20:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2019-12-01 20:53:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-12-01 20:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-12-01 20:53:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2019-12-01 20:53:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2019-12-01 20:53:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2019-12-01 20:53:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2019-12-01 20:53:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-12-01 20:53:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-12-01 20:53:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2019-12-01 20:53:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2019-12-01 20:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-12-01 20:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-12-01 20:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-12-01 20:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-12-01 20:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2019-12-01 20:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2019-12-01 20:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 20:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2019-12-01 20:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2019-12-01 20:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2019-12-01 20:53:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2019-12-01 20:53:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-12-01 20:53:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-12-01 20:53:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:53:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:53:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-12-01 20:53:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-12-01 20:53:27,215 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5824: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,215 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5824: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 10 == __copy_to_user_~size; [2019-12-01 20:53:27,215 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5853: SUMMARY for call __copy_to_user_#t~ret147 := copy_user_generic(__copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size); srcloc: null [2019-12-01 20:53:27,215 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5820: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,215 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5820: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 8 == __copy_to_user_~size; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5853-1: __copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5816: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5816: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 4 == __copy_to_user_~size; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5843: SUMMARY for call __copy_to_user_#t~ret146 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2 then 1 else 0), 0); srcloc: null [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5843-1: assume -9223372036854775808 <= __copy_to_user_#t~ret146 && __copy_to_user_#t~ret146 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret146;havoc __copy_to_user_#t~ret146; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5831: SUMMARY for call __copy_to_user_#t~ret145 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2 then 1 else 0), 0); srcloc: null [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5831-1: assume -9223372036854775808 <= __copy_to_user_#t~ret145 && __copy_to_user_#t~ret145 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret145;havoc __copy_to_user_#t~ret145; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 2 == __copy_to_user_~size; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5852: assume __copy_to_user_#t~switch144; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5852: assume !__copy_to_user_#t~switch144; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5811: havoc __copy_to_user_#t~switch144; [2019-12-01 20:53:27,216 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5840: assume __copy_to_user_#t~switch144; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5840: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := true; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5828: assume __copy_to_user_#t~switch144; [2019-12-01 20:53:27,217 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5828: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 16 == __copy_to_user_~size; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5784-1: assume -9223372036854775808 <= __copy_from_user_#t~ret141 && __copy_from_user_#t~ret141 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret141;havoc __copy_from_user_#t~ret141; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5784: SUMMARY for call __copy_from_user_#t~ret141 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1 then 1 else 0), 0); srcloc: null [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5752: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5752: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 4 == __copy_from_user_~size; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5757: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5757: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 8 == __copy_from_user_~size; [2019-12-01 20:53:28,825 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume __copy_from_user_#t~switch139; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume !__copy_from_user_#t~switch139; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: SUMMARY for call __copy_from_user_#t~ret142 := copy_user_generic(__copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size); srcloc: null [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: __copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5762: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5762: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 10 == __copy_from_user_~size; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5767: assume __copy_from_user_#t~switch139; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5767: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 16 == __copy_from_user_~size; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: SUMMARY for call __copy_from_user_#t~ret140 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1 then 1 else 0), 0); srcloc: null [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume -9223372036854775808 <= __copy_from_user_#t~ret140 && __copy_from_user_#t~ret140 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret140;havoc __copy_from_user_#t~ret140; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 2 == __copy_from_user_~size; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5772: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,826 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5772: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:53:28,827 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5746: havoc __copy_from_user_#t~switch139; [2019-12-01 20:53:28,827 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5780: assume __copy_from_user_#t~switch139; [2019-12-01 20:53:28,827 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5780: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := true; [2019-12-01 20:53:43,287 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-12-01 20:53:43,291 INFO L168 Benchmark]: Toolchain (without parser) took 31190.24 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 762.8 MB). Free memory was 928.7 MB in the beginning and 1.5 GB in the end (delta: -529.6 MB). Peak memory consumption was 717.5 MB. Max. memory is 11.5 GB. [2019-12-01 20:53:43,292 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:53:43,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2378.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 928.7 MB in the beginning and 974.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 233.2 MB. Max. memory is 11.5 GB. [2019-12-01 20:53:43,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.61 ms. Allocated memory is still 1.1 GB. Free memory was 974.6 MB in the beginning and 938.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2019-12-01 20:53:43,294 INFO L168 Benchmark]: Boogie Preprocessor took 200.45 ms. Allocated memory is still 1.1 GB. Free memory was 938.4 MB in the beginning and 894.4 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. [2019-12-01 20:53:43,295 INFO L168 Benchmark]: RCFGBuilder took 28427.89 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 652.2 MB). Free memory was 894.4 MB in the beginning and 1.5 GB in the end (delta: -563.8 MB). Peak memory consumption was 572.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:53:43,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2378.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 928.7 MB in the beginning and 974.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 233.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 180.61 ms. Allocated memory is still 1.1 GB. Free memory was 974.6 MB in the beginning and 938.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 200.45 ms. Allocated memory is still 1.1 GB. Free memory was 938.4 MB in the beginning and 894.4 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28427.89 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 652.2 MB). Free memory was 894.4 MB in the beginning and 1.5 GB in the end (delta: -563.8 MB). Peak memory consumption was 572.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:358) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-01 20:53:44,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:53:44,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:53:44,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:53:44,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:53:44,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:53:44,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:53:44,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:53:44,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:53:44,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:53:44,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:53:44,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:53:44,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:53:44,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:53:44,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:53:44,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:53:44,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:53:44,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:53:44,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:53:44,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:53:44,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:53:44,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:53:44,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:53:44,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:53:44,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:53:44,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:53:44,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:53:44,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:53:44,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:53:44,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:53:44,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:53:44,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:53:44,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:53:44,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:53:44,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:53:44,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:53:44,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:53:44,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:53:44,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:53:44,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:53:44,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:53:44,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2019-12-01 20:53:44,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:53:44,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:53:44,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:53:44,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:53:44,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:53:44,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:53:44,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:53:44,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:53:44,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:53:44,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:53:44,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:53:44,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 20:53:44,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 20:53:44,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 20:53:44,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:53:44,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:53:44,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:53:44,715 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:53:44,715 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:53:44,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:53:44,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:53:44,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:53:44,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:53:44,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:53:44,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:53:44,717 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 20:53:44,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 20:53:44,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:53:44,717 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 20:53:44,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 20:53:44,718 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-01 20:53:44,718 INFO L138 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/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak 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 -> Kojak 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 -> 68130a68a6d5f7f15c60d499b9073780fe03ec98 [2019-12-01 20:53:44,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:53:44,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:53:44,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:53:44,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:53:44,897 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:53:44,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2019-12-01 20:53:44,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/3f430a8c4/3b729d792c04487995d4660e960a535a/FLAG290140250 [2019-12-01 20:53:45,452 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:53:45,453 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2019-12-01 20:53:45,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/3f430a8c4/3b729d792c04487995d4660e960a535a/FLAG290140250 [2019-12-01 20:53:45,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/data/3f430a8c4/3b729d792c04487995d4660e960a535a [2019-12-01 20:53:45,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:53:45,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:53:45,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:53:45,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:53:45,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:53:45,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:53:45" (1/1) ... [2019-12-01 20:53:45,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5258ce92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:45, skipping insertion in model container [2019-12-01 20:53:45,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:53:45" (1/1) ... [2019-12-01 20:53:45,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:53:46,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:53:47,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:53:47,744 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-01 20:53:47,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:53:48,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:53:48,007 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:53:48,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:53:48,674 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:53:48,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48 WrapperNode [2019-12-01 20:53:48,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:53:48,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:53:48,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:53:48,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:53:48,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:53:48,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:53:48,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:53:48,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:53:48,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:48,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:49,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... [2019-12-01 20:53:49,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:53:49,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:53:49,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:53:49,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:53:49,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:53:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7ff21e0-024e-4be2-a3b9-b01862a29d91/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-01 20:53:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2019-12-01 20:53:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2019-12-01 20:53:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2019-12-01 20:53:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2019-12-01 20:53:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2019-12-01 20:53:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2019-12-01 20:53:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-01 20:53:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2019-12-01 20:53:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2019-12-01 20:53:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-12-01 20:53:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-12-01 20:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-01 20:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-01 20:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2019-12-01 20:53:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2019-12-01 20:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-01 20:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-01 20:53:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2019-12-01 20:53:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-12-01 20:53:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2019-12-01 20:53:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2019-12-01 20:53:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2019-12-01 20:53:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-12-01 20:53:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-12-01 20:53:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-12-01 20:53:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-12-01 20:53:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-12-01 20:53:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-12-01 20:53:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2019-12-01 20:53:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2019-12-01 20:53:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-01 20:53:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-01 20:53:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2019-12-01 20:53:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2019-12-01 20:53:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-12-01 20:53:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-12-01 20:53:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-12-01 20:53:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2019-12-01 20:53:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2019-12-01 20:53:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2019-12-01 20:53:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2019-12-01 20:53:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2019-12-01 20:53:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2019-12-01 20:53:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2019-12-01 20:53:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2019-12-01 20:53:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-12-01 20:53:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-12-01 20:53:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-12-01 20:53:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-12-01 20:53:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-12-01 20:53:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-12-01 20:53:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2019-12-01 20:53:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2019-12-01 20:53:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-12-01 20:53:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2019-12-01 20:53:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2019-12-01 20:53:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 20:53:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-12-01 20:53:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2019-12-01 20:53:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2019-12-01 20:53:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 20:53:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2019-12-01 20:53:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2019-12-01 20:53:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2019-12-01 20:53:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2019-12-01 20:53:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-12-01 20:53:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-12-01 20:53:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-01 20:53:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2019-12-01 20:53:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2019-12-01 20:53:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-01 20:53:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2019-12-01 20:53:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-12-01 20:53:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-12-01 20:53:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-12-01 20:53:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-12-01 20:53:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2019-12-01 20:53:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2019-12-01 20:53:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2019-12-01 20:53:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2019-12-01 20:53:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2019-12-01 20:53:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-12-01 20:53:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-12-01 20:53:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-12-01 20:53:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-12-01 20:53:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-12-01 20:53:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-12-01 20:53:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2019-12-01 20:53:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2019-12-01 20:53:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-12-01 20:53:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-12-01 20:53:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-12-01 20:53:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-12-01 20:53:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2019-12-01 20:53:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2019-12-01 20:53:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2019-12-01 20:53:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2019-12-01 20:53:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2019-12-01 20:53:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2019-12-01 20:53:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-12-01 20:53:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-12-01 20:53:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-01 20:53:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-12-01 20:53:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2019-12-01 20:53:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2019-12-01 20:53:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2019-12-01 20:53:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-12-01 20:53:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-12-01 20:53:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2019-12-01 20:53:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2019-12-01 20:53:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-12-01 20:53:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2019-12-01 20:53:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2019-12-01 20:53:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2019-12-01 20:53:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2019-12-01 20:53:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2019-12-01 20:53:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2019-12-01 20:53:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-12-01 20:53:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2019-12-01 20:53:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2019-12-01 20:53:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2019-12-01 20:53:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2019-12-01 20:53:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-12-01 20:53:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-01 20:53:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-12-01 20:53:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-01 20:53:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2019-12-01 20:53:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-12-01 20:53:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-12-01 20:53:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2019-12-01 20:53:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2019-12-01 20:53:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-12-01 20:53:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-12-01 20:53:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-12-01 20:53:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-12-01 20:53:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2019-12-01 20:53:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2019-12-01 20:53:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-12-01 20:53:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-12-01 20:53:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-12-01 20:53:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-12-01 20:53:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2019-12-01 20:53:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2019-12-01 20:53:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-12-01 20:53:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2019-12-01 20:53:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2019-12-01 20:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-01 20:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2019-12-01 20:53:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2019-12-01 20:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2019-12-01 20:53:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2019-12-01 20:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-12-01 20:53:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-12-01 20:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:53:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:53:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-12-01 20:53:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-12-01 20:54:37,950 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5824: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,950 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5824: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 10bv32 == __copy_to_user_~size; [2019-12-01 20:54:37,950 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5853: SUMMARY for call __copy_to_user_#t~ret147 := copy_user_generic(__copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size); srcloc: null [2019-12-01 20:54:37,950 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5820: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,950 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5820: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 8bv32 == __copy_to_user_~size; [2019-12-01 20:54:37,950 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5853-1: __copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5816: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5816: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 4bv32 == __copy_to_user_~size; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5843: SUMMARY for call __copy_to_user_#t~ret146 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5843-1: __copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret146;havoc __copy_to_user_#t~ret146; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5831: SUMMARY for call __copy_to_user_#t~ret145 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch144;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5831-1: __copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret145;havoc __copy_to_user_#t~ret145; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 2bv32 == __copy_to_user_~size; [2019-12-01 20:54:37,951 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5852: assume __copy_to_user_#t~switch144; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5852: assume !__copy_to_user_#t~switch144; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5811: havoc __copy_to_user_#t~switch144; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5840: assume __copy_to_user_#t~switch144; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5840: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := true; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,952 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2019-12-01 20:54:37,953 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5828: assume __copy_to_user_#t~switch144; [2019-12-01 20:54:37,953 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5828: assume !__copy_to_user_#t~switch144;__copy_to_user_#t~switch144 := __copy_to_user_#t~switch144 || 16bv32 == __copy_to_user_~size; [2019-12-01 20:55:01,102 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5784-1: __copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret141;havoc __copy_from_user_#t~ret141; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5784: SUMMARY for call __copy_from_user_#t~ret141 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5752: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5752: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 4bv32 == __copy_from_user_~size; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5757: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5757: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 8bv32 == __copy_from_user_~size; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume __copy_from_user_#t~switch139; [2019-12-01 20:55:01,103 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume !__copy_from_user_#t~switch139; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: SUMMARY for call __copy_from_user_#t~ret142 := copy_user_generic(__copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size); srcloc: null [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: __copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5762: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5762: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 10bv32 == __copy_from_user_~size; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5767: assume __copy_from_user_#t~switch139; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5767: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 16bv32 == __copy_from_user_~size; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: SUMMARY for call __copy_from_user_#t~ret140 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: __copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret140;havoc __copy_from_user_#t~ret140; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := __copy_from_user_#t~switch139 || 2bv32 == __copy_from_user_~size; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch139;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5772: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5772: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5746: havoc __copy_from_user_#t~switch139; [2019-12-01 20:55:01,104 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5780: assume __copy_from_user_#t~switch139; [2019-12-01 20:55:01,105 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5780: assume !__copy_from_user_#t~switch139;__copy_from_user_#t~switch139 := true; [2019-12-01 20:55:19,689 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-12-01 20:55:19,694 INFO L168 Benchmark]: Toolchain (without parser) took 93723.02 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 729.8 MB). Free memory was 934.9 MB in the beginning and 1.3 GB in the end (delta: -340.1 MB). Peak memory consumption was 903.5 MB. Max. memory is 11.5 GB. [2019-12-01 20:55:19,694 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:55:19,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2704.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 934.9 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 325.9 MB. Max. memory is 11.5 GB. [2019-12-01 20:55:19,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 988.0 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-12-01 20:55:19,696 INFO L168 Benchmark]: Boogie Preprocessor took 186.37 ms. Allocated memory is still 1.3 GB. Free memory was 988.0 MB in the beginning and 945.3 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:55:19,697 INFO L168 Benchmark]: RCFGBuilder took 90649.73 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 457.7 MB). Free memory was 945.3 MB in the beginning and 1.3 GB in the end (delta: -329.8 MB). Peak memory consumption was 641.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:55:19,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2704.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 934.9 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 325.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 180.02 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 988.0 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 186.37 ms. Allocated memory is still 1.3 GB. Free memory was 988.0 MB in the beginning and 945.3 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 90649.73 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 457.7 MB). Free memory was 945.3 MB in the beginning and 1.3 GB in the end (delta: -329.8 MB). Peak memory consumption was 641.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:358) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...