./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/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_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 89313c753f0bf6997ff328bc2ab856bdf61e017c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/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_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 89313c753f0bf6997ff328bc2ab856bdf61e017c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:12:58,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:12:58,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:12:58,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:12:58,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:12:58,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:12:58,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:12:58,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:12:58,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:12:58,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:12:58,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:12:58,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:12:58,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:12:58,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:12:58,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:12:58,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:12:58,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:12:58,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:12:58,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:12:58,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:12:58,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:12:58,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:12:58,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:12:58,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:12:58,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:12:58,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:12:58,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:12:58,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:12:58,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:12:58,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:12:58,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:12:58,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:12:58,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:12:58,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:12:58,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:12:58,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:12:58,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:12:58,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:12:58,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:12:58,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:12:58,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:12:58,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-11-30 00:12:59,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:12:59,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:12:59,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:12:59,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:12:59,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:12:59,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:12:59,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:12:59,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:12:59,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:12:59,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:12:59,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:12:59,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:12:59,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:12:59,044 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:12:59,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:12:59,045 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:12:59,045 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:12:59,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:12:59,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:12:59,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:12:59,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:12:59,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:12:59,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:12:59,048 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:12:59,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:12:59,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:12:59,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:12:59,049 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89313c753f0bf6997ff328bc2ab856bdf61e017c [2020-11-30 00:12:59,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:12:59,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:12:59,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:12:59,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:12:59,430 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:12:59,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-11-30 00:12:59,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/c1cee0cc2/59d936beba69433abc7b9fa07f788c18/FLAG0353ccc3b [2020-11-30 00:13:00,794 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:13:00,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-11-30 00:13:00,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/c1cee0cc2/59d936beba69433abc7b9fa07f788c18/FLAG0353ccc3b [2020-11-30 00:13:01,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/c1cee0cc2/59d936beba69433abc7b9fa07f788c18 [2020-11-30 00:13:01,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:13:01,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:13:01,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:01,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:13:01,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:13:01,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:01" (1/1) ... [2020-11-30 00:13:01,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e491264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:01, skipping insertion in model container [2020-11-30 00:13:01,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:01" (1/1) ... [2020-11-30 00:13:01,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:13:01,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:13:05,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:05,097 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:13:05,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:06,616 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:13:06,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06 WrapperNode [2020-11-30 00:13:06,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:06,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:06,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:13:06,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:13:06,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:06,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:07,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:13:07,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:13:07,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:13:07,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... [2020-11-30 00:13:07,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:13:07,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:13:07,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:13:07,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:13:07,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/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 [2020-11-30 00:13:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2020-11-30 00:13:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2020-11-30 00:13:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2020-11-30 00:13:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2020-11-30 00:13:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2020-11-30 00:13:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2020-11-30 00:13:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2020-11-30 00:13:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2020-11-30 00:13:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-11-30 00:13:07,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-11-30 00:13:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2020-11-30 00:13:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2020-11-30 00:13:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:13:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2020-11-30 00:13:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2020-11-30 00:13:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:13:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-11-30 00:13:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-11-30 00:13:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2020-11-30 00:13:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2020-11-30 00:13:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2020-11-30 00:13:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2020-11-30 00:13:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2020-11-30 00:13:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2020-11-30 00:13:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-11-30 00:13:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-11-30 00:13:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-11-30 00:13:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-11-30 00:13:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-11-30 00:13:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-11-30 00:13:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2020-11-30 00:13:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2020-11-30 00:13:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:13:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:13:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2020-11-30 00:13:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2020-11-30 00:13:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-11-30 00:13:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-11-30 00:13:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-11-30 00:13:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-11-30 00:13:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2020-11-30 00:13:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-11-30 00:13:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-11-30 00:13:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2020-11-30 00:13:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2020-11-30 00:13:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2020-11-30 00:13:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2020-11-30 00:13:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2020-11-30 00:13:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2020-11-30 00:13:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2020-11-30 00:13:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2020-11-30 00:13:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2020-11-30 00:13:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2020-11-30 00:13:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2020-11-30 00:13:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2020-11-30 00:13:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-11-30 00:13:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-11-30 00:13:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-11-30 00:13:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-11-30 00:13:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-11-30 00:13:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-11-30 00:13:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2020-11-30 00:13:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2020-11-30 00:13:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2020-11-30 00:13:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2020-11-30 00:13:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:13:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-11-30 00:13:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-11-30 00:13:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2020-11-30 00:13:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2020-11-30 00:13:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2020-11-30 00:13:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2020-11-30 00:13:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:13:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-11-30 00:13:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-11-30 00:13:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2020-11-30 00:13:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2020-11-30 00:13:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2020-11-30 00:13:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2020-11-30 00:13:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:13:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:13:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2020-11-30 00:13:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2020-11-30 00:13:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2020-11-30 00:13:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2020-11-30 00:13:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-11-30 00:13:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-11-30 00:13:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2020-11-30 00:13:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2020-11-30 00:13:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2020-11-30 00:13:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2020-11-30 00:13:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-11-30 00:13:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-11-30 00:13:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-11-30 00:13:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-11-30 00:13:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-11-30 00:13:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-11-30 00:13:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2020-11-30 00:13:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2020-11-30 00:13:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-11-30 00:13:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-11-30 00:13:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2020-11-30 00:13:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2020-11-30 00:13:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2020-11-30 00:13:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2020-11-30 00:13:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2020-11-30 00:13:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2020-11-30 00:13:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-11-30 00:13:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-11-30 00:13:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-11-30 00:13:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-11-30 00:13:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-11-30 00:13:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-11-30 00:13:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-11-30 00:13:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2020-11-30 00:13:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2020-11-30 00:13:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-11-30 00:13:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-11-30 00:13:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-30 00:13:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2020-11-30 00:13:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2020-11-30 00:13:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:13:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2020-11-30 00:13:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2020-11-30 00:13:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2020-11-30 00:13:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2020-11-30 00:13:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2020-11-30 00:13:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2020-11-30 00:13:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-11-30 00:13:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-11-30 00:13:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:13:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-11-30 00:13:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2020-11-30 00:13:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2020-11-30 00:13:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2020-11-30 00:13:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:13:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-11-30 00:13:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-11-30 00:13:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2020-11-30 00:13:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2020-11-30 00:13:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2020-11-30 00:13:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2020-11-30 00:13:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2020-11-30 00:13:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2020-11-30 00:13:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2020-11-30 00:13:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2020-11-30 00:13:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2020-11-30 00:13:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2020-11-30 00:13:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2020-11-30 00:13:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2020-11-30 00:13:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2020-11-30 00:13:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2020-11-30 00:13:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-11-30 00:13:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-11-30 00:13:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-11-30 00:13:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-11-30 00:13:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-11-30 00:13:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-11-30 00:13:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2020-11-30 00:13:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2020-11-30 00:13:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2020-11-30 00:13:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2020-11-30 00:13:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:13:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2020-11-30 00:13:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2020-11-30 00:13:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-11-30 00:13:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-11-30 00:13:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2020-11-30 00:13:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2020-11-30 00:13:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2020-11-30 00:13:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2020-11-30 00:13:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2020-11-30 00:13:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2020-11-30 00:13:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2020-11-30 00:13:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2020-11-30 00:13:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:13:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2020-11-30 00:13:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2020-11-30 00:13:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-11-30 00:13:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-11-30 00:13:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-11-30 00:13:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:13:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:13:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2020-11-30 00:13:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2020-11-30 00:13:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-11-30 00:13:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-11-30 00:13:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-11-30 00:13:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-11-30 00:13:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2020-11-30 00:13:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2020-11-30 00:13:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-11-30 00:13:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-11-30 00:13:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2020-11-30 00:13:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2020-11-30 00:13:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-11-30 00:13:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-11-30 00:13:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2020-11-30 00:13:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2020-11-30 00:13:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-11-30 00:13:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-11-30 00:13:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-11-30 00:13:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-11-30 00:13:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2020-11-30 00:13:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2020-11-30 00:13:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2020-11-30 00:13:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2020-11-30 00:13:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-11-30 00:13:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-11-30 00:13:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2020-11-30 00:13:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2020-11-30 00:13:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2020-11-30 00:13:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2020-11-30 00:13:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-11-30 00:13:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-11-30 00:13:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2020-11-30 00:13:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2020-11-30 00:13:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-11-30 00:13:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-11-30 00:13:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-11-30 00:13:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-11-30 00:13:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2020-11-30 00:13:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2020-11-30 00:13:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:13:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2020-11-30 00:13:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2020-11-30 00:13:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2020-11-30 00:13:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2020-11-30 00:13:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-11-30 00:13:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-11-30 00:13:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:13:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:13:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-11-30 00:13:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-11-30 00:13:18,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret148 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2 then 1 else 0), 0); srcloc: null [2020-11-30 00:13:18,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2020-11-30 00:13:18,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret147 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2 then 1 else 0), 0); srcloc: null [2020-11-30 00:13:18,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2020-11-30 00:13:18,403 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146; [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret149 := 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 [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2020-11-30 00:13:18,406 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__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); [2020-11-30 00:13:18,406 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,406 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2020-11-30 00:13:18,406 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:13:18,406 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2020-11-30 00:13:24,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret142 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1 then 1 else 0), 0); srcloc: null [2020-11-30 00:13:24,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2020-11-30 00:13:24,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2020-11-30 00:13:24,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret143 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1 then 1 else 0), 0); srcloc: null [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2020-11-30 00:13:24,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__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); [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret144 := 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 [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:13:24,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2020-11-30 00:13:24,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141; [2020-11-30 00:13:24,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2020-11-30 00:13:43,410 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 00:13:43,415 INFO L168 Benchmark]: Toolchain (without parser) took 42394.94 ms. Allocated memory was 94.4 MB in the beginning and 734.0 MB in the end (delta: 639.6 MB). Free memory was 50.8 MB in the beginning and 524.2 MB in the end (delta: -473.4 MB). Peak memory consumption was 497.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:43,416 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:13:43,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5597.53 ms. Allocated memory was 94.4 MB in the beginning and 186.6 MB in the end (delta: 92.3 MB). Free memory was 50.5 MB in the beginning and 67.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:43,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 509.54 ms. Allocated memory is still 186.6 MB. Free memory was 67.2 MB in the beginning and 97.9 MB in the end (delta: -30.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:43,419 INFO L168 Benchmark]: Boogie Preprocessor took 496.85 ms. Allocated memory is still 186.6 MB. Free memory was 97.9 MB in the beginning and 54.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:43,421 INFO L168 Benchmark]: RCFGBuilder took 35784.35 ms. Allocated memory was 186.6 MB in the beginning and 734.0 MB in the end (delta: 547.4 MB). Free memory was 54.9 MB in the beginning and 524.2 MB in the end (delta: -469.3 MB). Peak memory consumption was 408.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:13:43,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5597.53 ms. Allocated memory was 94.4 MB in the beginning and 186.6 MB in the end (delta: 92.3 MB). Free memory was 50.5 MB in the beginning and 67.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 509.54 ms. Allocated memory is still 186.6 MB. Free memory was 67.2 MB in the beginning and 97.9 MB in the end (delta: -30.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 496.85 ms. Allocated memory is still 186.6 MB. Free memory was 97.9 MB in the beginning and 54.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 35784.35 ms. Allocated memory was 186.6 MB in the beginning and 734.0 MB in the end (delta: 547.4 MB). Free memory was 54.9 MB in the beginning and 524.2 MB in the end (delta: -469.3 MB). Peak memory consumption was 408.3 MB. Max. memory is 16.1 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:413) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:13:46,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:13:46,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:13:46,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:13:46,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:13:46,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:13:46,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:13:46,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:13:46,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:13:46,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:13:46,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:13:46,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:13:46,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:13:46,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:13:46,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:13:46,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:13:46,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:13:46,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:13:46,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:13:46,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:13:46,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:13:46,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:13:46,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:13:46,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:13:46,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:13:46,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:13:46,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:13:46,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:13:46,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:13:46,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:13:46,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:13:46,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:13:46,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:13:46,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:13:46,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:13:46,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:13:46,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:13:46,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:13:46,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:13:46,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:13:46,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:13:46,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-11-30 00:13:46,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:13:46,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:13:46,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:13:46,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:13:46,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:13:46,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:13:46,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:13:46,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:13:46,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:13:46,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:13:46,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:13:46,280 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:13:46,280 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:13:46,280 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:13:46,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:13:46,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:13:46,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:13:46,281 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:13:46,282 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:13:46,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:13:46,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:13:46,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:13:46,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:13:46,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:13:46,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:13:46,283 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 00:13:46,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:13:46,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:13:46,284 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 00:13:46,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:13:46,284 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-30 00:13:46,285 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89313c753f0bf6997ff328bc2ab856bdf61e017c [2020-11-30 00:13:46,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:13:46,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:13:46,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:13:46,764 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:13:46,765 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:13:46,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-11-30 00:13:46,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/dee7e745a/a8468e8754d64b43b2dea23355833cff/FLAG593334207 [2020-11-30 00:13:48,101 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:13:48,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-11-30 00:13:48,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/dee7e745a/a8468e8754d64b43b2dea23355833cff/FLAG593334207 [2020-11-30 00:13:48,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/bin/ukojak/data/dee7e745a/a8468e8754d64b43b2dea23355833cff [2020-11-30 00:13:48,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:13:48,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:13:48,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:48,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:13:48,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:13:48,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:48" (1/1) ... [2020-11-30 00:13:48,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d89314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:48, skipping insertion in model container [2020-11-30 00:13:48,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:13:48" (1/1) ... [2020-11-30 00:13:48,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:13:48,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:13:51,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:51,823 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 00:13:51,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:13:52,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:52,549 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:13:53,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:13:53,894 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:13:53,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53 WrapperNode [2020-11-30 00:13:53,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:13:53,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:53,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:13:53,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:13:53,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:13:54,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:13:54,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:13:54,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:13:54,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... [2020-11-30 00:13:54,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:13:54,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:13:54,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:13:54,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:13:54,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:13:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a445632d-1fe1-4cfe-9525-59821ad99769/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 [2020-11-30 00:13:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2020-11-30 00:13:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2020-11-30 00:13:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2020-11-30 00:13:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2020-11-30 00:13:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2020-11-30 00:13:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2020-11-30 00:13:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 00:13:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2020-11-30 00:13:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2020-11-30 00:13:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-11-30 00:13:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-11-30 00:13:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-11-30 00:13:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:13:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2020-11-30 00:13:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2020-11-30 00:13:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:13:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-11-30 00:13:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2020-11-30 00:13:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2020-11-30 00:13:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:13:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-11-30 00:13:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-11-30 00:13:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2020-11-30 00:13:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2020-11-30 00:13:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2020-11-30 00:13:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2020-11-30 00:13:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2020-11-30 00:13:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2020-11-30 00:13:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-11-30 00:13:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-11-30 00:13:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-11-30 00:13:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-11-30 00:13:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-11-30 00:13:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-11-30 00:13:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2020-11-30 00:13:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2020-11-30 00:13:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:13:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:13:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2020-11-30 00:13:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2020-11-30 00:13:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-11-30 00:13:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-11-30 00:13:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-11-30 00:13:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-11-30 00:13:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2020-11-30 00:13:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-11-30 00:13:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-11-30 00:13:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2020-11-30 00:13:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2020-11-30 00:13:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2020-11-30 00:13:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2020-11-30 00:13:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2020-11-30 00:13:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2020-11-30 00:13:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2020-11-30 00:13:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2020-11-30 00:13:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2020-11-30 00:13:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2020-11-30 00:13:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-11-30 00:13:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-11-30 00:13:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-11-30 00:13:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-11-30 00:13:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-11-30 00:13:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-11-30 00:13:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2020-11-30 00:13:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2020-11-30 00:13:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2020-11-30 00:13:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2020-11-30 00:13:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:13:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-11-30 00:13:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-11-30 00:13:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2020-11-30 00:13:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2020-11-30 00:13:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2020-11-30 00:13:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2020-11-30 00:13:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:13:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-11-30 00:13:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-11-30 00:13:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2020-11-30 00:13:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2020-11-30 00:13:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2020-11-30 00:13:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2020-11-30 00:13:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-11-30 00:13:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 00:13:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-11-30 00:13:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:13:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:13:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:13:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2020-11-30 00:13:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2020-11-30 00:13:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2020-11-30 00:13:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2020-11-30 00:13:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-11-30 00:13:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-11-30 00:13:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-11-30 00:13:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2020-11-30 00:13:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2020-11-30 00:13:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:13:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 00:13:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2020-11-30 00:13:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2020-11-30 00:13:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-11-30 00:13:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-11-30 00:13:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-11-30 00:13:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-11-30 00:13:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2020-11-30 00:13:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2020-11-30 00:13:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-11-30 00:13:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-11-30 00:13:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2020-11-30 00:13:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2020-11-30 00:13:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2020-11-30 00:13:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2020-11-30 00:13:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2020-11-30 00:13:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2020-11-30 00:13:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-11-30 00:13:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-11-30 00:13:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-11-30 00:13:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-11-30 00:13:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-11-30 00:13:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-11-30 00:13:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2020-11-30 00:13:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2020-11-30 00:13:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-11-30 00:13:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-11-30 00:13:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2020-11-30 00:13:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2020-11-30 00:13:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2020-11-30 00:13:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2020-11-30 00:13:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2020-11-30 00:13:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2020-11-30 00:13:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2020-11-30 00:13:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2020-11-30 00:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-11-30 00:13:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-11-30 00:13:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:13:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-11-30 00:13:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2020-11-30 00:13:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2020-11-30 00:13:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2020-11-30 00:13:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-11-30 00:13:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-11-30 00:13:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2020-11-30 00:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2020-11-30 00:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2020-11-30 00:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2020-11-30 00:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2020-11-30 00:13:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2020-11-30 00:13:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2020-11-30 00:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2020-11-30 00:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2020-11-30 00:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2020-11-30 00:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2020-11-30 00:13:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2020-11-30 00:13:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 00:13:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2020-11-30 00:13:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-11-30 00:13:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2020-11-30 00:13:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2020-11-30 00:13:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2020-11-30 00:13:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-11-30 00:13:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-11-30 00:13:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-11-30 00:13:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-11-30 00:13:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-11-30 00:13:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-11-30 00:13:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2020-11-30 00:13:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2020-11-30 00:13:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2020-11-30 00:13:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2020-11-30 00:13:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:13:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2020-11-30 00:13:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2020-11-30 00:13:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-11-30 00:13:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-11-30 00:13:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2020-11-30 00:13:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2020-11-30 00:13:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2020-11-30 00:13:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2020-11-30 00:13:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2020-11-30 00:13:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2020-11-30 00:13:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2020-11-30 00:13:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2020-11-30 00:13:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:13:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2020-11-30 00:13:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2020-11-30 00:13:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-11-30 00:13:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2020-11-30 00:13:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2020-11-30 00:13:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-11-30 00:13:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-11-30 00:13:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:13:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:13:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 00:13:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2020-11-30 00:13:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2020-11-30 00:13:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-11-30 00:13:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-11-30 00:13:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-11-30 00:13:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-11-30 00:13:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2020-11-30 00:13:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2020-11-30 00:13:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-11-30 00:13:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-11-30 00:13:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-11-30 00:13:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-11-30 00:13:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2020-11-30 00:13:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2020-11-30 00:13:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-11-30 00:13:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-11-30 00:13:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-11-30 00:13:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-11-30 00:13:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2020-11-30 00:13:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2020-11-30 00:13:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2020-11-30 00:13:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2020-11-30 00:13:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-11-30 00:13:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-11-30 00:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2020-11-30 00:13:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2020-11-30 00:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2020-11-30 00:13:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2020-11-30 00:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2020-11-30 00:13:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2020-11-30 00:13:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-11-30 00:13:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-11-30 00:13:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-11-30 00:13:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-11-30 00:13:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2020-11-30 00:13:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2020-11-30 00:13:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-11-30 00:13:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2020-11-30 00:13:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2020-11-30 00:13:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2020-11-30 00:13:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2020-11-30 00:13:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-11-30 00:13:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-11-30 00:13:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:13:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:13:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-11-30 00:13:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-11-30 00:14:49,961 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret148 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2020-11-30 00:14:49,961 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: __copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2020-11-30 00:14:49,962 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret147 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2020-11-30 00:14:49,962 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: __copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2020-11-30 00:14:49,962 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146; [2020-11-30 00:14:49,962 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2020-11-30 00:14:49,962 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,963 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146; [2020-11-30 00:14:49,964 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret149 := 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 [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2020-11-30 00:14:49,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2020-11-30 00:14:49,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-11-30 00:14:49,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2020-11-30 00:15:25,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret142 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2020-11-30 00:15:25,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: __copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2020-11-30 00:15:25,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret143 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: __copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141; [2020-11-30 00:15:25,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2020-11-30 00:15:25,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2020-11-30 00:15:25,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret144 := 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 [2020-11-30 00:15:25,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-11-30 00:15:25,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2020-11-30 00:15:25,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141; [2020-11-30 00:15:25,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2020-11-30 00:15:49,980 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 00:15:49,986 INFO L168 Benchmark]: Toolchain (without parser) took 121503.04 ms. Allocated memory was 56.6 MB in the beginning and 629.1 MB in the end (delta: 572.5 MB). Free memory was 34.9 MB in the beginning and 501.9 MB in the end (delta: -467.0 MB). Peak memory consumption was 453.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:49,987 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.2 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:15:49,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5415.14 ms. Allocated memory was 56.6 MB in the beginning and 245.4 MB in the end (delta: 188.7 MB). Free memory was 34.6 MB in the beginning and 136.3 MB in the end (delta: -101.7 MB). Peak memory consumption was 129.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:49,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 518.41 ms. Allocated memory is still 245.4 MB. Free memory was 136.3 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:49,991 INFO L168 Benchmark]: Boogie Preprocessor took 435.09 ms. Allocated memory is still 245.4 MB. Free memory was 104.9 MB in the beginning and 59.8 MB in the end (delta: 45.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:49,992 INFO L168 Benchmark]: RCFGBuilder took 115125.99 ms. Allocated memory was 245.4 MB in the beginning and 629.1 MB in the end (delta: 383.8 MB). Free memory was 59.8 MB in the beginning and 501.9 MB in the end (delta: -442.1 MB). Peak memory consumption was 290.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:49,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.2 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5415.14 ms. Allocated memory was 56.6 MB in the beginning and 245.4 MB in the end (delta: 188.7 MB). Free memory was 34.6 MB in the beginning and 136.3 MB in the end (delta: -101.7 MB). Peak memory consumption was 129.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 518.41 ms. Allocated memory is still 245.4 MB. Free memory was 136.3 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 435.09 ms. Allocated memory is still 245.4 MB. Free memory was 104.9 MB in the beginning and 59.8 MB in the end (delta: 45.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 115125.99 ms. Allocated memory was 245.4 MB in the beginning and 629.1 MB in the end (delta: 383.8 MB). Free memory was 59.8 MB in the beginning and 501.9 MB in the end (delta: -442.1 MB). Peak memory consumption was 290.8 MB. Max. memory is 16.1 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:413) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...