/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:28:57,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:28:57,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:28:57,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:28:57,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:28:57,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:28:57,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:28:57,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:28:57,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:28:57,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:28:57,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:28:57,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:28:57,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:28:57,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:28:57,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:28:57,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:28:57,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:28:57,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:28:57,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:28:57,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:28:57,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:28:57,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:28:57,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:28:57,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:28:57,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:28:57,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:28:57,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:28:57,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:28:57,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:28:57,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:28:57,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:28:57,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:28:57,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:28:57,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:28:57,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:28:57,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:28:57,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:28:57,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:28:57,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:28:57,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:28:57,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:28:57,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:28:57,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:28:57,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:28:57,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:28:57,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:28:57,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:28:57,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:28:57,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:28:57,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:28:57,510 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:28:57,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:28:57,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:28:57,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:28:57,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:28:57,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:28:57,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:28:57,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:28:57,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:28:57,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:28:57,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:28:57,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:28:57,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:28:57,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:28:57,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:28:57,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:28:57,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:28:57,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:28:57,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:28:57,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:28:57,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:28:57,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:28:57,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:28:57,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:28:57,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:28:57,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:28:57,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:28:57,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:28:57,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:28:57,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:28:57,899 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:28:57,900 INFO L432 ainManager$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 [2022-10-16 13:28:57,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46fd15c8/9e7e9ef24d1a445d94a4048e46ef95f6/FLAGe2a63d182 [2022-10-16 13:28:59,088 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:28:59,088 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 [2022-10-16 13:28:59,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46fd15c8/9e7e9ef24d1a445d94a4048e46ef95f6/FLAGe2a63d182 [2022-10-16 13:28:59,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d46fd15c8/9e7e9ef24d1a445d94a4048e46ef95f6 [2022-10-16 13:28:59,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:28:59,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:28:59,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:28:59,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:28:59,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:28:59,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:28:59" (1/1) ... [2022-10-16 13:28:59,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9b9c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:28:59, skipping insertion in model container [2022-10-16 13:28:59,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:28:59" (1/1) ... [2022-10-16 13:28:59,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:28:59,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:29:01,924 WARN L230 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] [2022-10-16 13:29:02,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:29:02,082 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:29:02,650 WARN L230 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] [2022-10-16 13:29:02,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:29:02,794 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:29:02,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02 WrapperNode [2022-10-16 13:29:02,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:29:02,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:29:02,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:29:02,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:29:02,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:02,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,167 INFO L138 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6747 [2022-10-16 13:29:03,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:29:03,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:29:03,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:29:03,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:29:03,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:29:03,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:29:03,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:29:03,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:29:03,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (1/1) ... [2022-10-16 13:29:03,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:29:03,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:29:03,711 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) [2022-10-16 13:29:03,736 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 [2022-10-16 13:29:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-10-16 13:29:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-10-16 13:29:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-10-16 13:29:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-10-16 13:29:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-10-16 13:29:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-10-16 13:29:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-10-16 13:29:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-10-16 13:29:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-16 13:29:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-16 13:29:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-10-16 13:29:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-10-16 13:29:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:29:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-10-16 13:29:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-10-16 13:29:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:29:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-16 13:29:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-16 13:29:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-10-16 13:29:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-10-16 13:29:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-10-16 13:29:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-10-16 13:29:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-10-16 13:29:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-10-16 13:29:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-16 13:29:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-16 13:29:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-16 13:29:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-16 13:29:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 13:29:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 13:29:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-10-16 13:29:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-10-16 13:29:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:29:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:29:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-10-16 13:29:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-10-16 13:29:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 13:29:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 13:29:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:29:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:29:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-10-16 13:29:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 13:29:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 13:29:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-10-16 13:29:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-10-16 13:29:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-10-16 13:29:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-10-16 13:29:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-10-16 13:29:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-10-16 13:29:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-10-16 13:29:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-10-16 13:29:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-10-16 13:29:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-10-16 13:29:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-10-16 13:29:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-10-16 13:29:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 13:29:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 13:29:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:29:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:29:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-16 13:29:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-16 13:29:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-10-16 13:29:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-10-16 13:29:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-10-16 13:29:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-10-16 13:29:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:29:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:29:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:29:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-10-16 13:29:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-10-16 13:29:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-10-16 13:29:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-10-16 13:29:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:29:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:29:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:29:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-10-16 13:29:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-10-16 13:29:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-10-16 13:29:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-10-16 13:29:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:29:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:29:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-10-16 13:29:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-10-16 13:29:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-10-16 13:29:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-10-16 13:29:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 13:29:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 13:29:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-10-16 13:29:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-10-16 13:29:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-10-16 13:29:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-10-16 13:29:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 13:29:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 13:29:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 13:29:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 13:29:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 13:29:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 13:29:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-16 13:29:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-16 13:29:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 13:29:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 13:29:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-10-16 13:29:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-10-16 13:29:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-10-16 13:29:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-10-16 13:29:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-10-16 13:29:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-10-16 13:29:03,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 13:29:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 13:29:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-16 13:29:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-16 13:29:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:29:03,822 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 13:29:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 13:29:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-10-16 13:29:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-10-16 13:29:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 13:29:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 13:29:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:29:03,823 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-10-16 13:29:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-10-16 13:29:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:29:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-10-16 13:29:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-10-16 13:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-10-16 13:29:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-10-16 13:29:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-10-16 13:29:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-10-16 13:29:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-16 13:29:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-16 13:29:03,836 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:29:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:29:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-10-16 13:29:03,837 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-10-16 13:29:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-10-16 13:29:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:29:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 13:29:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 13:29:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-10-16 13:29:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-10-16 13:29:03,838 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-10-16 13:29:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-10-16 13:29:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-10-16 13:29:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-10-16 13:29:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-10-16 13:29:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-10-16 13:29:03,839 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-10-16 13:29:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-10-16 13:29:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-10-16 13:29:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-10-16 13:29:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-10-16 13:29:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-10-16 13:29:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 13:29:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 13:29:03,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 13:29:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 13:29:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:29:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:29:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-10-16 13:29:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-10-16 13:29:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-10-16 13:29:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-10-16 13:29:03,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:29:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-10-16 13:29:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-10-16 13:29:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 13:29:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 13:29:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-10-16 13:29:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-10-16 13:29:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:29:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-10-16 13:29:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-10-16 13:29:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-10-16 13:29:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-10-16 13:29:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-10-16 13:29:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-10-16 13:29:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:29:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-16 13:29:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-16 13:29:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:29:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-16 13:29:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-16 13:29:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:29:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:29:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-10-16 13:29:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-10-16 13:29:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 13:29:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 13:29:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-16 13:29:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-16 13:29:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-10-16 13:29:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-10-16 13:29:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 13:29:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 13:29:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-10-16 13:29:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-10-16 13:29:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 13:29:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 13:29:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-10-16 13:29:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-10-16 13:29:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-16 13:29:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-16 13:29:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:29:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 13:29:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-10-16 13:29:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-10-16 13:29:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-10-16 13:29:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-10-16 13:29:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-10-16 13:29:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-10-16 13:29:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-10-16 13:29:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-10-16 13:29:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-10-16 13:29:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-10-16 13:29:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:29:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:29:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-10-16 13:29:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-10-16 13:29:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-16 13:29:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-16 13:29:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:29:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:29:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-10-16 13:29:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-10-16 13:29:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:29:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-10-16 13:29:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-10-16 13:29:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-10-16 13:29:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-10-16 13:29:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 13:29:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-16 13:29:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:29:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:29:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:29:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:29:04,841 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:29:04,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:29:09,614 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:29:09,614 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -2147483648 <= __copy_to_user_#t~ret139#1 && __copy_to_user_#t~ret139#1 <= 2147483647;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-10-16 13:29:09,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16 == __copy_to_user_~size#1; [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8 == __copy_to_user_~size#1; [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~4#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4#1 % 4294967296 % 4294967296 else __copy_to_user_~tmp___2~4#1 % 4294967296 % 4294967296 - 4294967296); [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2 == __copy_to_user_~size#1; [2022-10-16 13:29:09,616 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -2147483648 <= __copy_to_user_#t~ret138#1 && __copy_to_user_#t~ret138#1 <= 2147483647;__copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10 == __copy_to_user_~size#1; [2022-10-16 13:29:09,618 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-16 13:29:09,618 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4 == __copy_to_user_~size#1; [2022-10-16 13:29:11,827 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -2147483648 <= __copy_from_user_#t~ret133#1 && __copy_from_user_#t~ret133#1 <= 2147483647;__copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-10-16 13:29:11,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -2147483648 <= __copy_from_user_#t~ret134#1 && __copy_from_user_#t~ret134#1 <= 2147483647;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4 == __copy_from_user_~size#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8 == __copy_from_user_~size#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2 == __copy_from_user_~size#1; [2022-10-16 13:29:11,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-10-16 13:29:11,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-10-16 13:29:11,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 4294967296 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 4294967296 % 4294967296 - 4294967296); [2022-10-16 13:29:11,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-10-16 13:29:11,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-16 13:29:11,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10 == __copy_from_user_~size#1; [2022-10-16 13:29:11,831 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-10-16 13:29:11,831 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16 == __copy_from_user_~size#1; [2022-10-16 13:29:13,053 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:29:13,076 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:29:13,076 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:29:13,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:29:13 BoogieIcfgContainer [2022-10-16 13:29:13,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:29:13,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:29:13,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:29:13,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:29:13,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:28:59" (1/3) ... [2022-10-16 13:29:13,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baf3ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:29:13, skipping insertion in model container [2022-10-16 13:29:13,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:29:02" (2/3) ... [2022-10-16 13:29:13,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baf3ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:29:13, skipping insertion in model container [2022-10-16 13:29:13,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:29:13" (3/3) ... [2022-10-16 13:29:13,093 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-10-16 13:29:13,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:29:13,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2022-10-16 13:29:13,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:29:13,315 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@241954d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:29:13,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2022-10-16 13:29:13,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 2440 states, 1654 states have (on average 1.3863361547762998) internal successors, (2293), 1797 states have internal predecessors, (2293), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) [2022-10-16 13:29:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 13:29:13,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:29:13,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:29:13,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vhost_add_used_and_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vhost_add_used_and_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 96 more)] === [2022-10-16 13:29:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:29:13,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1229873136, now seen corresponding path program 1 times [2022-10-16 13:29:13,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:29:13,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772776882] [2022-10-16 13:29:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:29:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:29:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:29:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:29:13,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:29:13,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772776882] [2022-10-16 13:29:13,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772776882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:29:13,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:29:13,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:29:13,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763559428] [2022-10-16 13:29:13,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:29:13,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:29:13,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:29:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:29:13,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:29:13,989 INFO L87 Difference]: Start difference. First operand has 2440 states, 1654 states have (on average 1.3863361547762998) internal successors, (2293), 1797 states have internal predecessors, (2293), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:29:14,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:29:14,340 INFO L93 Difference]: Finished difference Result 4845 states and 6998 transitions. [2022-10-16 13:29:14,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:29:14,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-10-16 13:29:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:29:14,383 INFO L225 Difference]: With dead ends: 4845 [2022-10-16 13:29:14,383 INFO L226 Difference]: Without dead ends: 2387 [2022-10-16 13:29:14,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:29:14,411 INFO L413 NwaCegarLoop]: 3407 mSDtfsCounter, 3403 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3403 SdHoareTripleChecker+Valid, 3407 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:29:14,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3403 Valid, 3407 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:29:14,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2022-10-16 13:29:14,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2022-10-16 13:29:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1630 states have (on average 1.3668711656441719) internal successors, (2228), 1746 states have internal predecessors, (2228), 572 states have call successors, (572), 107 states have call predecessors, (572), 107 states have return successors, (572), 567 states have call predecessors, (572), 572 states have call successors, (572) [2022-10-16 13:29:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3372 transitions. [2022-10-16 13:29:14,684 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3372 transitions. Word has length 9 [2022-10-16 13:29:14,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:29:14,686 INFO L495 AbstractCegarLoop]: Abstraction has 2387 states and 3372 transitions. [2022-10-16 13:29:14,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:29:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3372 transitions. [2022-10-16 13:29:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 13:29:14,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:29:14,692 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1] [2022-10-16 13:29:14,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:29:14,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vhost_add_used_and_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vhost_add_used_and_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 96 more)] === [2022-10-16 13:29:14,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:29:14,693 INFO L85 PathProgramCache]: Analyzing trace with hash -598848466, now seen corresponding path program 1 times [2022-10-16 13:29:14,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:29:14,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381339376] [2022-10-16 13:29:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:29:14,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:29:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:29:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:29:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:29:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:29:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:29:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 13:29:14,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:29:14,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381339376] [2022-10-16 13:29:15,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381339376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:29:15,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:29:15,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:29:15,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808345531] [2022-10-16 13:29:15,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:29:15,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:29:15,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:29:15,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:29:15,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:29:15,003 INFO L87 Difference]: Start difference. First operand 2387 states and 3372 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:29:17,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:29:23,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:29:23,018 INFO L93 Difference]: Finished difference Result 4999 states and 7113 transitions. [2022-10-16 13:29:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:29:23,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-10-16 13:29:23,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:29:23,044 INFO L225 Difference]: With dead ends: 4999 [2022-10-16 13:29:23,045 INFO L226 Difference]: Without dead ends: 2622 [2022-10-16 13:29:23,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:29:23,059 INFO L413 NwaCegarLoop]: 3235 mSDtfsCounter, 1129 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 1342 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 3405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:29:23,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 7337 Invalid, 3405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1342 Valid, 2062 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-10-16 13:29:23,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2022-10-16 13:29:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2405. [2022-10-16 13:29:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 1646 states have (on average 1.365127582017011) internal successors, (2247), 1760 states have internal predecessors, (2247), 576 states have call successors, (576), 107 states have call predecessors, (576), 107 states have return successors, (576), 571 states have call predecessors, (576), 576 states have call successors, (576) [2022-10-16 13:29:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3399 transitions. [2022-10-16 13:29:23,241 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3399 transitions. Word has length 41 [2022-10-16 13:29:23,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:29:23,242 INFO L495 AbstractCegarLoop]: Abstraction has 2405 states and 3399 transitions. [2022-10-16 13:29:23,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:29:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3399 transitions. [2022-10-16 13:29:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 13:29:23,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:29:23,249 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 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] [2022-10-16 13:29:23,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:29:23,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vhost_add_used_and_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vhost_add_used_and_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 96 more)] === [2022-10-16 13:29:23,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:29:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1510564643, now seen corresponding path program 1 times [2022-10-16 13:29:23,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:29:23,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721789154] [2022-10-16 13:29:23,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:29:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:29:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 13:29:23,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 13:29:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 13:29:23,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 13:29:23,920 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 13:29:23,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 98 remaining) [2022-10-16 13:29:23,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 98 remaining) [2022-10-16 13:29:23,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 98 remaining) [2022-10-16 13:29:23,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 98 remaining) [2022-10-16 13:29:23,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 98 remaining) [2022-10-16 13:29:23,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 98 remaining) [2022-10-16 13:29:23,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 98 remaining) [2022-10-16 13:29:23,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 98 remaining) [2022-10-16 13:29:23,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 98 remaining) [2022-10-16 13:29:23,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 98 remaining) [2022-10-16 13:29:23,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 98 remaining) [2022-10-16 13:29:23,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 98 remaining) [2022-10-16 13:29:23,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 98 remaining) [2022-10-16 13:29:23,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 98 remaining) [2022-10-16 13:29:23,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 98 remaining) [2022-10-16 13:29:23,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 98 remaining) [2022-10-16 13:29:23,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 98 remaining) [2022-10-16 13:29:23,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 98 remaining) [2022-10-16 13:29:23,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 98 remaining) [2022-10-16 13:29:23,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 98 remaining) [2022-10-16 13:29:23,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 98 remaining) [2022-10-16 13:29:23,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 98 remaining) [2022-10-16 13:29:23,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 98 remaining) [2022-10-16 13:29:23,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 98 remaining) [2022-10-16 13:29:23,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 98 remaining) [2022-10-16 13:29:23,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 98 remaining) [2022-10-16 13:29:23,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 98 remaining) [2022-10-16 13:29:23,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 98 remaining) [2022-10-16 13:29:23,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_unlockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 98 remaining) [2022-10-16 13:29:23,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_unlockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 98 remaining) [2022-10-16 13:29:23,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 98 remaining) [2022-10-16 13:29:23,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 98 remaining) [2022-10-16 13:29:23,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 98 remaining) [2022-10-16 13:29:23,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 98 remaining) [2022-10-16 13:29:23,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 98 remaining) [2022-10-16 13:29:23,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 98 remaining) [2022-10-16 13:29:23,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 98 remaining) [2022-10-16 13:29:23,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 98 remaining) [2022-10-16 13:29:23,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 98 remaining) [2022-10-16 13:29:23,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 98 remaining) [2022-10-16 13:29:23,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 98 remaining) [2022-10-16 13:29:23,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 98 remaining) [2022-10-16 13:29:23,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 98 remaining) [2022-10-16 13:29:23,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 98 remaining) [2022-10-16 13:29:23,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 98 remaining) [2022-10-16 13:29:23,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 98 remaining) [2022-10-16 13:29:23,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 98 remaining) [2022-10-16 13:29:23,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 98 remaining) [2022-10-16 13:29:23,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 98 remaining) [2022-10-16 13:29:23,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 98 remaining) [2022-10-16 13:29:23,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 98 remaining) [2022-10-16 13:29:23,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 98 remaining) [2022-10-16 13:29:23,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 98 remaining) [2022-10-16 13:29:23,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 98 remaining) [2022-10-16 13:29:23,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 98 remaining) [2022-10-16 13:29:23,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 98 remaining) [2022-10-16 13:29:23,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 98 remaining) [2022-10-16 13:29:23,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 98 remaining) [2022-10-16 13:29:23,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 98 remaining) [2022-10-16 13:29:23,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 98 remaining) [2022-10-16 13:29:23,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 98 remaining) [2022-10-16 13:29:23,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 98 remaining) [2022-10-16 13:29:23,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 98 remaining) [2022-10-16 13:29:23,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 98 remaining) [2022-10-16 13:29:23,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 98 remaining) [2022-10-16 13:29:23,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 98 remaining) [2022-10-16 13:29:23,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 98 remaining) [2022-10-16 13:29:23,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 98 remaining) [2022-10-16 13:29:23,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_enable_notifyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 98 remaining) [2022-10-16 13:29:23,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_enable_notifyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 98 remaining) [2022-10-16 13:29:23,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 98 remaining) [2022-10-16 13:29:23,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 98 remaining) [2022-10-16 13:29:23,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vq_memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 98 remaining) [2022-10-16 13:29:23,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vq_memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 98 remaining) [2022-10-16 13:29:23,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location move_iovec_hdrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 98 remaining) [2022-10-16 13:29:23,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location move_iovec_hdrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 98 remaining) [2022-10-16 13:29:23,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 98 remaining) [2022-10-16 13:29:23,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 98 remaining) [2022-10-16 13:29:23,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 98 remaining) [2022-10-16 13:29:23,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 98 remaining) [2022-10-16 13:29:23,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_update_used_flagsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 98 remaining) [2022-10-16 13:29:23,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_update_used_flagsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 98 remaining) [2022-10-16 13:29:23,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_discard_vq_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 98 remaining) [2022-10-16 13:29:23,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_discard_vq_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 98 remaining) [2022-10-16 13:29:23,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 98 remaining) [2022-10-16 13:29:23,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 98 remaining) [2022-10-16 13:29:23,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 98 remaining) [2022-10-16 13:29:23,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 98 remaining) [2022-10-16 13:29:23,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 98 remaining) [2022-10-16 13:29:23,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 98 remaining) [2022-10-16 13:29:23,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 98 remaining) [2022-10-16 13:29:23,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 98 remaining) [2022-10-16 13:29:23,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 98 remaining) [2022-10-16 13:29:23,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 98 remaining) [2022-10-16 13:29:23,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 98 remaining) [2022-10-16 13:29:23,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 98 remaining) [2022-10-16 13:29:23,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_has_featureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 98 remaining) [2022-10-16 13:29:23,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_has_featureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 98 remaining) [2022-10-16 13:29:23,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:29:23,951 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-16 13:29:23,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 13:29:24,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:29:24 BoogieIcfgContainer [2022-10-16 13:29:24,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 13:29:24,068 INFO L158 Benchmark]: Toolchain (without parser) took 24884.45ms. Allocated memory was 151.0MB in the beginning and 502.3MB in the end (delta: 351.3MB). Free memory was 110.0MB in the beginning and 208.5MB in the end (delta: -98.5MB). Peak memory consumption was 254.0MB. Max. memory is 8.0GB. [2022-10-16 13:29:24,069 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 13:29:24,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3604.95ms. Allocated memory was 151.0MB in the beginning and 202.4MB in the end (delta: 51.4MB). Free memory was 109.7MB in the beginning and 120.1MB in the end (delta: -10.3MB). Peak memory consumption was 106.0MB. Max. memory is 8.0GB. [2022-10-16 13:29:24,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 373.44ms. Allocated memory is still 202.4MB. Free memory was 120.1MB in the beginning and 84.9MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-10-16 13:29:24,071 INFO L158 Benchmark]: Boogie Preprocessor took 492.65ms. Allocated memory was 202.4MB in the beginning and 317.7MB in the end (delta: 115.3MB). Free memory was 84.9MB in the beginning and 208.1MB in the end (delta: -123.2MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2022-10-16 13:29:24,071 INFO L158 Benchmark]: RCFGBuilder took 9418.58ms. Allocated memory was 317.7MB in the beginning and 502.3MB in the end (delta: 184.5MB). Free memory was 208.1MB in the beginning and 107.2MB in the end (delta: 100.9MB). Peak memory consumption was 287.1MB. Max. memory is 8.0GB. [2022-10-16 13:29:24,072 INFO L158 Benchmark]: TraceAbstraction took 10980.76ms. Allocated memory is still 502.3MB. Free memory was 106.7MB in the beginning and 208.5MB in the end (delta: -101.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 13:29:24,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3604.95ms. Allocated memory was 151.0MB in the beginning and 202.4MB in the end (delta: 51.4MB). Free memory was 109.7MB in the beginning and 120.1MB in the end (delta: -10.3MB). Peak memory consumption was 106.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 373.44ms. Allocated memory is still 202.4MB. Free memory was 120.1MB in the beginning and 84.9MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 492.65ms. Allocated memory was 202.4MB in the beginning and 317.7MB in the end (delta: 115.3MB). Free memory was 84.9MB in the beginning and 208.1MB in the end (delta: -123.2MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * RCFGBuilder took 9418.58ms. Allocated memory was 317.7MB in the beginning and 502.3MB in the end (delta: 184.5MB). Free memory was 208.1MB in the beginning and 107.2MB in the end (delta: 100.9MB). Peak memory consumption was 287.1MB. Max. memory is 8.0GB. * TraceAbstraction took 10980.76ms. Allocated memory is still 502.3MB. Free memory was 106.7MB in the beginning and 208.5MB in the end (delta: -101.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6070]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur 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={2147483651:2147483652}, 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={215:0}, vhost_net_misc={216:0}, 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 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [\result=0, __this_module={2147483651:2147483652}, 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, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: [L10673] case 3: VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10674] FCALL ldv_handler_precall() VAL [__this_module={2147483651:2147483652}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10675] CALL vhost_net_compat_ioctl(var_group2, var_vhost_net_compat_ioctl_28_p1, var_vhost_net_compat_ioctl_28_p2) [L10582] void *tmp ; [L10583] long tmp___0 ; [L10585] CALL, EXPR compat_ptr((compat_uptr_t )arg) [L9300] return ((void *)((unsigned long )uptr)); VAL [\old(uptr)=2147483648, \result={0:-2147483648}, __this_module={2147483651:2147483652}, 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, uptr=2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10585] RET, EXPR compat_ptr((compat_uptr_t )arg) [L10585] tmp = compat_ptr((compat_uptr_t )arg) [L10586] CALL vhost_net_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10570] default: [L10571] CALL ldv_mutex_lock_73(& n->dev.mutex) [L10975] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={2147483655:-17560}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={2147483655:-17560}, lock={2147483655:-17560}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={2147483655:-17560}, lock={2147483655:-17560}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10975] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, ldv_func_arg1={2147483655:-17560}, ldv_func_arg1={2147483655:-17560}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10976] FCALL mutex_lock(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, ldv_func_arg1={2147483655:-17560}, ldv_func_arg1={2147483655:-17560}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10571] RET ldv_mutex_lock_73(& n->dev.mutex) [L10572] CALL, EXPR vhost_dev_ioctl(& n->dev, ioctl, arg) [L7227] void *argp ; [L7228] struct file *eventfp ; [L7229] struct file *filep ; [L7230] struct eventfd_ctx *ctx ; [L7231] u64 p ; [L7232] long r ; [L7233] int i ; [L7234] int fd ; [L7235] unsigned long tmp ; [L7236] struct vhost_virtqueue *vq ; [L7237] void *base ; [L7238] int tmp___0 ; [L7239] int __ret_gu ; [L7240] unsigned long __val_gu ; [L7241] struct file *tmp___1 ; [L7242] long tmp___2 ; [L7243] struct eventfd_ctx *tmp___3 ; [L7245] argp = (void *)arg [L7246] filep = 0 [L7247] ctx = 0 VAL [\old(arg)=2147483648, \old(bit = (int )write_page & 7)=2147483654, \old(ioctl)=44801, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, arg=2147483648, argp={0:-2147483648}, bit = (int )write_page & 7=2147483654, ctx={0:0}, d={2147483655:-17568}, d={2147483655:-17568}, experimental_zcopytx=0, filep={0:0}, ioctl=44801, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, p={220:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L7248] COND TRUE ioctl == 44801U [L7249] CALL, EXPR vhost_dev_set_owner(d) [L6442] struct task_struct *worker ; [L6443] int err ; [L6444] struct task_struct *tmp ; [L6445] struct task_struct *tmp___0 ; [L6446] long tmp___1 ; [L6447] long tmp___2 ; [L6448] long tmp___3 ; [L6450] EXPR dev->mm VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, dev={2147483655:-17568}, dev={2147483655:-17568}, dev->mm={221:-220}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6450] COND TRUE (unsigned long )dev->mm != (unsigned long )((struct mm_struct *)0) [L6451] err = -16 VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, dev={2147483655:-17568}, dev={2147483655:-17568}, err=-16, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6490] return ((long )err); VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, \result=-16, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, dev={2147483655:-17568}, dev={2147483655:-17568}, err=-16, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L7249] RET, EXPR vhost_dev_set_owner(d) [L7249] r = vhost_dev_set_owner(d) [L7370] return (r); [L7370] return (r); VAL [\old(arg)=2147483648, \old(bit = (int )write_page & 7)=2147483654, \old(ioctl)=44801, \old(ldv_mutex_mutex)=1, \result=-16, __this_module={2147483651:2147483652}, arg=2147483648, argp={0:-2147483648}, bit = (int )write_page & 7=2147483654, ctx={0:0}, d={2147483655:-17568}, d={2147483655:-17568}, experimental_zcopytx=0, filep={0:0}, ioctl=44801, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, r=-16, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10572] RET, EXPR vhost_dev_ioctl(& n->dev, ioctl, arg) [L10572] tmp___5 = vhost_dev_ioctl(& n->dev, ioctl, arg) [L10573] r = (int )tmp___5 VAL [\old(arg)=2147483648, \old(bit = (int )write_page & 7)=2147483654, \old(ioctl)=44801, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, arg=2147483648, argp={0:-2147483648}, backend={219:0}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, f={2147483653:-202}, f={2147483653:-202}, featurep={0:-2147483648}, features={218:0}, ioctl=44801, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={2147483655:-17568}, r=-16, tmp___5=-16, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10574] CALL vhost_net_flush(n) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={2147483655:-17568}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10199] CALL vhost_net_flush_vq(n, 1) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(index)=1, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={2147483655:-17568}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10191] CALL vhost_poll_flush((struct vhost_poll *)(& n->poll) + (unsigned long )index) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, 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, poll={2147483655:-32}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6113] EXPR poll->dev VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, 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, poll={2147483655:-32}, poll={2147483655:-32}, poll->dev={2147483649:-127}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6113] CALL vhost_work_flush(poll->dev, & poll->work) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, dev={2147483649:-127}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, work={2147483655:0}] [L6060] unsigned int seq ; [L6061] int flushing ; [L6062] bool tmp ; [L6063] wait_queue_t __wait ; [L6064] struct task_struct *tmp___0 ; [L6065] bool tmp___1 ; [L6066] long tmp___2 ; VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, __wait={217:0}, bit = (int )write_page & 7=2147483654, dev={2147483649:-127}, dev={2147483649:-127}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, work={2147483655:0}, work={2147483655:0}] [L6068] CALL spin_lock_irq(& dev->work_lock) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, bit = (int )write_page & 7=2147483654, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={2147483649:-3}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5437] FCALL _raw_spin_lock_irq(& lock->ldv_5957.rlock) [L6068] RET spin_lock_irq(& dev->work_lock) VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, __wait={217:0}, bit = (int )write_page & 7=2147483654, dev={2147483649:-127}, dev={2147483649:-127}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, work={2147483655:0}, work={2147483655:0}] [L6069] EXPR work->queue_seq [L6069] seq = work->queue_seq [L6070] EXPR work->flushing VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, __wait={217:0}, bit = (int )write_page & 7=2147483654, dev={2147483649:-127}, dev={2147483649:-127}, 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, seq=2147483650, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, work={2147483655:0}, work={2147483655:0}, work->flushing=2147483647] [L6070] work->flushing + 1 VAL [\old(bit = (int )write_page & 7)=2147483654, \old(ldv_mutex_mutex)=1, __this_module={2147483651:2147483652}, __wait={217:0}, bit = (int )write_page & 7=2147483654, dev={2147483649:-127}, dev={2147483649:-127}, 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, seq=2147483650, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, work={2147483655:0}, work={2147483655:0}, work->flushing=2147483647] - UnprovableResult [Line: 8503]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8503]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8512]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8512]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5484]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5484]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6070]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6096]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6096]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5603]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5603]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5603]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5603]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9542]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9542]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9542]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9542]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9549]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9549]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9549]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9549]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9549]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9549]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9631]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9631]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5495]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5495]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7387]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7387]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7704]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7704]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10508]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10508]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6318]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6318]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6328]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6328]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6339]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6339]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7286]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7286]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7349]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7349]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9793]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9793]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9417]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9417]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7492]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7492]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9704]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9704]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6399]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6399]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8065]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8065]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6719]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6719]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6691]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6691]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6356]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6356]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7545]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7545]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8344]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8344]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5648]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5648]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5648]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5648]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6526]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6526]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6296]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6296]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10657]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10657]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5967]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5967]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 109 procedures, 2440 locations, 98 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4634 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4532 mSDsluCounter, 10744 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4102 mSDsCounter, 1342 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2063 IncrementalHoareTripleChecker+Invalid, 3406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1342 mSolverCounterUnsat, 6642 mSDtfsCounter, 2063 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2440occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 2 MinimizatonAttempts, 217 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 [2022-10-16 13:29:24,143 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 0 Received shutdown request...