./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/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_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/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_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/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_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/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 0.2.0-69874e2 [2020-12-01 17:55:27,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:55:27,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:55:27,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:55:27,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:55:27,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:55:27,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:55:27,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:55:27,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:55:27,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:55:27,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:55:27,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:55:27,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:55:27,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:55:27,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:55:27,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:55:27,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:55:27,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:55:27,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:55:27,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:55:27,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:55:27,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:55:27,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:55:27,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:55:27,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:55:27,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:55:27,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:55:27,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:55:27,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:55:27,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:55:27,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:55:27,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:55:27,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:55:27,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:55:27,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:55:27,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:55:27,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:55:27,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:55:27,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:55:27,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:55:27,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:55:27,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-12-01 17:55:27,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:55:27,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:55:27,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:55:27,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:55:27,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:55:27,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:55:27,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:55:27,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:55:27,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:55:27,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:55:27,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:55:27,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:55:27,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:55:27,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:55:27,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:55:27,317 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:55:27,317 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:55:27,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:55:27,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:55:27,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:55:27,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:55:27,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:55:27,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:55:27,320 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:55:27,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:55:27,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:55:27,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:55:27,322 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_b565eaf0-8967-4d91-ba1e-fcf85154db70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89313c753f0bf6997ff328bc2ab856bdf61e017c [2020-12-01 17:55:27,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:55:27,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:55:27,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:55:27,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:55:27,828 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:55:27,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-12-01 17:55:27,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/cc8ebea53/f3efa8bc4128464a992e7d360ca86743/FLAG341ce6275 [2020-12-01 17:55:29,390 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:55:29,391 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-12-01 17:55:29,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/cc8ebea53/f3efa8bc4128464a992e7d360ca86743/FLAG341ce6275 [2020-12-01 17:55:29,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/cc8ebea53/f3efa8bc4128464a992e7d360ca86743 [2020-12-01 17:55:29,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:55:29,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:55:29,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:55:29,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:55:29,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:55:29,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:55:29" (1/1) ... [2020-12-01 17:55:29,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd17d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:29, skipping insertion in model container [2020-12-01 17:55:29,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:55:29" (1/1) ... [2020-12-01 17:55:29,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:55:29,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:55:33,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:55:33,594 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:55:34,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:55:35,126 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:55:35,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35 WrapperNode [2020-12-01 17:55:35,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:55:35,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:55:35,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:55:35,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:55:35,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:35,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:35,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:55:35,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:55:35,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:55:35,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:55:35,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:35,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:35,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:35,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:36,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:36,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:36,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... [2020-12-01 17:55:36,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:55:36,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:55:36,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:55:36,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:55:36,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/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 [2020-12-01 17:55:36,365 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2020-12-01 17:55:36,366 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2020-12-01 17:55:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2020-12-01 17:55:36,366 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2020-12-01 17:55:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2020-12-01 17:55:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2020-12-01 17:55:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2020-12-01 17:55:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2020-12-01 17:55:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-12-01 17:55:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-12-01 17:55:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2020-12-01 17:55:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2020-12-01 17:55:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-01 17:55:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2020-12-01 17:55:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2020-12-01 17:55:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-01 17:55:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-12-01 17:55:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-12-01 17:55:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2020-12-01 17:55:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2020-12-01 17:55:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2020-12-01 17:55:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2020-12-01 17:55:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2020-12-01 17:55:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2020-12-01 17:55:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-12-01 17:55:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-12-01 17:55:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-12-01 17:55:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-12-01 17:55:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-12-01 17:55:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-12-01 17:55:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2020-12-01 17:55:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2020-12-01 17:55:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-12-01 17:55:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-12-01 17:55:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2020-12-01 17:55:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2020-12-01 17:55:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-12-01 17:55:36,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-12-01 17:55:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-12-01 17:55:36,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-12-01 17:55:36,377 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2020-12-01 17:55:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-12-01 17:55:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-12-01 17:55:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2020-12-01 17:55:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2020-12-01 17:55:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2020-12-01 17:55:36,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2020-12-01 17:55:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2020-12-01 17:55:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2020-12-01 17:55:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2020-12-01 17:55:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2020-12-01 17:55:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2020-12-01 17:55:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2020-12-01 17:55:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2020-12-01 17:55:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2020-12-01 17:55:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-12-01 17:55:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-12-01 17:55:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-12-01 17:55:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-12-01 17:55:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-12-01 17:55:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-12-01 17:55:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2020-12-01 17:55:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2020-12-01 17:55:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2020-12-01 17:55:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2020-12-01 17:55:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:55:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-12-01 17:55:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-12-01 17:55:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2020-12-01 17:55:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2020-12-01 17:55:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2020-12-01 17:55:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2020-12-01 17:55:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:55:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-12-01 17:55:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-12-01 17:55:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2020-12-01 17:55:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2020-12-01 17:55:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2020-12-01 17:55:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2020-12-01 17:55:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:55:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 17:55:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2020-12-01 17:55:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2020-12-01 17:55:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2020-12-01 17:55:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2020-12-01 17:55:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-12-01 17:55:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-12-01 17:55:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2020-12-01 17:55:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2020-12-01 17:55:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2020-12-01 17:55:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2020-12-01 17:55:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-12-01 17:55:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-12-01 17:55:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-12-01 17:55:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-12-01 17:55:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-12-01 17:55:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-12-01 17:55:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2020-12-01 17:55:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2020-12-01 17:55:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-12-01 17:55:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-12-01 17:55:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2020-12-01 17:55:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2020-12-01 17:55:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2020-12-01 17:55:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2020-12-01 17:55:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2020-12-01 17:55:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2020-12-01 17:55:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-12-01 17:55:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-12-01 17:55:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-12-01 17:55:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-12-01 17:55:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-01 17:55:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-12-01 17:55:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-12-01 17:55:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2020-12-01 17:55:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2020-12-01 17:55:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-12-01 17:55:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-12-01 17:55:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-01 17:55:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2020-12-01 17:55:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2020-12-01 17:55:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:55:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2020-12-01 17:55:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2020-12-01 17:55:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2020-12-01 17:55:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2020-12-01 17:55:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2020-12-01 17:55:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2020-12-01 17:55:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-12-01 17:55:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-12-01 17:55:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-12-01 17:55:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-12-01 17:55:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2020-12-01 17:55:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2020-12-01 17:55:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2020-12-01 17:55:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:55:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-12-01 17:55:36,418 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-12-01 17:55:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2020-12-01 17:55:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2020-12-01 17:55:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2020-12-01 17:55:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2020-12-01 17:55:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2020-12-01 17:55:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2020-12-01 17:55:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2020-12-01 17:55:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2020-12-01 17:55:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2020-12-01 17:55:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2020-12-01 17:55:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2020-12-01 17:55:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2020-12-01 17:55:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2020-12-01 17:55:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2020-12-01 17:55:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-12-01 17:55:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-12-01 17:55:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-12-01 17:55:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-12-01 17:55:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-12-01 17:55:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-12-01 17:55:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2020-12-01 17:55:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2020-12-01 17:55:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2020-12-01 17:55:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2020-12-01 17:55:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:55:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2020-12-01 17:55:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2020-12-01 17:55:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-12-01 17:55:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-12-01 17:55:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2020-12-01 17:55:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2020-12-01 17:55:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2020-12-01 17:55:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2020-12-01 17:55:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2020-12-01 17:55:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2020-12-01 17:55:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2020-12-01 17:55:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2020-12-01 17:55:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:55:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2020-12-01 17:55:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2020-12-01 17:55:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-01 17:55:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-12-01 17:55:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-12-01 17:55:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-01 17:55:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-01 17:55:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2020-12-01 17:55:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2020-12-01 17:55:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-12-01 17:55:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-12-01 17:55:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-12-01 17:55:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-12-01 17:55:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2020-12-01 17:55:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2020-12-01 17:55:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-12-01 17:55:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-12-01 17:55:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2020-12-01 17:55:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2020-12-01 17:55:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-12-01 17:55:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-12-01 17:55:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2020-12-01 17:55:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2020-12-01 17:55:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-12-01 17:55:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-12-01 17:55:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-12-01 17:55:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-12-01 17:55:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2020-12-01 17:55:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2020-12-01 17:55:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2020-12-01 17:55:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2020-12-01 17:55:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-12-01 17:55:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-12-01 17:55:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2020-12-01 17:55:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2020-12-01 17:55:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2020-12-01 17:55:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2020-12-01 17:55:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-01 17:55:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-01 17:55:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2020-12-01 17:55:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2020-12-01 17:55:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-12-01 17:55:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-12-01 17:55:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-12-01 17:55:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-12-01 17:55:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2020-12-01 17:55:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2020-12-01 17:55:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:55:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2020-12-01 17:55:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2020-12-01 17:55:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2020-12-01 17:55:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2020-12-01 17:55:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-12-01 17:55:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-12-01 17:55:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:55:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:55:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-12-01 17:55:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-12-01 17:55:51,729 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 [2020-12-01 17:55:51,730 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; [2020-12-01 17:55:51,730 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 [2020-12-01 17:55:51,730 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; [2020-12-01 17:55:51,730 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146; [2020-12-01 17:55:51,730 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2020-12-01 17:55:51,730 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; [2020-12-01 17:55:51,731 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; [2020-12-01 17:55:51,731 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146; [2020-12-01 17:55:51,731 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2020-12-01 17:55:51,731 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2020-12-01 17:55:51,732 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; [2020-12-01 17:55:51,733 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; [2020-12-01 17:55:51,733 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146; [2020-12-01 17:55:51,734 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; [2020-12-01 17:55:51,734 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:55:51,734 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; [2020-12-01 17:55:51,734 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 [2020-12-01 17:55:51,735 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:55:51,737 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; [2020-12-01 17:55:51,744 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); [2020-12-01 17:55:51,745 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:55:51,745 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; [2020-12-01 17:55:51,745 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:55:51,745 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; [2020-12-01 17:55:55,397 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 [2020-12-01 17:55:55,397 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; [2020-12-01 17:55:55,397 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; [2020-12-01 17:55:55,398 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; [2020-12-01 17:55:55,398 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2020-12-01 17:55:55,398 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141; [2020-12-01 17:55:55,398 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2020-12-01 17:55:55,398 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 [2020-12-01 17:55:55,398 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; [2020-12-01 17:55:55,399 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; [2020-12-01 17:55:55,399 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; [2020-12-01 17:55:55,399 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:55:55,399 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; [2020-12-01 17:55:55,399 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:55:55,399 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; [2020-12-01 17:55:55,400 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; [2020-12-01 17:55:55,400 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:55:55,400 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141; [2020-12-01 17:55:55,400 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2020-12-01 17:55:55,400 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); [2020-12-01 17:55:55,400 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 [2020-12-01 17:55:55,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:55:55,401 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; [2020-12-01 17:55:55,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141; [2020-12-01 17:55:55,401 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2020-12-01 17:56:15,129 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-12-01 17:56:15,148 INFO L168 Benchmark]: Toolchain (without parser) took 45579.18 ms. Allocated memory was 90.2 MB in the beginning and 841.0 MB in the end (delta: 750.8 MB). Free memory was 47.5 MB in the beginning and 554.8 MB in the end (delta: -507.3 MB). Peak memory consumption was 553.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:15,149 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 90.2 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:56:15,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5559.64 ms. Allocated memory was 90.2 MB in the beginning and 281.0 MB in the end (delta: 190.8 MB). Free memory was 47.2 MB in the beginning and 210.2 MB in the end (delta: -163.0 MB). Peak memory consumption was 88.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:15,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 568.51 ms. Allocated memory is still 281.0 MB. Free memory was 210.2 MB in the beginning and 175.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:15,156 INFO L168 Benchmark]: Boogie Preprocessor took 549.08 ms. Allocated memory is still 281.0 MB. Free memory was 175.6 MB in the beginning and 133.7 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:15,157 INFO L168 Benchmark]: RCFGBuilder took 38883.07 ms. Allocated memory was 281.0 MB in the beginning and 841.0 MB in the end (delta: 559.9 MB). Free memory was 133.7 MB in the beginning and 554.8 MB in the end (delta: -421.1 MB). Peak memory consumption was 449.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:15,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 90.2 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5559.64 ms. Allocated memory was 90.2 MB in the beginning and 281.0 MB in the end (delta: 190.8 MB). Free memory was 47.2 MB in the beginning and 210.2 MB in the end (delta: -163.0 MB). Peak memory consumption was 88.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 568.51 ms. Allocated memory is still 281.0 MB. Free memory was 210.2 MB in the beginning and 175.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 549.08 ms. Allocated memory is still 281.0 MB. Free memory was 175.6 MB in the beginning and 133.7 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38883.07 ms. Allocated memory was 281.0 MB in the beginning and 841.0 MB in the end (delta: 559.9 MB). Free memory was 133.7 MB in the beginning and 554.8 MB in the end (delta: -421.1 MB). Peak memory consumption was 449.2 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 0.2.0-69874e2 [2020-12-01 17:56:18,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:56:18,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:56:18,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:56:18,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:56:18,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:56:18,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:56:18,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:56:18,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:56:18,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:56:18,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:56:18,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:56:18,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:56:18,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:56:18,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:56:18,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:56:18,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:56:18,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:56:18,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:56:18,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:56:18,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:56:18,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:56:18,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:56:18,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:56:18,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:56:18,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:56:18,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:56:18,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:56:18,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:56:18,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:56:18,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:56:18,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:56:18,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:56:18,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:56:18,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:56:18,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:56:18,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:56:18,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:56:18,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:56:18,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:56:18,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:56:18,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-12-01 17:56:18,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:56:18,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:56:18,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:56:18,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:56:18,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:56:18,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:56:18,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:56:18,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:56:18,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:56:18,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:56:18,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:56:18,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:56:18,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:56:18,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:56:18,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:56:18,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:56:18,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:56:18,885 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:56:18,885 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:56:18,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:56:18,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:56:18,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:56:18,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:56:18,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:56:18,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:56:18,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:56:18,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:56:18,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:56:18,889 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:56:18,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:56:18,889 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-12-01 17:56:18,890 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_b565eaf0-8967-4d91-ba1e-fcf85154db70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89313c753f0bf6997ff328bc2ab856bdf61e017c [2020-12-01 17:56:19,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:56:19,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:56:19,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:56:19,503 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:56:19,507 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:56:19,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-12-01 17:56:19,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/4c1cf2215/a1ed4a5ca2ac4968bc8c63a231a491ad/FLAG6220d2e6b [2020-12-01 17:56:21,055 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:56:21,056 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2020-12-01 17:56:21,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/4c1cf2215/a1ed4a5ca2ac4968bc8c63a231a491ad/FLAG6220d2e6b [2020-12-01 17:56:21,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/bin/ukojak/data/4c1cf2215/a1ed4a5ca2ac4968bc8c63a231a491ad [2020-12-01 17:56:21,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:56:21,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:56:21,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:56:21,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:56:21,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:56:21,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:56:21" (1/1) ... [2020-12-01 17:56:21,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e54c5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:21, skipping insertion in model container [2020-12-01 17:56:21,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:56:21" (1/1) ... [2020-12-01 17:56:21,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:56:21,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:56:25,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:56:25,681 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-01 17:56:25,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:56:26,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:56:26,484 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:56:27,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:56:28,452 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:56:28,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28 WrapperNode [2020-12-01 17:56:28,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:56:28,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:56:28,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:56:28,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:56:28,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:28,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:28,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:56:28,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:56:28,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:56:28,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:56:29,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... [2020-12-01 17:56:29,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:56:29,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:56:29,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:56:29,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:56:29,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b565eaf0-8967-4d91-ba1e-fcf85154db70/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 [2020-12-01 17:56:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2020-12-01 17:56:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2020-12-01 17:56:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2020-12-01 17:56:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2020-12-01 17:56:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2020-12-01 17:56:29,656 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2020-12-01 17:56:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-01 17:56:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2020-12-01 17:56:29,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2020-12-01 17:56:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-12-01 17:56:29,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-12-01 17:56:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-01 17:56:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 17:56:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2020-12-01 17:56:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2020-12-01 17:56:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-01 17:56:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-12-01 17:56:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2020-12-01 17:56:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2020-12-01 17:56:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-01 17:56:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-12-01 17:56:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-12-01 17:56:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2020-12-01 17:56:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2020-12-01 17:56:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2020-12-01 17:56:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2020-12-01 17:56:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2020-12-01 17:56:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2020-12-01 17:56:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-12-01 17:56:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-12-01 17:56:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-12-01 17:56:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-12-01 17:56:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-12-01 17:56:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-12-01 17:56:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2020-12-01 17:56:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2020-12-01 17:56:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-12-01 17:56:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-12-01 17:56:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2020-12-01 17:56:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2020-12-01 17:56:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-12-01 17:56:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-12-01 17:56:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-12-01 17:56:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-12-01 17:56:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2020-12-01 17:56:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-12-01 17:56:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-12-01 17:56:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2020-12-01 17:56:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2020-12-01 17:56:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2020-12-01 17:56:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2020-12-01 17:56:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2020-12-01 17:56:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2020-12-01 17:56:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2020-12-01 17:56:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2020-12-01 17:56:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2020-12-01 17:56:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2020-12-01 17:56:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-12-01 17:56:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-12-01 17:56:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-12-01 17:56:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-12-01 17:56:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-12-01 17:56:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-12-01 17:56:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2020-12-01 17:56:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2020-12-01 17:56:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2020-12-01 17:56:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2020-12-01 17:56:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:56:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-12-01 17:56:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-12-01 17:56:29,679 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2020-12-01 17:56:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2020-12-01 17:56:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2020-12-01 17:56:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2020-12-01 17:56:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:56:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-12-01 17:56:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-12-01 17:56:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2020-12-01 17:56:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2020-12-01 17:56:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2020-12-01 17:56:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2020-12-01 17:56:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-01 17:56:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-01 17:56:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-12-01 17:56:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:56:29,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 17:56:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 17:56:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2020-12-01 17:56:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2020-12-01 17:56:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2020-12-01 17:56:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2020-12-01 17:56:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-12-01 17:56:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-12-01 17:56:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-12-01 17:56:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2020-12-01 17:56:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2020-12-01 17:56:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:56:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 17:56:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2020-12-01 17:56:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2020-12-01 17:56:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-12-01 17:56:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-12-01 17:56:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-12-01 17:56:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-12-01 17:56:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2020-12-01 17:56:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2020-12-01 17:56:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-12-01 17:56:29,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-12-01 17:56:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2020-12-01 17:56:29,695 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2020-12-01 17:56:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2020-12-01 17:56:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2020-12-01 17:56:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2020-12-01 17:56:29,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2020-12-01 17:56:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-12-01 17:56:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-12-01 17:56:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-12-01 17:56:29,698 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-12-01 17:56:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-12-01 17:56:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-12-01 17:56:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2020-12-01 17:56:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2020-12-01 17:56:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-12-01 17:56:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-12-01 17:56:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2020-12-01 17:56:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2020-12-01 17:56:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2020-12-01 17:56:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2020-12-01 17:56:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2020-12-01 17:56:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2020-12-01 17:56:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2020-12-01 17:56:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2020-12-01 17:56:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-12-01 17:56:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-12-01 17:56:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-12-01 17:56:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-12-01 17:56:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2020-12-01 17:56:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2020-12-01 17:56:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2020-12-01 17:56:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-12-01 17:56:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-12-01 17:56:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2020-12-01 17:56:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2020-12-01 17:56:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2020-12-01 17:56:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2020-12-01 17:56:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2020-12-01 17:56:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2020-12-01 17:56:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2020-12-01 17:56:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2020-12-01 17:56:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2020-12-01 17:56:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2020-12-01 17:56:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2020-12-01 17:56:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2020-12-01 17:56:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-12-01 17:56:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2020-12-01 17:56:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-12-01 17:56:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2020-12-01 17:56:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2020-12-01 17:56:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2020-12-01 17:56:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-12-01 17:56:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-12-01 17:56:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-12-01 17:56:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-12-01 17:56:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-12-01 17:56:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-12-01 17:56:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2020-12-01 17:56:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2020-12-01 17:56:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2020-12-01 17:56:29,728 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2020-12-01 17:56:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:56:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2020-12-01 17:56:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2020-12-01 17:56:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-12-01 17:56:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-12-01 17:56:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2020-12-01 17:56:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2020-12-01 17:56:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2020-12-01 17:56:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2020-12-01 17:56:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2020-12-01 17:56:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2020-12-01 17:56:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2020-12-01 17:56:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2020-12-01 17:56:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:56:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2020-12-01 17:56:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2020-12-01 17:56:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-01 17:56:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2020-12-01 17:56:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2020-12-01 17:56:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-12-01 17:56:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-12-01 17:56:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-01 17:56:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-01 17:56:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-12-01 17:56:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2020-12-01 17:56:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2020-12-01 17:56:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-12-01 17:56:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-12-01 17:56:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-12-01 17:56:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-12-01 17:56:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2020-12-01 17:56:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2020-12-01 17:56:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-12-01 17:56:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-12-01 17:56:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-12-01 17:56:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-12-01 17:56:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2020-12-01 17:56:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2020-12-01 17:56:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-12-01 17:56:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-12-01 17:56:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-12-01 17:56:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-12-01 17:56:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2020-12-01 17:56:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2020-12-01 17:56:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2020-12-01 17:56:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2020-12-01 17:56:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-12-01 17:56:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-12-01 17:56:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2020-12-01 17:56:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2020-12-01 17:56:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2020-12-01 17:56:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2020-12-01 17:56:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2020-12-01 17:56:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2020-12-01 17:56:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-12-01 17:56:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-12-01 17:56:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-12-01 17:56:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-12-01 17:56:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2020-12-01 17:56:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2020-12-01 17:56:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-12-01 17:56:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2020-12-01 17:56:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2020-12-01 17:56:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2020-12-01 17:56:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2020-12-01 17:56:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-12-01 17:56:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-12-01 17:56:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:56:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:56:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-12-01 17:56:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-12-01 17:57:37,274 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 [2020-12-01 17:57:37,274 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; [2020-12-01 17:57:37,275 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 [2020-12-01 17:57:37,275 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; [2020-12-01 17:57:37,276 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146; [2020-12-01 17:57:37,276 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2020-12-01 17:57:37,276 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; [2020-12-01 17:57:37,277 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; [2020-12-01 17:57:37,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146; [2020-12-01 17:57:37,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2020-12-01 17:57:37,278 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2020-12-01 17:57:37,278 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; [2020-12-01 17:57:37,279 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; [2020-12-01 17:57:37,279 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146; [2020-12-01 17:57:37,279 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; [2020-12-01 17:57:37,280 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:57:37,280 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; [2020-12-01 17:57:37,280 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 [2020-12-01 17:57:37,281 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:57:37,281 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; [2020-12-01 17:57:37,281 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]; [2020-12-01 17:57:37,282 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:57:37,282 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; [2020-12-01 17:57:37,282 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2020-12-01 17:57:37,283 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; [2020-12-01 17:58:21,295 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 [2020-12-01 17:58:21,295 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; [2020-12-01 17:58:21,295 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; [2020-12-01 17:58:21,296 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; [2020-12-01 17:58:21,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2020-12-01 17:58:21,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141; [2020-12-01 17:58:21,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2020-12-01 17:58:21,296 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 [2020-12-01 17:58:21,296 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; [2020-12-01 17:58:21,296 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; [2020-12-01 17:58:21,296 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; [2020-12-01 17:58:21,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:58:21,296 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; [2020-12-01 17:58:21,297 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:58:21,297 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; [2020-12-01 17:58:21,297 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; [2020-12-01 17:58:21,297 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:58:21,297 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141; [2020-12-01 17:58:21,297 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2020-12-01 17:58:21,297 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]; [2020-12-01 17:58:21,297 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 [2020-12-01 17:58:21,297 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2020-12-01 17:58:21,297 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; [2020-12-01 17:58:21,298 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141; [2020-12-01 17:58:21,298 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2020-12-01 17:58:50,843 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-12-01 17:58:50,850 INFO L168 Benchmark]: Toolchain (without parser) took 149614.69 ms. Allocated memory was 54.5 MB in the beginning and 608.2 MB in the end (delta: 553.6 MB). Free memory was 30.8 MB in the beginning and 406.8 MB in the end (delta: -376.0 MB). Peak memory consumption was 447.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:58:50,852 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:58:50,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7219.89 ms. Allocated memory was 54.5 MB in the beginning and 360.7 MB in the end (delta: 306.2 MB). Free memory was 30.6 MB in the beginning and 253.0 MB in the end (delta: -222.3 MB). Peak memory consumption was 140.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:58:50,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 532.65 ms. Allocated memory is still 360.7 MB. Free memory was 253.0 MB in the beginning and 221.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:58:50,855 INFO L168 Benchmark]: Boogie Preprocessor took 549.40 ms. Allocated memory is still 360.7 MB. Free memory was 221.5 MB in the beginning and 176.4 MB in the end (delta: 45.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:58:50,857 INFO L168 Benchmark]: RCFGBuilder took 141303.63 ms. Allocated memory was 360.7 MB in the beginning and 608.2 MB in the end (delta: 247.5 MB). Free memory was 176.4 MB in the beginning and 407.9 MB in the end (delta: -231.5 MB). Peak memory consumption was 287.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:58:50,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7219.89 ms. Allocated memory was 54.5 MB in the beginning and 360.7 MB in the end (delta: 306.2 MB). Free memory was 30.6 MB in the beginning and 253.0 MB in the end (delta: -222.3 MB). Peak memory consumption was 140.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 532.65 ms. Allocated memory is still 360.7 MB. Free memory was 253.0 MB in the beginning and 221.5 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 549.40 ms. Allocated memory is still 360.7 MB. Free memory was 221.5 MB in the beginning and 176.4 MB in the end (delta: 45.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 141303.63 ms. Allocated memory was 360.7 MB in the beginning and 608.2 MB in the end (delta: 247.5 MB). Free memory was 176.4 MB in the beginning and 407.9 MB in the end (delta: -231.5 MB). Peak memory consumption was 287.6 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...