./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/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_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ --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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:01,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:01,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:01,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:01,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:01,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:01,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:01,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:01,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:01,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:01,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:01,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:01,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:01,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:01,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:01,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:01,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:01,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:01,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:01,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:01,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:01,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:01,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:01,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:01,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:01,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:01,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:01,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:01,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:01,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:01,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:01,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:01,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:01,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:01,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:01,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:01,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:01,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:01,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:01,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:01,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:01,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 01:47:01,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:01,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:01,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:01,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:01,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:01,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:01,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:01,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:01,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:01,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:01,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:01,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:01,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:01,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:01,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:01,935 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:01,935 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:01,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:01,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:01,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:01,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:01,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:01,937 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:01,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:01,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:01,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-11-23 01:47:02,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:02,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:02,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:02,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:02,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:02,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-23 01:47:02,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/8a7d1fc83/6167d1b37d954f98bef6340853f956f6/FLAG1ab263546 [2021-11-23 01:47:03,381 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:03,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-23 01:47:03,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/8a7d1fc83/6167d1b37d954f98bef6340853f956f6/FLAG1ab263546 [2021-11-23 01:47:03,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/8a7d1fc83/6167d1b37d954f98bef6340853f956f6 [2021-11-23 01:47:03,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:03,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:03,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:03,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:03,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:03,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:03" (1/1) ... [2021-11-23 01:47:03,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24a8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:03, skipping insertion in model container [2021-11-23 01:47:03,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:03" (1/1) ... [2021-11-23 01:47:03,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:03,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:06,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-23 01:47:06,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:06,603 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:07,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-23 01:47:07,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:07,315 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:07,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07 WrapperNode [2021-11-23 01:47:07,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:07,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:07,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:07,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:07,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:07,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:07,688 INFO L137 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6648 [2021-11-23 01:47:07,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:07,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:07,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:07,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:07,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:07,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:07,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:07,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:08,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:08,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:08,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:08,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:08,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:08,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:08,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:08,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:07" (1/1) ... [2021-11-23 01:47:08,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:08,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:08,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:08,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2021-11-23 01:47:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2021-11-23 01:47:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-11-23 01:47:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-11-23 01:47:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-11-23 01:47:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-11-23 01:47:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2021-11-23 01:47:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2021-11-23 01:47:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 01:47:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 01:47:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2021-11-23 01:47:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2021-11-23 01:47:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:47:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2021-11-23 01:47:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2021-11-23 01:47:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:47:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-23 01:47:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-23 01:47:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2021-11-23 01:47:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2021-11-23 01:47:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2021-11-23 01:47:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2021-11-23 01:47:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-11-23 01:47:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-11-23 01:47:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 01:47:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 01:47:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 01:47:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 01:47:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 01:47:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 01:47:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2021-11-23 01:47:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2021-11-23 01:47:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:47:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:47:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2021-11-23 01:47:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2021-11-23 01:47:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 01:47:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 01:47:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 01:47:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 01:47:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-23 01:47:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 01:47:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 01:47:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2021-11-23 01:47:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2021-11-23 01:47:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-11-23 01:47:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-11-23 01:47:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2021-11-23 01:47:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2021-11-23 01:47:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2021-11-23 01:47:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2021-11-23 01:47:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-11-23 01:47:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-11-23 01:47:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2021-11-23 01:47:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2021-11-23 01:47:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 01:47:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 01:47:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 01:47:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 01:47:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 01:47:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 01:47:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2021-11-23 01:47:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2021-11-23 01:47:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2021-11-23 01:47:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2021-11-23 01:47:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:47:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 01:47:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 01:47:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2021-11-23 01:47:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2021-11-23 01:47:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2021-11-23 01:47:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2021-11-23 01:47:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:47:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 01:47:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 01:47:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2021-11-23 01:47:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2021-11-23 01:47:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2021-11-23 01:47:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2021-11-23 01:47:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:47:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:47:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-11-23 01:47:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-11-23 01:47:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-11-23 01:47:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-11-23 01:47:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 01:47:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 01:47:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2021-11-23 01:47:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2021-11-23 01:47:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2021-11-23 01:47:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2021-11-23 01:47:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 01:47:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 01:47:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 01:47:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 01:47:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 01:47:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 01:47:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-23 01:47:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-23 01:47:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 01:47:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 01:47:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2021-11-23 01:47:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2021-11-23 01:47:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-11-23 01:47:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-11-23 01:47:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2021-11-23 01:47:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2021-11-23 01:47:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 01:47:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 01:47:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 01:47:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 01:47:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:47:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 01:47:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 01:47:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2021-11-23 01:47:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2021-11-23 01:47:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 01:47:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 01:47:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:47:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2021-11-23 01:47:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2021-11-23 01:47:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:47:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2021-11-23 01:47:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2021-11-23 01:47:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2021-11-23 01:47:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2021-11-23 01:47:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2021-11-23 01:47:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2021-11-23 01:47:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 01:47:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 01:47:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 01:47:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 01:47:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-23 01:47:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-11-23 01:47:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-11-23 01:47:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:47:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 01:47:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 01:47:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-23 01:47:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-23 01:47:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-11-23 01:47:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-11-23 01:47:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2021-11-23 01:47:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2021-11-23 01:47:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-11-23 01:47:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-11-23 01:47:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2021-11-23 01:47:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2021-11-23 01:47:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2021-11-23 01:47:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2021-11-23 01:47:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2021-11-23 01:47:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2021-11-23 01:47:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 01:47:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 01:47:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 01:47:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 01:47:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:47:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:47:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2021-11-23 01:47:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2021-11-23 01:47:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-23 01:47:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-23 01:47:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:47:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-23 01:47:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-23 01:47:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 01:47:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 01:47:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2021-11-23 01:47:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2021-11-23 01:47:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2021-11-23 01:47:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2021-11-23 01:47:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2021-11-23 01:47:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2021-11-23 01:47:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2021-11-23 01:47:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2021-11-23 01:47:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:47:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 01:47:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 01:47:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:47:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-23 01:47:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-23 01:47:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:47:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:47:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2021-11-23 01:47:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2021-11-23 01:47:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 01:47:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 01:47:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 01:47:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 01:47:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2021-11-23 01:47:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2021-11-23 01:47:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 01:47:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 01:47:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2021-11-23 01:47:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2021-11-23 01:47:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 01:47:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 01:47:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2021-11-23 01:47:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2021-11-23 01:47:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 01:47:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 01:47:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 01:47:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 01:47:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2021-11-23 01:47:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2021-11-23 01:47:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2021-11-23 01:47:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2021-11-23 01:47:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-23 01:47:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-23 01:47:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2021-11-23 01:47:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2021-11-23 01:47:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-23 01:47:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-23 01:47:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:47:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:47:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2021-11-23 01:47:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2021-11-23 01:47:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 01:47:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 01:47:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 01:47:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 01:47:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2021-11-23 01:47:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2021-11-23 01:47:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2021-11-23 01:47:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2021-11-23 01:47:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-11-23 01:47:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-11-23 01:47:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 01:47:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 01:47:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 01:47:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 01:47:09,354 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:09,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:22,486 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -9223372036854775808 <= __copy_to_user_#t~ret139#1 && __copy_to_user_#t~ret139#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -9223372036854775808 <= __copy_to_user_#t~ret138#1 && __copy_to_user_#t~ret138#1 <= 9223372036854775807;__copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,487 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16 == __copy_to_user_~size#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10 == __copy_to_user_~size#1; [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2021-11-23 01:47:22,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8 == __copy_to_user_~size#1; [2021-11-23 01:47:22,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 01:47:22,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4 == __copy_to_user_~size#1; [2021-11-23 01:47:22,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:47:22,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2 == __copy_to_user_~size#1; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -9223372036854775808 <= __copy_from_user_#t~ret133#1 && __copy_from_user_#t~ret133#1 <= 9223372036854775807;__copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2021-11-23 01:47:25,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -9223372036854775808 <= __copy_from_user_#t~ret134#1 && __copy_from_user_#t~ret134#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4 == __copy_from_user_~size#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8 == __copy_from_user_~size#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2 == __copy_from_user_~size#1; [2021-11-23 01:47:25,729 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10 == __copy_from_user_~size#1; [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2021-11-23 01:47:25,730 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16 == __copy_from_user_~size#1; [2021-11-23 01:47:26,966 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:28,327 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:28,327 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:47:28,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:28 BoogieIcfgContainer [2021-11-23 01:47:28,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:28,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:28,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:28,345 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:28,346 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:28" (1/1) ... [2021-11-23 01:47:28,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 1814 states and 2645 transitions. [2021-11-23 01:47:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2645 transitions. [2021-11-23 01:47:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:47:28,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 1815 states and 2640 transitions. [2021-11-23 01:47:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2640 transitions. [2021-11-23 01:47:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:47:28,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 1818 states and 2643 transitions. [2021-11-23 01:47:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2643 transitions. [2021-11-23 01:47:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:47:29,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 1822 states and 2647 transitions. [2021-11-23 01:47:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2647 transitions. [2021-11-23 01:47:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:47:29,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 1827 states and 2652 transitions. [2021-11-23 01:47:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2652 transitions. [2021-11-23 01:47:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:47:30,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 1831 states and 2665 transitions. [2021-11-23 01:47:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2665 transitions. [2021-11-23 01:47:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:47:30,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 1835 states and 2678 transitions. [2021-11-23 01:47:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2678 transitions. [2021-11-23 01:47:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:47:30,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 1839 states and 2691 transitions. [2021-11-23 01:47:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2691 transitions. [2021-11-23 01:47:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:30,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1843 states and 2704 transitions. [2021-11-23 01:47:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2704 transitions. [2021-11-23 01:47:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:30,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 1847 states and 2717 transitions. [2021-11-23 01:47:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2717 transitions. [2021-11-23 01:47:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:47:31,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 1849 states and 2723 transitions. [2021-11-23 01:47:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2723 transitions. [2021-11-23 01:47:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:31,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 1852 states and 2727 transitions. [2021-11-23 01:47:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2727 transitions. [2021-11-23 01:47:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:31,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 1855 states and 2731 transitions. [2021-11-23 01:47:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2731 transitions. [2021-11-23 01:47:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:31,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 1857 states and 2735 transitions. [2021-11-23 01:47:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2735 transitions. [2021-11-23 01:47:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:32,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:32,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 1860 states and 2739 transitions. [2021-11-23 01:47:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2739 transitions. [2021-11-23 01:47:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:32,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:32,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 1862 states and 2743 transitions. [2021-11-23 01:47:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2743 transitions. [2021-11-23 01:47:32,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:47:32,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:32,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 1875 states and 2783 transitions. [2021-11-23 01:47:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2783 transitions. [2021-11-23 01:47:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:47:32,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:32,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 1876 states and 2783 transitions. [2021-11-23 01:47:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2783 transitions. [2021-11-23 01:47:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:47:32,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:32,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 1878 states and 2788 transitions. [2021-11-23 01:47:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2788 transitions. [2021-11-23 01:47:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:33,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 1880 states and 2790 transitions. [2021-11-23 01:47:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2790 transitions. [2021-11-23 01:47:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:47:33,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 1881 states and 2791 transitions. [2021-11-23 01:47:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2791 transitions. [2021-11-23 01:47:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:33,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 1884 states and 2798 transitions. [2021-11-23 01:47:33,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2798 transitions. [2021-11-23 01:47:33,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:33,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:47:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 1886 states and 2801 transitions. [2021-11-23 01:47:33,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2801 transitions. [2021-11-23 01:47:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:47:33,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:47:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1891 states and 2807 transitions. [2021-11-23 01:47:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2807 transitions. [2021-11-23 01:47:33,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:33,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:47:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 1891 states and 2806 transitions. [2021-11-23 01:47:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2806 transitions. [2021-11-23 01:47:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:47:34,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:47:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 1896 states and 2812 transitions. [2021-11-23 01:47:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2812 transitions. [2021-11-23 01:47:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:34,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:47:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 1901 states and 2818 transitions. [2021-11-23 01:47:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2818 transitions. [2021-11-23 01:47:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:34,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:34,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 1905 states and 2823 transitions. [2021-11-23 01:47:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2823 transitions. [2021-11-23 01:47:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:47:34,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:47:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 1910 states and 2829 transitions. [2021-11-23 01:47:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2829 transitions. [2021-11-23 01:47:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:47:34,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 1915 states and 2836 transitions. [2021-11-23 01:47:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2836 transitions. [2021-11-23 01:47:34,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:47:34,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 1918 states and 2841 transitions. [2021-11-23 01:47:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2841 transitions. [2021-11-23 01:47:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:35,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 1922 states and 2847 transitions. [2021-11-23 01:47:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2847 transitions. [2021-11-23 01:47:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:47:35,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 1925 states and 2852 transitions. [2021-11-23 01:47:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2852 transitions. [2021-11-23 01:47:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:35,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 1929 states and 2858 transitions. [2021-11-23 01:47:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2858 transitions. [2021-11-23 01:47:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:47:35,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 1933 states and 2864 transitions. [2021-11-23 01:47:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2864 transitions. [2021-11-23 01:47:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:35,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 1936 states and 2869 transitions. [2021-11-23 01:47:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2869 transitions. [2021-11-23 01:47:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:35,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 1940 states and 2879 transitions. [2021-11-23 01:47:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2879 transitions. [2021-11-23 01:47:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:36,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:36,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 1945 states and 2912 transitions. [2021-11-23 01:47:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2912 transitions. [2021-11-23 01:47:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:47:37,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 1946 states and 2913 transitions. [2021-11-23 01:47:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2913 transitions. [2021-11-23 01:47:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:47:37,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 1950 states and 2934 transitions. [2021-11-23 01:47:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2934 transitions. [2021-11-23 01:47:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:47:37,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:47:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 1954 states and 2941 transitions. [2021-11-23 01:47:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2941 transitions. [2021-11-23 01:47:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:47:37,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:47:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 1957 states and 2947 transitions. [2021-11-23 01:47:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2947 transitions. [2021-11-23 01:47:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:47:37,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:38,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:47:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:39,044 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:47:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:47:40,120 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 42 iterations. [2021-11-23 01:47:40,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:47:40 ImpRootNode [2021-11-23 01:47:40,228 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:47:40,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:47:40,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:47:40,228 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:47:40,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:28" (3/4) ... [2021-11-23 01:47:40,241 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 01:47:40,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:47:40,243 INFO L158 Benchmark]: Toolchain (without parser) took 36573.01ms. Allocated memory was 111.1MB in the beginning and 547.4MB in the end (delta: 436.2MB). Free memory was 77.8MB in the beginning and 371.0MB in the end (delta: -293.1MB). Peak memory consumption was 144.3MB. Max. memory is 16.1GB. [2021-11-23 01:47:40,243 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:47:40,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3645.21ms. Allocated memory was 111.1MB in the beginning and 203.4MB in the end (delta: 92.3MB). Free memory was 77.8MB in the beginning and 121.5MB in the end (delta: -43.7MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2021-11-23 01:47:40,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 373.50ms. Allocated memory is still 203.4MB. Free memory was 121.5MB in the beginning and 86.9MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 01:47:40,245 INFO L158 Benchmark]: Boogie Preprocessor took 424.16ms. Allocated memory is still 203.4MB. Free memory was 86.9MB in the beginning and 99.7MB in the end (delta: -12.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2021-11-23 01:47:40,246 INFO L158 Benchmark]: RCFGBuilder took 20217.11ms. Allocated memory was 203.4MB in the beginning and 455.1MB in the end (delta: 251.7MB). Free memory was 99.7MB in the beginning and 202.3MB in the end (delta: -102.6MB). Peak memory consumption was 226.7MB. Max. memory is 16.1GB. [2021-11-23 01:47:40,247 INFO L158 Benchmark]: CodeCheck took 11892.83ms. Allocated memory was 455.1MB in the beginning and 547.4MB in the end (delta: 92.3MB). Free memory was 202.3MB in the beginning and 372.0MB in the end (delta: -169.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:47:40,247 INFO L158 Benchmark]: Witness Printer took 13.75ms. Allocated memory is still 547.4MB. Free memory was 372.0MB in the beginning and 371.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:47:40,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 109 procedures, 1814 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 42, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20805 SdHoareTripleChecker+Valid, 23.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8647 mSDsluCounter, 22554 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14284 mSDsCounter, 1971 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10959 IncrementalHoareTripleChecker+Invalid, 12930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1971 mSolverCounterUnsat, 11584 mSDtfsCounter, 10959 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15281 GetRequests, 15189 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3638 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1275 NumberOfCodeBlocks, 1275 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1185 ConstructedInterpolants, 0 QuantifiedInterpolants, 2399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 PerfectInterpolantSequences, 203/203 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595, overapproximation of bitwiseOr at line 6296. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; [L10600] COND FALSE !(experimental_zcopytx != 0) [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: [L10673] case 3: VAL [__this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10674] FCALL ldv_handler_precall() VAL [__this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10675] CALL vhost_net_compat_ioctl(var_group2, var_vhost_net_compat_ioctl_28_p1, var_vhost_net_compat_ioctl_28_p2) [L10582] void *tmp ; [L10583] long tmp___0 ; [L10585] CALL, EXPR compat_ptr((compat_uptr_t )arg) [L9300] return ((void *)((unsigned long )uptr)); [L10585] RET, EXPR compat_ptr((compat_uptr_t )arg) [L10585] tmp = compat_ptr((compat_uptr_t )arg) [L10586] CALL vhost_net_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10568] CALL vhost_net_reset_owner(n) [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={217:10}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={217:10}, lock={217:10}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, ldv_func_arg1={217:10}, ldv_func_arg1={217:10}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, ldv_func_arg1={217:10}, ldv_func_arg1={217:10}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, dev={217:-6}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, dev={217:-6}, dev={217:-6}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: [L5302] return (pfo_ret__); [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, dev={217:-6}, dev={217:-6}, experimental_zcopytx=0, get_current()={217:-1092}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] EXPR (unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={217:-6}, n={217:-6}, rx_sock={217:0}, tx_sock={219:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [\old(ldv_mutex_mutex)=1, __this_module={222:224}, err=0, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={217:-6}, n={217:-6}, rx_sock={217:0}, tx_sock={219:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [\old(ldv_mutex_mutex)=2, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={217:-6}, rx_sock={217:0}, tx_sock={219:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [\old(ldv_mutex_mutex)=2, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={217:-6}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={217:17410}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L10160] CALL ldv_mutex_lock_56(& vq->mutex) [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={217:17418}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={217:17418}, lock={217:17418}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={222:224}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3645.21ms. Allocated memory was 111.1MB in the beginning and 203.4MB in the end (delta: 92.3MB). Free memory was 77.8MB in the beginning and 121.5MB in the end (delta: -43.7MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 373.50ms. Allocated memory is still 203.4MB. Free memory was 121.5MB in the beginning and 86.9MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 424.16ms. Allocated memory is still 203.4MB. Free memory was 86.9MB in the beginning and 99.7MB in the end (delta: -12.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * RCFGBuilder took 20217.11ms. Allocated memory was 203.4MB in the beginning and 455.1MB in the end (delta: 251.7MB). Free memory was 99.7MB in the beginning and 202.3MB in the end (delta: -102.6MB). Peak memory consumption was 226.7MB. Max. memory is 16.1GB. * CodeCheck took 11892.83ms. Allocated memory was 455.1MB in the beginning and 547.4MB in the end (delta: 92.3MB). Free memory was 202.3MB in the beginning and 372.0MB in the end (delta: -169.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.75ms. Allocated memory is still 547.4MB. Free memory was 372.0MB in the beginning and 371.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 01:47:40,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/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_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ --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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:42,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:42,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:42,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:42,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:42,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:42,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:42,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:42,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:42,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:42,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:42,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:42,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:42,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:42,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:42,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:42,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:42,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:42,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:42,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:42,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:42,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:42,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:42,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:42,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:42,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:42,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:42,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:42,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:42,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:42,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:42,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:42,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:42,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:42,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:42,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:42,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:42,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:42,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:42,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:42,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:42,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 01:47:42,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:42,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:42,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:42,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:42,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:42,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:42,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:42,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:42,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:42,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:42,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:42,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:47:42,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:47:42,859 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:47:42,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:42,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:42,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:42,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:42,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:42,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:42,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:42,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:42,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:42,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:42,862 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:47:42,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:47:42,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:42,863 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:47:42,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:47:42,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-11-23 01:47:43,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:43,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:43,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:43,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:43,313 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:43,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-23 01:47:43,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/7e0eaf0da/c4adf738212846678a4bac165009aca0/FLAG52a3673cd [2021-11-23 01:47:44,534 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:44,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-23 01:47:44,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/7e0eaf0da/c4adf738212846678a4bac165009aca0/FLAG52a3673cd [2021-11-23 01:47:44,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/data/7e0eaf0da/c4adf738212846678a4bac165009aca0 [2021-11-23 01:47:44,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:44,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:44,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:44,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:44,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:44,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:44" (1/1) ... [2021-11-23 01:47:44,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4846df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:44, skipping insertion in model container [2021-11-23 01:47:44,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:44" (1/1) ... [2021-11-23 01:47:44,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:45,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:47,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-23 01:47:47,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:47,889 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:47:48,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:48,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-23 01:47:48,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:48,490 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:48,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-23 01:47:48,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:49,143 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:49,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49 WrapperNode [2021-11-23 01:47:49,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:49,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:49,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:49,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:49,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,488 INFO L137 Inliner]: procedures = 350, calls = 2627, calls flagged for inlining = 143, calls inlined = 135, statements flattened = 6447 [2021-11-23 01:47:49,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:49,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:49,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:49,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:49,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:49,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:49,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:49,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:49,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:49" (1/1) ... [2021-11-23 01:47:49,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:49,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:49,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:49,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2021-11-23 01:47:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2021-11-23 01:47:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-11-23 01:47:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-11-23 01:47:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-11-23 01:47:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-11-23 01:47:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 01:47:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2021-11-23 01:47:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2021-11-23 01:47:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 01:47:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 01:47:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 01:47:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:47:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2021-11-23 01:47:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2021-11-23 01:47:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:47:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 01:47:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2021-11-23 01:47:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2021-11-23 01:47:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:47:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-23 01:47:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-23 01:47:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2021-11-23 01:47:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2021-11-23 01:47:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2021-11-23 01:47:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2021-11-23 01:47:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-11-23 01:47:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-11-23 01:47:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 01:47:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 01:47:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 01:47:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 01:47:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 01:47:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 01:47:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2021-11-23 01:47:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2021-11-23 01:47:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:47:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:47:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2021-11-23 01:47:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2021-11-23 01:47:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 01:47:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 01:47:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 01:47:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 01:47:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-23 01:47:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 01:47:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 01:47:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2021-11-23 01:47:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2021-11-23 01:47:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-11-23 01:47:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-11-23 01:47:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2021-11-23 01:47:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2021-11-23 01:47:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2021-11-23 01:47:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2021-11-23 01:47:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-11-23 01:47:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-11-23 01:47:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 01:47:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 01:47:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 01:47:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 01:47:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 01:47:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 01:47:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2021-11-23 01:47:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2021-11-23 01:47:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2021-11-23 01:47:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2021-11-23 01:47:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:47:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 01:47:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 01:47:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2021-11-23 01:47:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2021-11-23 01:47:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2021-11-23 01:47:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2021-11-23 01:47:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:47:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 01:47:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 01:47:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2021-11-23 01:47:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2021-11-23 01:47:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2021-11-23 01:47:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2021-11-23 01:47:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 01:47:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 01:47:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 01:47:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:47:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:47:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:47:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-11-23 01:47:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-11-23 01:47:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-11-23 01:47:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-11-23 01:47:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 01:47:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 01:47:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 01:47:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2021-11-23 01:47:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2021-11-23 01:47:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:47:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:47:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2021-11-23 01:47:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2021-11-23 01:47:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 01:47:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 01:47:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 01:47:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 01:47:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-23 01:47:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-23 01:47:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 01:47:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 01:47:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2021-11-23 01:47:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2021-11-23 01:47:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-11-23 01:47:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-11-23 01:47:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2021-11-23 01:47:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2021-11-23 01:47:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 01:47:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 01:47:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 01:47:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 01:47:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 01:47:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 01:47:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2021-11-23 01:47:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2021-11-23 01:47:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 01:47:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 01:47:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2021-11-23 01:47:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2021-11-23 01:47:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2021-11-23 01:47:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2021-11-23 01:47:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2021-11-23 01:47:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2021-11-23 01:47:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2021-11-23 01:47:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2021-11-23 01:47:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 01:47:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 01:47:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 01:47:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 01:47:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-23 01:47:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-11-23 01:47:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-11-23 01:47:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 01:47:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 01:47:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-23 01:47:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-23 01:47:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-11-23 01:47:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-11-23 01:47:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2021-11-23 01:47:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2021-11-23 01:47:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-11-23 01:47:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-11-23 01:47:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2021-11-23 01:47:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2021-11-23 01:47:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2021-11-23 01:47:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2021-11-23 01:47:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 01:47:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 01:47:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 01:47:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 01:47:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2021-11-23 01:47:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2021-11-23 01:47:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 01:47:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 01:47:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 01:47:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 01:47:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:47:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:47:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2021-11-23 01:47:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2021-11-23 01:47:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-23 01:47:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-23 01:47:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:47:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-23 01:47:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-23 01:47:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 01:47:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 01:47:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2021-11-23 01:47:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2021-11-23 01:47:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2021-11-23 01:47:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2021-11-23 01:47:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2021-11-23 01:47:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2021-11-23 01:47:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2021-11-23 01:47:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2021-11-23 01:47:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:47:50,068 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 01:47:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 01:47:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:47:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 01:47:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 01:47:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-23 01:47:50,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-23 01:47:50,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:47:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:47:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 01:47:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2021-11-23 01:47:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2021-11-23 01:47:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 01:47:50,070 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 01:47:50,070 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 01:47:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 01:47:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2021-11-23 01:47:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2021-11-23 01:47:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 01:47:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 01:47:50,071 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 01:47:50,071 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 01:47:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2021-11-23 01:47:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2021-11-23 01:47:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 01:47:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 01:47:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 01:47:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 01:47:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2021-11-23 01:47:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2021-11-23 01:47:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2021-11-23 01:47:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2021-11-23 01:47:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-23 01:47:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-23 01:47:50,073 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2021-11-23 01:47:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2021-11-23 01:47:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-23 01:47:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-23 01:47:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2021-11-23 01:47:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2021-11-23 01:47:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 01:47:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 01:47:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 01:47:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 01:47:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2021-11-23 01:47:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2021-11-23 01:47:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 01:47:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2021-11-23 01:47:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2021-11-23 01:47:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-11-23 01:47:50,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-11-23 01:47:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 01:47:50,076 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 01:47:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:50,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 01:47:50,076 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 01:47:50,989 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:50,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:48:56,134 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-23 01:48:56,135 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: __copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2021-11-23 01:48:56,135 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-23 01:48:56,135 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: __copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2021-11-23 01:48:56,136 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2021-11-23 01:48:56,136 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2021-11-23 01:48:56,136 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0bv64 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,136 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0bv64 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,137 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2021-11-23 01:48:56,137 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2021-11-23 01:48:56,137 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2021-11-23 01:48:56,138 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0bv64 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,138 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0bv64 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,138 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2021-11-23 01:48:56,139 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16bv32 == __copy_to_user_~size#1; [2021-11-23 01:48:56,139 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,139 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10bv32 == __copy_to_user_~size#1; [2021-11-23 01:48:56,139 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2021-11-23 01:48:56,139 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8bv32 == __copy_to_user_~size#1; [2021-11-23 01:48:56,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := __copy_to_user_~tmp___2~4#1[32:0]; [2021-11-23 01:48:56,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4bv32 == __copy_to_user_~size#1; [2021-11-23 01:48:56,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2021-11-23 01:48:56,141 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2bv32 == __copy_to_user_~size#1; [2021-11-23 01:49:35,388 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: __copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2021-11-23 01:49:35,389 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: __copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4bv32 == __copy_from_user_~size#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8bv32 == __copy_from_user_~size#1; [2021-11-23 01:49:35,390 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2bv32 == __copy_from_user_~size#1; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := __copy_from_user_~tmp___2~3#1[32:0]; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10bv32 == __copy_from_user_~size#1; [2021-11-23 01:49:35,391 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2021-11-23 01:49:35,392 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16bv32 == __copy_from_user_~size#1; [2021-11-23 01:49:45,712 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:49:47,417 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:49:47,417 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:49:47,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:47 BoogieIcfgContainer [2021-11-23 01:49:47,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:49:47,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:49:47,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:49:47,437 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:49:47,438 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:47" (1/1) ... [2021-11-23 01:49:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:49:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 1792 states and 2619 transitions. [2021-11-23 01:49:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2619 transitions. [2021-11-23 01:49:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:49:47,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:47,669 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-23 01:49:47,675 INFO L158 Benchmark]: Toolchain (without parser) took 122840.43ms. Allocated memory was 50.3MB in the beginning and 474.0MB in the end (delta: 423.6MB). Free memory was 22.3MB in the beginning and 234.9MB in the end (delta: -212.5MB). Peak memory consumption was 211.9MB. Max. memory is 16.1GB. [2021-11-23 01:49:47,676 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 50.3MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:49:47,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4309.88ms. Allocated memory was 50.3MB in the beginning and 237.0MB in the end (delta: 186.6MB). Free memory was 22.1MB in the beginning and 144.7MB in the end (delta: -122.6MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2021-11-23 01:49:47,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 343.74ms. Allocated memory is still 237.0MB. Free memory was 144.7MB in the beginning and 114.3MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 01:49:47,679 INFO L158 Benchmark]: Boogie Preprocessor took 427.50ms. Allocated memory is still 237.0MB. Free memory was 114.3MB in the beginning and 126.0MB in the end (delta: -11.7MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-11-23 01:49:47,681 INFO L158 Benchmark]: RCFGBuilder took 117505.80ms. Allocated memory was 237.0MB in the beginning and 474.0MB in the end (delta: 237.0MB). Free memory was 126.0MB in the beginning and 248.5MB in the end (delta: -122.5MB). Peak memory consumption was 251.8MB. Max. memory is 16.1GB. [2021-11-23 01:49:47,682 INFO L158 Benchmark]: CodeCheck took 247.11ms. Allocated memory is still 474.0MB. Free memory was 248.5MB in the beginning and 234.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:49:47,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 50.3MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4309.88ms. Allocated memory was 50.3MB in the beginning and 237.0MB in the end (delta: 186.6MB). Free memory was 22.1MB in the beginning and 144.7MB in the end (delta: -122.6MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 343.74ms. Allocated memory is still 237.0MB. Free memory was 144.7MB in the beginning and 114.3MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 427.50ms. Allocated memory is still 237.0MB. Free memory was 114.3MB in the beginning and 126.0MB in the end (delta: -11.7MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * RCFGBuilder took 117505.80ms. Allocated memory was 237.0MB in the beginning and 474.0MB in the end (delta: 237.0MB). Free memory was 126.0MB in the beginning and 248.5MB in the end (delta: -122.5MB). Peak memory consumption was 251.8MB. Max. memory is 16.1GB. * CodeCheck took 247.11ms. Allocated memory is still 474.0MB. Free memory was 248.5MB in the beginning and 234.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:49:47,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92e22d38-82ed-44d0-9535-666866bb10c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared