./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 c36dfa3b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 01:36:55,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 01:36:55,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 01:36:55,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 01:36:55,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 01:36:55,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 01:36:55,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 01:36:55,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 01:36:55,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 01:36:55,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 01:36:55,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 01:36:55,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 01:36:55,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 01:36:55,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 01:36:55,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 01:36:55,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 01:36:55,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 01:36:55,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 01:36:55,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 01:36:56,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 01:36:56,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 01:36:56,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 01:36:56,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 01:36:56,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 01:36:56,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 01:36:56,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 01:36:56,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 01:36:56,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 01:36:56,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 01:36:56,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 01:36:56,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 01:36:56,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 01:36:56,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 01:36:56,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 01:36:56,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 01:36:56,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 01:36:56,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 01:36:56,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 01:36:56,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 01:36:56,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 01:36:56,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 01:36:56,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 01:36:56,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 01:36:56,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 01:36:56,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 01:36:56,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 01:36:56,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 01:36:56,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 01:36:56,046 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 01:36:56,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 01:36:56,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 01:36:56,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 01:36:56,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 01:36:56,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 01:36:56,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 01:36:56,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 01:36:56,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 01:36:56,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 01:36:56,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 01:36:56,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 01:36:56,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 01:36:56,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:36:56,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 01:36:56,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 01:36:56,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 01:36:56,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 01:36:56,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 01:36:56,050 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 01:36:56,050 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 01:36:56,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 01:36:56,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 01:36:56,051 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-11-04 01:36:56,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 01:36:56,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 01:36:56,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 01:36:56,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 01:36:56,291 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 01:36:56,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-04 01:36:56,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcaf95be3/fb6d65fb15894630b30b24401ed932ef/FLAG29e120207 [2021-11-04 01:36:57,025 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 01:36:57,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-04 01:36:57,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcaf95be3/fb6d65fb15894630b30b24401ed932ef/FLAG29e120207 [2021-11-04 01:36:57,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcaf95be3/fb6d65fb15894630b30b24401ed932ef [2021-11-04 01:36:57,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 01:36:57,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 01:36:57,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 01:36:57,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 01:36:57,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 01:36:57,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:36:57" (1/1) ... [2021-11-04 01:36:57,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d5def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:57, skipping insertion in model container [2021-11-04 01:36:57,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:36:57" (1/1) ... [2021-11-04 01:36:57,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 01:36:57,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 01:36:59,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-04 01:36:59,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:36:59,258 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 01:36:59,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-04 01:36:59,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:36:59,579 INFO L208 MainTranslator]: Completed translation [2021-11-04 01:36:59,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59 WrapperNode [2021-11-04 01:36:59,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 01:36:59,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 01:36:59,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 01:36:59,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 01:36:59,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:36:59,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:00,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 01:37:00,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 01:37:00,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 01:37:00,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 01:37:00,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:00,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:00,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:00,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:01,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:01,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:01,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:01,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 01:37:01,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 01:37:01,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 01:37:01,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 01:37:01,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (1/1) ... [2021-11-04 01:37:01,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:37:01,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 01:37:01,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 01:37:01,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 01:37:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-11-04 01:37:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-11-04 01:37:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-04 01:37:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-04 01:37:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 01:37:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 01:37:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-11-04 01:37:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-11-04 01:37:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-04 01:37:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-11-04 01:37:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-11-04 01:37:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-11-04 01:37:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-11-04 01:37:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 01:37:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 01:37:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 01:37:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 01:37:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-11-04 01:37:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-11-04 01:37:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-11-04 01:37:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-11-04 01:37:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 01:37:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-04 01:37:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-04 01:37:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2021-11-04 01:37:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2021-11-04 01:37:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 01:37:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 01:37:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 01:37:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 01:37:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 01:37:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2021-11-04 01:37:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2021-11-04 01:37:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 01:37:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 01:37:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 01:37:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-11-04 01:37:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-11-04 01:37:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 01:37:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 01:37:03,634 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,635 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,635 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,635 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,635 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,636 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-04 01:37:03,636 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,636 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-04 01:37:03,636 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,636 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,637 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,637 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,637 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:03,637 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume !__copy_from_user_#t~switch141; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1219: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-2: havoc __copy_to_user_#t~switch146; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-3: havoc __copy_to_user_#t~switch146; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2021-11-04 01:37:03,638 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-1: havoc __copy_to_user_#t~switch146; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-04 01:37:03,639 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-04 01:37:03,640 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,641 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-04 01:37:03,642 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,642 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-04 01:37:03,642 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,642 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-04 01:37:03,643 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,643 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-04 01:37:03,646 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,646 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-04 01:37:03,647 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,647 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-04 01:37:03,647 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,647 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,647 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,648 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,648 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,648 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,648 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,648 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,648 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,649 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:37:03,649 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,649 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:37:03,649 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,649 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:37:03,649 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,650 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:37:03,650 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,650 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,650 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,650 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,651 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,651 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,653 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,653 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,653 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:03,653 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2021-11-04 01:37:03,654 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:03,654 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume !__copy_to_user_#t~switch146; [2021-11-04 01:37:03,654 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:03,655 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume !__copy_to_user_#t~switch146; [2021-11-04 01:37:03,655 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:03,659 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume !__copy_to_user_#t~switch146; [2021-11-04 01:37:03,660 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2021-11-04 01:37:03,660 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,660 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1811: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1812: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-3: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:03,661 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-7: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-5: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-11: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-9: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-19: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-20: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-04 01:37:03,662 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-85: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-84: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-79: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-78: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-121: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-120: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-179: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-180: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:37:03,663 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-186: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-185: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##822: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##821: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760-1: havoc __copy_from_user_#t~switch141; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,664 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,665 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2021-11-04 01:37:03,666 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:03,666 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2021-11-04 01:37:03,666 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,666 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2021-11-04 01:37:03,670 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:03,670 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2021-11-04 01:37:04,133 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,133 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##352: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2021-11-04 01:37:04,134 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##351: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,135 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 01:37:04,135 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-29: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-04 01:37:04,135 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-28: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-04 01:37:04,135 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-04 01:37:04,135 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,135 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2021-11-04 01:37:04,136 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,136 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2021-11-04 01:37:04,136 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:37:04,136 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2021-11-04 01:37:04,136 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:37:04,136 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2021-11-04 01:37:08,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 01:37:08,562 INFO L299 CfgBuilder]: Removed 7538 assume(true) statements. [2021-11-04 01:37:08,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:37:08 BoogieIcfgContainer [2021-11-04 01:37:08,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 01:37:08,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 01:37:08,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 01:37:08,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 01:37:08,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 01:36:57" (1/3) ... [2021-11-04 01:37:08,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799d0511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:37:08, skipping insertion in model container [2021-11-04 01:37:08,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:36:59" (2/3) ... [2021-11-04 01:37:08,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799d0511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:37:08, skipping insertion in model container [2021-11-04 01:37:08,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:37:08" (3/3) ... [2021-11-04 01:37:08,576 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-04 01:37:08,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 01:37:08,580 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2021-11-04 01:37:08,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 01:37:08,635 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 01:37:08,635 INFO L340 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2021-11-04 01:37:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 7743 states, 7619 states have (on average 1.4066150413440084) internal successors, (10717), 7704 states have internal predecessors, (10717), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-04 01:37:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-04 01:37:08,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:37:08,721 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:37:08,722 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:37:08,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:37:08,725 INFO L85 PathProgramCache]: Analyzing trace with hash 54787053, now seen corresponding path program 1 times [2021-11-04 01:37:08,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:37:08,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166174654] [2021-11-04 01:37:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:37:08,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:37:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:37:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:37:09,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:37:09,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166174654] [2021-11-04 01:37:09,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166174654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:37:09,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:37:09,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 01:37:09,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560578048] [2021-11-04 01:37:09,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:37:09,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:37:09,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:37:09,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:37:09,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:37:09,178 INFO L87 Difference]: Start difference. First operand has 7743 states, 7619 states have (on average 1.4066150413440084) internal successors, (10717), 7704 states have internal predecessors, (10717), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:37:13,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:37:30,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:37:37,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:37:50,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:37:53,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:37:59,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:37,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:38:37,945 INFO L93 Difference]: Finished difference Result 23200 states and 32369 transitions. [2021-11-04 01:38:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:38:37,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-04 01:38:37,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:38:38,014 INFO L225 Difference]: With dead ends: 23200 [2021-11-04 01:38:38,014 INFO L226 Difference]: Without dead ends: 15293 [2021-11-04 01:38:38,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.05ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:38:38,049 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 10635 mSDsluCounter, 10646 mSDsCounter, 0 mSdLazyCounter, 21025 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81022.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10639 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 21028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 155.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21025 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86690.90ms IncrementalHoareTripleChecker+Time [2021-11-04 01:38:38,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10639 Valid, 315 Invalid, 21028 Unknown, 0 Unchecked, 155.97ms Time], IncrementalHoareTripleChecker [0 Valid, 21025 Invalid, 3 Unknown, 0 Unchecked, 86690.90ms Time] [2021-11-04 01:38:38,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15293 states. [2021-11-04 01:38:38,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15293 to 7659. [2021-11-04 01:38:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7659 states, 7536 states have (on average 1.3845541401273886) internal successors, (10434), 7620 states have internal predecessors, (10434), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-04 01:38:38,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7659 states to 7659 states and 10496 transitions. [2021-11-04 01:38:38,362 INFO L78 Accepts]: Start accepts. Automaton has 7659 states and 10496 transitions. Word has length 10 [2021-11-04 01:38:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:38:38,362 INFO L470 AbstractCegarLoop]: Abstraction has 7659 states and 10496 transitions. [2021-11-04 01:38:38,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:38:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7659 states and 10496 transitions. [2021-11-04 01:38:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-04 01:38:38,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:38:38,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:38:38,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 01:38:38,364 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:38:38,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:38:38,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1577669200, now seen corresponding path program 1 times [2021-11-04 01:38:38,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:38:38,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365318524] [2021-11-04 01:38:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:38:38,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:38:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:38:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:38:38,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:38:38,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365318524] [2021-11-04 01:38:38,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365318524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:38:38,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:38:38,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:38:38,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594014498] [2021-11-04 01:38:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:38:38,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:38:38,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:38:38,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:38:38,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:38:38,568 INFO L87 Difference]: Start difference. First operand 7659 states and 10496 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:38:39,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:41,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:38:44,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:03,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:09,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:25,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:28,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:34,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:39:47,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:40:18,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:40:18,739 INFO L93 Difference]: Finished difference Result 15253 states and 20918 transitions. [2021-11-04 01:40:18,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:40:18,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-04 01:40:18,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:40:18,803 INFO L225 Difference]: With dead ends: 15253 [2021-11-04 01:40:18,803 INFO L226 Difference]: Without dead ends: 15251 [2021-11-04 01:40:18,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:40:18,813 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10419 mSDsluCounter, 10473 mSDsCounter, 0 mSdLazyCounter, 20846 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91237.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10425 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 20852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 148.62ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20846 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98412.72ms IncrementalHoareTripleChecker+Time [2021-11-04 01:40:18,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10425 Valid, 155 Invalid, 20852 Unknown, 0 Unchecked, 148.62ms Time], IncrementalHoareTripleChecker [1 Valid, 20846 Invalid, 5 Unknown, 0 Unchecked, 98412.72ms Time] [2021-11-04 01:40:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15251 states. [2021-11-04 01:40:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15251 to 14911. [2021-11-04 01:40:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14911 states, 14743 states have (on average 1.3860815302177305) internal successors, (20435), 14835 states have internal predecessors, (20435), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (68), 57 states have call predecessors, (68), 62 states have call successors, (68) [2021-11-04 01:40:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14911 states to 14911 states and 20565 transitions. [2021-11-04 01:40:19,122 INFO L78 Accepts]: Start accepts. Automaton has 14911 states and 20565 transitions. Word has length 10 [2021-11-04 01:40:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:40:19,122 INFO L470 AbstractCegarLoop]: Abstraction has 14911 states and 20565 transitions. [2021-11-04 01:40:19,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:40:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 14911 states and 20565 transitions. [2021-11-04 01:40:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-04 01:40:19,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:40:19,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:40:19,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 01:40:19,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:40:19,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:40:19,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1663080904, now seen corresponding path program 1 times [2021-11-04 01:40:19,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:40:19,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577781590] [2021-11-04 01:40:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:40:19,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:40:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:40:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:40:19,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:40:19,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577781590] [2021-11-04 01:40:19,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577781590] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:40:19,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:40:19,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:40:19,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812480117] [2021-11-04 01:40:19,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:40:19,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:40:19,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:40:19,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:40:19,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:40:19,285 INFO L87 Difference]: Start difference. First operand 14911 states and 20565 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:40:20,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:40:22,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:40:25,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:40:44,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:40:54,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:08,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:15,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:56,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:41:56,298 INFO L93 Difference]: Finished difference Result 17978 states and 24743 transitions. [2021-11-04 01:41:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:41:56,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-04 01:41:56,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:41:56,342 INFO L225 Difference]: With dead ends: 17978 [2021-11-04 01:41:56,342 INFO L226 Difference]: Without dead ends: 17976 [2021-11-04 01:41:56,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:41:56,354 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 9046 mSDsluCounter, 10476 mSDsCounter, 0 mSdLazyCounter, 20849 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87458.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9051 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 20854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.33ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20849 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95303.72ms IncrementalHoareTripleChecker+Time [2021-11-04 01:41:56,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9051 Valid, 155 Invalid, 20854 Unknown, 0 Unchecked, 122.33ms Time], IncrementalHoareTripleChecker [1 Valid, 20849 Invalid, 4 Unknown, 0 Unchecked, 95303.72ms Time] [2021-11-04 01:41:56,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17976 states. [2021-11-04 01:41:56,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17976 to 17639. [2021-11-04 01:41:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17639 states, 17437 states have (on average 1.3888857028158514) internal successors, (24218), 17535 states have internal predecessors, (24218), 82 states have call successors, (82), 42 states have call predecessors, (82), 42 states have return successors, (91), 74 states have call predecessors, (91), 82 states have call successors, (91) [2021-11-04 01:41:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17639 states to 17639 states and 24391 transitions. [2021-11-04 01:41:56,751 INFO L78 Accepts]: Start accepts. Automaton has 17639 states and 24391 transitions. Word has length 11 [2021-11-04 01:41:56,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:41:56,751 INFO L470 AbstractCegarLoop]: Abstraction has 17639 states and 24391 transitions. [2021-11-04 01:41:56,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:41:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 17639 states and 24391 transitions. [2021-11-04 01:41:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-04 01:41:56,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:41:56,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:41:56,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 01:41:56,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:41:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:41:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -15876422, now seen corresponding path program 1 times [2021-11-04 01:41:56,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:41:56,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202295493] [2021-11-04 01:41:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:41:56,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:41:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:41:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:41:56,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:41:56,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202295493] [2021-11-04 01:41:56,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202295493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:41:56,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:41:56,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:41:56,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792896246] [2021-11-04 01:41:56,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:41:56,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:41:56,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:41:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:41:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:41:56,926 INFO L87 Difference]: Start difference. First operand 17639 states and 24391 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:41:58,203 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:41:59,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:03,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:21,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:29,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:32,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:38,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:48,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:51,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:42:57,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:43:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:43:44,148 INFO L93 Difference]: Finished difference Result 18976 states and 26157 transitions. [2021-11-04 01:43:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:43:44,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-04 01:43:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:43:44,186 INFO L225 Difference]: With dead ends: 18976 [2021-11-04 01:43:44,187 INFO L226 Difference]: Without dead ends: 18974 [2021-11-04 01:43:44,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:43:44,196 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10458 mSDsluCounter, 10480 mSDsCounter, 0 mSdLazyCounter, 20852 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95587.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10462 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 20858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 120.45ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20852 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105474.70ms IncrementalHoareTripleChecker+Time [2021-11-04 01:43:44,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10462 Valid, 155 Invalid, 20858 Unknown, 0 Unchecked, 120.45ms Time], IncrementalHoareTripleChecker [1 Valid, 20852 Invalid, 5 Unknown, 0 Unchecked, 105474.70ms Time] [2021-11-04 01:43:44,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18974 states. [2021-11-04 01:43:44,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18974 to 18633. [2021-11-04 01:43:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18633 states, 18431 states have (on average 1.3906461939124302) internal successors, (25631), 18529 states have internal predecessors, (25631), 82 states have call successors, (82), 42 states have call predecessors, (82), 42 states have return successors, (90), 74 states have call predecessors, (90), 82 states have call successors, (90) [2021-11-04 01:43:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18633 states to 18633 states and 25803 transitions. [2021-11-04 01:43:44,516 INFO L78 Accepts]: Start accepts. Automaton has 18633 states and 25803 transitions. Word has length 12 [2021-11-04 01:43:44,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:43:44,516 INFO L470 AbstractCegarLoop]: Abstraction has 18633 states and 25803 transitions. [2021-11-04 01:43:44,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:43:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 18633 states and 25803 transitions. [2021-11-04 01:43:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-04 01:43:44,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:43:44,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:43:44,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 01:43:44,518 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:43:44,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:43:44,518 INFO L85 PathProgramCache]: Analyzing trace with hash -492145022, now seen corresponding path program 1 times [2021-11-04 01:43:44,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:43:44,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660523094] [2021-11-04 01:43:44,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:43:44,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:43:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:43:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:43:44,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:43:44,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660523094] [2021-11-04 01:43:44,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660523094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:43:44,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:43:44,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:43:44,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912881813] [2021-11-04 01:43:44,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:43:44,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:43:44,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:43:44,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:43:44,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:43:44,659 INFO L87 Difference]: Start difference. First operand 18633 states and 25803 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:43:46,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:43:48,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:43:51,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:19,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:26,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:29,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:40,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:44:47,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:00,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:04,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:07,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:12,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:45:34,822 INFO L93 Difference]: Finished difference Result 40167 states and 55625 transitions. [2021-11-04 01:45:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:45:34,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-04 01:45:34,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:45:34,877 INFO L225 Difference]: With dead ends: 40167 [2021-11-04 01:45:34,877 INFO L226 Difference]: Without dead ends: 21536 [2021-11-04 01:45:34,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:45:34,926 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 2676 mSDsluCounter, 9469 mSDsCounter, 0 mSdLazyCounter, 20932 mSolverCounterSat, 116 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99365.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 21057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 130.82ms SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 20932 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108650.74ms IncrementalHoareTripleChecker+Time [2021-11-04 01:45:34,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2676 Valid, 173 Invalid, 21057 Unknown, 0 Unchecked, 130.82ms Time], IncrementalHoareTripleChecker [116 Valid, 20932 Invalid, 9 Unknown, 0 Unchecked, 108650.74ms Time] [2021-11-04 01:45:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21536 states. [2021-11-04 01:45:35,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21536 to 19677. [2021-11-04 01:45:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19677 states, 19399 states have (on average 1.3784731171709883) internal successors, (26741), 19495 states have internal predecessors, (26741), 122 states have call successors, (122), 76 states have call predecessors, (122), 81 states have return successors, (239), 124 states have call predecessors, (239), 122 states have call successors, (239) [2021-11-04 01:45:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19677 states to 19677 states and 27102 transitions. [2021-11-04 01:45:35,310 INFO L78 Accepts]: Start accepts. Automaton has 19677 states and 27102 transitions. Word has length 13 [2021-11-04 01:45:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:45:35,310 INFO L470 AbstractCegarLoop]: Abstraction has 19677 states and 27102 transitions. [2021-11-04 01:45:35,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:45:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 19677 states and 27102 transitions. [2021-11-04 01:45:35,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-04 01:45:35,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:45:35,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:45:35,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 01:45:35,317 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting vhost_net_releaseErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:45:35,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:45:35,317 INFO L85 PathProgramCache]: Analyzing trace with hash 829533720, now seen corresponding path program 1 times [2021-11-04 01:45:35,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:45:35,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856491124] [2021-11-04 01:45:35,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:45:35,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:45:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:45:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:45:35,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:45:35,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856491124] [2021-11-04 01:45:35,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856491124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:45:35,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:45:35,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:45:35,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361559216] [2021-11-04 01:45:35,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:45:35,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:45:35,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:45:35,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:45:35,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:45:35,461 INFO L87 Difference]: Start difference. First operand 19677 states and 27102 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:45:36,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:39,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:45:42,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:08,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:13,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:19,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:22,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:50,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:46:56,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:47:17,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:47:26,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:47:26,670 INFO L93 Difference]: Finished difference Result 46557 states and 63878 transitions. [2021-11-04 01:47:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:47:26,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-04 01:47:26,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:47:26,728 INFO L225 Difference]: With dead ends: 46557 [2021-11-04 01:47:26,728 INFO L226 Difference]: Without dead ends: 26888 [2021-11-04 01:47:26,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:47:26,772 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 4903 mSDsluCounter, 10447 mSDsCounter, 0 mSdLazyCounter, 21096 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98962.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4913 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 21108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 117.40ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21096 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109534.09ms IncrementalHoareTripleChecker+Time [2021-11-04 01:47:26,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4913 Valid, 134 Invalid, 21108 Unknown, 0 Unchecked, 117.40ms Time], IncrementalHoareTripleChecker [4 Valid, 21096 Invalid, 8 Unknown, 0 Unchecked, 109534.09ms Time] [2021-11-04 01:47:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26888 states. [2021-11-04 01:47:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26888 to 23133. [2021-11-04 01:47:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 22851 states have (on average 1.3683427421119425) internal successors, (31268), 22947 states have internal predecessors, (31268), 126 states have call successors, (126), 76 states have call predecessors, (126), 81 states have return successors, (247), 128 states have call predecessors, (247), 126 states have call successors, (247) [2021-11-04 01:47:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 31641 transitions. [2021-11-04 01:47:27,174 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 31641 transitions. Word has length 27 [2021-11-04 01:47:27,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:47:27,174 INFO L470 AbstractCegarLoop]: Abstraction has 23133 states and 31641 transitions. [2021-11-04 01:47:27,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:47:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 31641 transitions. [2021-11-04 01:47:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-04 01:47:27,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:47:27,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:47:27,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 01:47:27,176 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:47:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:47:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash -213216420, now seen corresponding path program 1 times [2021-11-04 01:47:27,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:47:27,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056775951] [2021-11-04 01:47:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:47:27,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:47:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:47:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:47:27,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 01:47:27,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056775951] [2021-11-04 01:47:27,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056775951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 01:47:27,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:47:27,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 01:47:27,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780177051] [2021-11-04 01:47:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 01:47:27,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:47:27,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 01:47:27,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:47:27,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:47:27,334 INFO L87 Difference]: Start difference. First operand 23133 states and 31641 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:47:28,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:47:31,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:47:34,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:47:53,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:01,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:10,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:13,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:36,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:39,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:47,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:48:53,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:49:18,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 01:49:18,285 INFO L93 Difference]: Finished difference Result 46432 states and 63448 transitions. [2021-11-04 01:49:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 01:49:18,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-04 01:49:18,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 01:49:18,336 INFO L225 Difference]: With dead ends: 46432 [2021-11-04 01:49:18,336 INFO L226 Difference]: Without dead ends: 23307 [2021-11-04 01:49:18,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:49:18,386 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 9947 mSDsCounter, 0 mSdLazyCounter, 20462 mSolverCounterSat, 306 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98578.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 20778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 107.88ms SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 20462 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109576.31ms IncrementalHoareTripleChecker+Time [2021-11-04 01:49:18,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 20778 Unknown, 0 Unchecked, 107.88ms Time], IncrementalHoareTripleChecker [306 Valid, 20462 Invalid, 10 Unknown, 0 Unchecked, 109576.31ms Time] [2021-11-04 01:49:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23307 states. [2021-11-04 01:49:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23307 to 23133. [2021-11-04 01:49:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 22851 states have (on average 1.3454991028839) internal successors, (30746), 22947 states have internal predecessors, (30746), 126 states have call successors, (126), 76 states have call predecessors, (126), 81 states have return successors, (247), 128 states have call predecessors, (247), 126 states have call successors, (247) [2021-11-04 01:49:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 31119 transitions. [2021-11-04 01:49:18,785 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 31119 transitions. Word has length 32 [2021-11-04 01:49:18,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 01:49:18,785 INFO L470 AbstractCegarLoop]: Abstraction has 23133 states and 31119 transitions. [2021-11-04 01:49:18,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:49:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 31119 transitions. [2021-11-04 01:49:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-04 01:49:18,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:49:18,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:49:18,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 01:49:18,787 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:49:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:49:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -142527228, now seen corresponding path program 1 times [2021-11-04 01:49:18,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 01:49:18,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552757488] [2021-11-04 01:49:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:49:18,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 01:49:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-04 01:49:19,873 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-04 01:49:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-04 01:49:20,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-04 01:49:20,761 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-04 01:49:20,762 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (77 of 78 remaining) [2021-11-04 01:49:20,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (76 of 78 remaining) [2021-11-04 01:49:20,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION (75 of 78 remaining) [2021-11-04 01:49:20,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (74 of 78 remaining) [2021-11-04 01:49:20,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION (73 of 78 remaining) [2021-11-04 01:49:20,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr0ASSERT_VIOLATIONERROR_FUNCTION (72 of 78 remaining) [2021-11-04 01:49:20,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr1ASSERT_VIOLATIONERROR_FUNCTION (71 of 78 remaining) [2021-11-04 01:49:20,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr2ASSERT_VIOLATIONERROR_FUNCTION (70 of 78 remaining) [2021-11-04 01:49:20,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr3ASSERT_VIOLATIONERROR_FUNCTION (69 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION (68 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr1ASSERT_VIOLATIONERROR_FUNCTION (67 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr2ASSERT_VIOLATIONERROR_FUNCTION (66 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr3ASSERT_VIOLATIONERROR_FUNCTION (65 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (64 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (63 of 78 remaining) [2021-11-04 01:49:20,765 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (62 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (61 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (60 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (59 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (58 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (57 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (56 of 78 remaining) [2021-11-04 01:49:20,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (55 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (54 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (53 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (52 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (51 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (50 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (49 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (48 of 78 remaining) [2021-11-04 01:49:20,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (47 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (46 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (45 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (44 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (43 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (42 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (41 of 78 remaining) [2021-11-04 01:49:20,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (40 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (39 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (38 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (37 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (36 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (35 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (34 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (33 of 78 remaining) [2021-11-04 01:49:20,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (32 of 78 remaining) [2021-11-04 01:49:20,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (31 of 78 remaining) [2021-11-04 01:49:20,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (30 of 78 remaining) [2021-11-04 01:49:20,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (29 of 78 remaining) [2021-11-04 01:49:20,770 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (28 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (27 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (26 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (25 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (24 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (23 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (22 of 78 remaining) [2021-11-04 01:49:20,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (21 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (20 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (19 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (18 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (17 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (16 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (15 of 78 remaining) [2021-11-04 01:49:20,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (14 of 78 remaining) [2021-11-04 01:49:20,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (13 of 78 remaining) [2021-11-04 01:49:20,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (12 of 78 remaining) [2021-11-04 01:49:20,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (11 of 78 remaining) [2021-11-04 01:49:20,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (10 of 78 remaining) [2021-11-04 01:49:20,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (9 of 78 remaining) [2021-11-04 01:49:20,773 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (8 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (7 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (6 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (5 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (4 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (3 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (2 of 78 remaining) [2021-11-04 01:49:20,774 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (1 of 78 remaining) [2021-11-04 01:49:20,775 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (0 of 78 remaining) [2021-11-04 01:49:20,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 01:49:20,777 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:49:20,780 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-04 01:49:21,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.11 01:49:21 BoogieIcfgContainer [2021-11-04 01:49:21,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-04 01:49:21,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-04 01:49:21,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-04 01:49:21,081 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-04 01:49:21,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:37:08" (3/4) ... [2021-11-04 01:49:21,083 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-04 01:49:21,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-04 01:49:21,084 INFO L158 Benchmark]: Toolchain (without parser) took 743705.19ms. Allocated memory was 88.1MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 41.5MB in the beginning and 4.8GB in the end (delta: -4.8GB). Peak memory consumption was 410.3MB. Max. memory is 16.1GB. [2021-11-04 01:49:21,084 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-04 01:49:21,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2199.91ms. Allocated memory was 88.1MB in the beginning and 174.1MB in the end (delta: 86.0MB). Free memory was 41.3MB in the beginning and 91.3MB in the end (delta: -50.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2021-11-04 01:49:21,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 705.30ms. Allocated memory was 174.1MB in the beginning and 266.3MB in the end (delta: 92.3MB). Free memory was 90.4MB in the beginning and 106.4MB in the end (delta: -16.0MB). Peak memory consumption was 123.3MB. Max. memory is 16.1GB. [2021-11-04 01:49:21,087 INFO L158 Benchmark]: Boogie Preprocessor took 1101.01ms. Allocated memory was 266.3MB in the beginning and 532.7MB in the end (delta: 266.3MB). Free memory was 106.4MB in the beginning and 301.5MB in the end (delta: -195.1MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2021-11-04 01:49:21,087 INFO L158 Benchmark]: RCFGBuilder took 7179.45ms. Allocated memory was 532.7MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 301.3MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 860.6MB. Max. memory is 16.1GB. [2021-11-04 01:49:21,087 INFO L158 Benchmark]: TraceAbstraction took 732509.50ms. Allocated memory was 2.7GB in the beginning and 5.3GB in the end (delta: 2.6GB). Free memory was 1.7GB in the beginning and 4.8GB in the end (delta: -3.1GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2021-11-04 01:49:21,087 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 5.3GB. Free memory is still 4.8GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-04 01:49:21,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2199.91ms. Allocated memory was 88.1MB in the beginning and 174.1MB in the end (delta: 86.0MB). Free memory was 41.3MB in the beginning and 91.3MB in the end (delta: -50.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 705.30ms. Allocated memory was 174.1MB in the beginning and 266.3MB in the end (delta: 92.3MB). Free memory was 90.4MB in the beginning and 106.4MB in the end (delta: -16.0MB). Peak memory consumption was 123.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1101.01ms. Allocated memory was 266.3MB in the beginning and 532.7MB in the end (delta: 266.3MB). Free memory was 106.4MB in the beginning and 301.5MB in the end (delta: -195.1MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7179.45ms. Allocated memory was 532.7MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 301.3MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 860.6MB. Max. memory is 16.1GB. * TraceAbstraction took 732509.50ms. Allocated memory was 2.7GB in the beginning and 5.3GB in the end (delta: 2.6GB). Free memory was 1.7GB in the beginning and 4.8GB in the end (delta: -3.1GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 5.3GB. Free memory is still 4.8GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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. 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 ; VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [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 [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10598] int tmp ; VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L11595] return __VERIFIER_nondet_int(); [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, 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: [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L5302] return (pfo_ret__); VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6413] EXPR (unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [__this_module={18446744073709551617:18446744073709551621}, 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={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 7743 locations, 78 error locations. Started 1 CEGAR loops. OverallTime: 732150.74ms, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 29.72ms, AutomataDifference: 726144.47ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 65.25ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 44 mSolverCounterUnknown, 48166 SdHoareTripleChecker+Valid, 713643.18ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48137 mSDsluCounter, 1211 SdHoareTripleChecker+Invalid, 652211.47ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71938 mSDsCounter, 429 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146062 IncrementalHoareTripleChecker+Invalid, 146535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 429 mSolverCounterUnsat, 691 mSDtfsCounter, 146062 mSolverCounterSat, 903.47ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 88.83ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=23133occurred in iteration=6, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 2503.57ms AutomataMinimizationTime, 7 MinimizatonAttempts, 14440 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 83.78ms SsaConstructionTime, 1499.62ms SatisfiabilityAnalysisTime, 626.13ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-04 01:49:21,321 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-04 01:49:21,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 01:49:23,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 01:49:23,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 01:49:23,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 01:49:23,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 01:49:23,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 01:49:23,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 01:49:23,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 01:49:23,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 01:49:23,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 01:49:23,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 01:49:23,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 01:49:23,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 01:49:23,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 01:49:23,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 01:49:23,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 01:49:23,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 01:49:23,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 01:49:23,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 01:49:23,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 01:49:23,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 01:49:23,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 01:49:23,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 01:49:23,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 01:49:23,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 01:49:23,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 01:49:23,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 01:49:23,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 01:49:23,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 01:49:23,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 01:49:23,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 01:49:23,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 01:49:23,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 01:49:23,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 01:49:23,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 01:49:23,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 01:49:23,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 01:49:23,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 01:49:23,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 01:49:23,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 01:49:23,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 01:49:23,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-04 01:49:23,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 01:49:23,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 01:49:23,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 01:49:23,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 01:49:23,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 01:49:23,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 01:49:23,219 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 01:49:23,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 01:49:23,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 01:49:23,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 01:49:23,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 01:49:23,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 01:49:23,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-04 01:49:23,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-04 01:49:23,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 01:49:23,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 01:49:23,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 01:49:23,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 01:49:23,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 01:49:23,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 01:49:23,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:49:23,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 01:49:23,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 01:49:23,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 01:49:23,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-04 01:49:23,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-04 01:49:23,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 01:49:23,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 01:49:23,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 01:49:23,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 01:49:23,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-04 01:49:23,223 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-11-04 01:49:23,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 01:49:23,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 01:49:23,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 01:49:23,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 01:49:23,508 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 01:49:23,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-04 01:49:23,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c59804f/f5b7dfe158d74d6c8642eded9061df88/FLAGe62e7451b [2021-11-04 01:49:24,237 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 01:49:24,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-04 01:49:24,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c59804f/f5b7dfe158d74d6c8642eded9061df88/FLAGe62e7451b [2021-11-04 01:49:24,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c59804f/f5b7dfe158d74d6c8642eded9061df88 [2021-11-04 01:49:24,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 01:49:24,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 01:49:24,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 01:49:24,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 01:49:24,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 01:49:24,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:49:24" (1/1) ... [2021-11-04 01:49:24,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb68bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:24, skipping insertion in model container [2021-11-04 01:49:24,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:49:24" (1/1) ... [2021-11-04 01:49:24,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 01:49:24,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 01:49:26,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-04 01:49:26,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:49:26,339 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 01:49:26,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-04 01:49:26,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:49:26,800 INFO L208 MainTranslator]: Completed translation [2021-11-04 01:49:26,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26 WrapperNode [2021-11-04 01:49:26,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 01:49:26,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 01:49:26,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 01:49:26,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 01:49:26,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:26,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:27,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 01:49:27,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 01:49:27,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 01:49:27,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 01:49:27,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:27,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:27,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:27,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:28,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:28,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:28,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:28,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 01:49:28,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 01:49:28,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 01:49:28,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 01:49:28,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (1/1) ... [2021-11-04 01:49:28,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:49:28,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 01:49:28,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 01:49:28,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 01:49:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-11-04 01:49:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-11-04 01:49:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-04 01:49:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-04 01:49:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-04 01:49:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-04 01:49:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-04 01:49:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 01:49:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-04 01:49:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 01:49:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-11-04 01:49:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-11-04 01:49:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-04 01:49:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-11-04 01:49:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-04 01:49:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 01:49:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-11-04 01:49:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-11-04 01:49:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-04 01:49:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-04 01:49:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-04 01:49:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-04 01:49:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-11-04 01:49:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-11-04 01:49:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-04 01:49:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-04 01:49:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-04 01:49:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-04 01:49:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-04 01:49:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-04 01:49:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 01:49:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 01:49:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 01:49:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-04 01:49:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-04 01:49:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 01:49:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 01:49:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-04 01:49:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-04 01:49:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 01:49:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 01:49:30,966 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,966 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,967 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume !__copy_from_user_#t~switch141; [2021-11-04 01:49:30,968 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1219: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-2: havoc __copy_to_user_#t~switch146; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-3: havoc __copy_to_user_#t~switch146; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-1: havoc __copy_to_user_#t~switch146; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,969 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,974 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,975 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:30,976 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume !__copy_to_user_#t~switch146; [2021-11-04 01:49:30,977 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:30,977 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume !__copy_to_user_#t~switch146; [2021-11-04 01:49:30,977 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:30,977 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume !__copy_to_user_#t~switch146; [2021-11-04 01:49:30,977 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,977 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,978 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,978 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,978 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1811: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,978 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1812: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,978 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,978 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-3: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-7: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-5: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-11: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-9: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-19: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-20: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-04 01:49:30,979 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-85: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-84: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-79: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-78: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-121: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-120: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-179: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-180: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:49:30,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-186: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-185: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##822: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##821: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760-1: havoc __copy_from_user_#t~switch141; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2021-11-04 01:49:30,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:30,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2021-11-04 01:49:31,468 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,468 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,470 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:31,470 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-04 01:49:31,470 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,471 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,471 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-04 01:49:31,471 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-04 01:49:31,471 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2021-11-04 01:49:31,471 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,471 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-29: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-30: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2021-11-04 01:49:31,472 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-04 01:49:31,473 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2021-11-04 01:49:31,473 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 01:49:31,473 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2021-11-04 01:49:38,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 01:49:38,398 INFO L299 CfgBuilder]: Removed 8232 assume(true) statements. [2021-11-04 01:49:38,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:49:38 BoogieIcfgContainer [2021-11-04 01:49:38,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 01:49:38,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 01:49:38,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 01:49:38,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 01:49:38,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 01:49:24" (1/3) ... [2021-11-04 01:49:38,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599b9f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:49:38, skipping insertion in model container [2021-11-04 01:49:38,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:49:26" (2/3) ... [2021-11-04 01:49:38,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599b9f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:49:38, skipping insertion in model container [2021-11-04 01:49:38,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:49:38" (3/3) ... [2021-11-04 01:49:38,414 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-04 01:49:38,418 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 01:49:38,418 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2021-11-04 01:49:38,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 01:49:38,480 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 01:49:38,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2021-11-04 01:49:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 8404 states, 8302 states have (on average 1.4053240183088413) internal successors, (11667), 8384 states have internal predecessors, (11667), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-04 01:49:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-04 01:49:38,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 01:49:38,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 01:49:38,567 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-04 01:49:38,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 01:49:38,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1935377389, now seen corresponding path program 1 times [2021-11-04 01:49:38,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-04 01:49:38,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102798437] [2021-11-04 01:49:38,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 01:49:38,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-04 01:49:38,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-04 01:49:38,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-04 01:49:38,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-04 01:49:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 01:49:41,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-04 01:49:41,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 01:49:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:49:41,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-04 01:49:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 01:49:41,218 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-04 01:49:41,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102798437] [2021-11-04 01:49:41,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102798437] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-04 01:49:41,219 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-04 01:49:41,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-04 01:49:41,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734430782] [2021-11-04 01:49:41,221 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-04 01:49:41,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 01:49:41,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-04 01:49:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 01:49:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 01:49:41,253 INFO L87 Difference]: Start difference. First operand has 8404 states, 8302 states have (on average 1.4053240183088413) internal successors, (11667), 8384 states have internal predecessors, (11667), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 01:49:43,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:49:47,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:49:51,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:50:00,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:50:03,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:50:17,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 01:50:35,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15