/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 [2022-10-15 21:20:55,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:20:55,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:20:55,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:20:55,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:20:55,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:20:55,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:20:55,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:20:55,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:20:55,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:20:55,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:20:55,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:20:55,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:20:55,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:20:55,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:20:55,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:20:55,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:20:55,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:20:55,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:20:55,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:20:55,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:20:55,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:20:55,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:20:55,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:20:55,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:20:55,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:20:55,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:20:55,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:20:55,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:20:55,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:20:55,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:20:55,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:20:55,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:20:55,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:20:55,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:20:55,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:20:55,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:20:55,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:20:55,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:20:55,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:20:55,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:20:55,997 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 [2022-10-15 21:20:56,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:20:56,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:20:56,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:20:56,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:20:56,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:20:56,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:20:56,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:20:56,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:20:56,027 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:20:56,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:20:56,027 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:20:56,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:20:56,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:20:56,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:20:56,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:20:56,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:20:56,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:20:56,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:20:56,028 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:20:56,029 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:20:56,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:20:56,029 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:20:56,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:20:56,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:20:56,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:20:56,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:20:56,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:56,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:20:56,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:20:56,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:20:56,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:20:56,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:20:56,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:20:56,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:20:56,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:20:56,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:20:56,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:20:56,400 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:20:56,400 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:20:56,402 INFO L432 ainManager$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 [2022-10-15 21:20:56,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13fa26f7/9c69d3e725f246be8524de31732dca55/FLAGd35e84db0 [2022-10-15 21:20:57,545 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:20:57,545 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 [2022-10-15 21:20:57,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13fa26f7/9c69d3e725f246be8524de31732dca55/FLAGd35e84db0 [2022-10-15 21:20:57,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13fa26f7/9c69d3e725f246be8524de31732dca55 [2022-10-15 21:20:57,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:20:57,852 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:20:57,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:57,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:20:57,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:20:57,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:57" (1/1) ... [2022-10-15 21:20:57,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5576f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:57, skipping insertion in model container [2022-10-15 21:20:57,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:57" (1/1) ... [2022-10-15 21:20:57,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:20:58,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:21:00,524 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] [2022-10-15 21:21:00,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:21:00,687 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:21:01,195 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] [2022-10-15 21:21:01,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:21:01,329 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:21:01,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01 WrapperNode [2022-10-15 21:21:01,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:21:01,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:21:01,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:21:01,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:21:01,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,684 INFO L138 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6747 [2022-10-15 21:21:01,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:21:01,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:21:01,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:21:01,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:21:01,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:01,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:02,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:21:02,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:21:02,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:21:02,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:21:02,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (1/1) ... [2022-10-15 21:21:02,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:21:02,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:21:02,062 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) [2022-10-15 21:21:02,083 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 [2022-10-15 21:21:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-10-15 21:21:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-10-15 21:21:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-10-15 21:21:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-10-15 21:21:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-10-15 21:21:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-10-15 21:21:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-10-15 21:21:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-10-15 21:21:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-15 21:21:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-15 21:21:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-10-15 21:21:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-10-15 21:21:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:21:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-10-15 21:21:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-10-15 21:21:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:21:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-15 21:21:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-15 21:21:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-10-15 21:21:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-10-15 21:21:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-10-15 21:21:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-10-15 21:21:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-10-15 21:21:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-10-15 21:21:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-15 21:21:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-15 21:21:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:21:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-15 21:21:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:21:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:21:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-10-15 21:21:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-10-15 21:21:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:21:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:21:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-10-15 21:21:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-10-15 21:21:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:21:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:21:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:21:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:21:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-10-15 21:21:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:21:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:21:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-10-15 21:21:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-10-15 21:21:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-10-15 21:21:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-10-15 21:21:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-10-15 21:21:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-10-15 21:21:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-10-15 21:21:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-10-15 21:21:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-10-15 21:21:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-10-15 21:21:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-10-15 21:21:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-10-15 21:21:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:21:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:21:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:21:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:21:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-15 21:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-15 21:21:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-10-15 21:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-10-15 21:21:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-10-15 21:21:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-10-15 21:21:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:21:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:21:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:21:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-10-15 21:21:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-10-15 21:21:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-10-15 21:21:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-10-15 21:21:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:21:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:21:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:21:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-10-15 21:21:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-10-15 21:21:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-10-15 21:21:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-10-15 21:21:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:21:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:21:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-10-15 21:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-10-15 21:21:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-10-15 21:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-10-15 21:21:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:21:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:21:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-10-15 21:21:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-10-15 21:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-10-15 21:21:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-10-15 21:21:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:21:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:21:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:21:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:21:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:21:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-15 21:21:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-15 21:21:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:21:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:21:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-10-15 21:21:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-10-15 21:21:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-10-15 21:21:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-10-15 21:21:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-10-15 21:21:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-10-15 21:21:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:21:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:21:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:21:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-15 21:21:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:21:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:21:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:21:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-10-15 21:21:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-10-15 21:21:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:21:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:21:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:21:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-10-15 21:21:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-10-15 21:21:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:21:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-10-15 21:21:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-10-15 21:21:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-10-15 21:21:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-10-15 21:21:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-10-15 21:21:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-10-15 21:21:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-15 21:21:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-15 21:21:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:21:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:21:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-10-15 21:21:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-10-15 21:21:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-10-15 21:21:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:21:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:21:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:21:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-10-15 21:21:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-10-15 21:21:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-10-15 21:21:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-10-15 21:21:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-10-15 21:21:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-10-15 21:21:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-10-15 21:21:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-10-15 21:21:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-10-15 21:21:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-10-15 21:21:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-10-15 21:21:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-10-15 21:21:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-10-15 21:21:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-10-15 21:21:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-15 21:21:02,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-15 21:21:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:21:02,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:21:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:21:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:21:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-10-15 21:21:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-10-15 21:21:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-10-15 21:21:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-10-15 21:21:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:21:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-10-15 21:21:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-10-15 21:21:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:21:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:21:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-10-15 21:21:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-10-15 21:21:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:21:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-10-15 21:21:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-10-15 21:21:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-10-15 21:21:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-10-15 21:21:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-10-15 21:21:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-10-15 21:21:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:21:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-15 21:21:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-15 21:21:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-15 21:21:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-15 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:21:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-10-15 21:21:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-10-15 21:21:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:21:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:21:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:21:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:21:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-10-15 21:21:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-10-15 21:21:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:21:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:21:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-10-15 21:21:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-10-15 21:21:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:21:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:21:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-10-15 21:21:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-10-15 21:21:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-15 21:21:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-15 21:21:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:21:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:21:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-10-15 21:21:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-10-15 21:21:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-10-15 21:21:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-10-15 21:21:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-10-15 21:21:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-10-15 21:21:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-10-15 21:21:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-10-15 21:21:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-10-15 21:21:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-10-15 21:21:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:21:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:21:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-10-15 21:21:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-10-15 21:21:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:21:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:21:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:21:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:21:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-10-15 21:21:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-10-15 21:21:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:21:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-10-15 21:21:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-10-15 21:21:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-10-15 21:21:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-10-15 21:21:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-15 21:21:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-15 21:21:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:21:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:21:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:21:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:21:03,082 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:21:03,087 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:21:07,738 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 [2022-10-15 21:21:07,739 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; [2022-10-15 21:21:07,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-10-15 21:21:07,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-10-15 21:21:07,739 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; [2022-10-15 21:21:07,740 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; [2022-10-15 21:21:07,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-10-15 21:21:07,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-10-15 21:21:07,740 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; [2022-10-15 21:21:07,740 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 [2022-10-15 21:21:07,740 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; [2022-10-15 21:21:07,740 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; [2022-10-15 21:21:07,741 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); [2022-10-15 21:21:07,741 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; [2022-10-15 21:21:07,741 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; [2022-10-15 21:21:07,741 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 [2022-10-15 21:21:07,741 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; [2022-10-15 21:21:07,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-10-15 21:21:07,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-10-15 21:21:07,742 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; [2022-10-15 21:21:07,742 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; [2022-10-15 21:21:07,742 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; [2022-10-15 21:21:07,742 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; [2022-10-15 21:21:07,742 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; [2022-10-15 21:21:07,743 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; [2022-10-15 21:21:09,849 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 [2022-10-15 21:21:09,850 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; [2022-10-15 21:21:09,850 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; [2022-10-15 21:21:09,850 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; [2022-10-15 21:21:09,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-10-15 21:21:09,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-10-15 21:21:09,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-10-15 21:21:09,850 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 [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,851 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; [2022-10-15 21:21:09,852 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; [2022-10-15 21:21:09,852 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; [2022-10-15 21:21:09,852 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-10-15 21:21:09,852 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-10-15 21:21:09,852 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); [2022-10-15 21:21:09,852 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 [2022-10-15 21:21:09,852 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; [2022-10-15 21:21:09,853 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; [2022-10-15 21:21:09,853 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-10-15 21:21:09,853 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; [2022-10-15 21:21:11,181 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:21:11,219 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:21:11,220 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:21:11,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:21:11 BoogieIcfgContainer [2022-10-15 21:21:11,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:21:11,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:21:11,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:21:11,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:21:11,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:20:57" (1/3) ... [2022-10-15 21:21:11,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d68e4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:21:11, skipping insertion in model container [2022-10-15 21:21:11,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:21:01" (2/3) ... [2022-10-15 21:21:11,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d68e4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:21:11, skipping insertion in model container [2022-10-15 21:21:11,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:21:11" (3/3) ... [2022-10-15 21:21:11,237 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-10-15 21:21:11,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:21:11,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2022-10-15 21:21:11,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:21:11,380 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;@fcbf3c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:21:11,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2022-10-15 21:21:11,396 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) [2022-10-15 21:21:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-15 21:21:11,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:11,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:21:11,407 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)] === [2022-10-15 21:21:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:11,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1229873136, now seen corresponding path program 1 times [2022-10-15 21:21:11,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:11,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407272930] [2022-10-15 21:21:11,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:11,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:21:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:21:12,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:12,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407272930] [2022-10-15 21:21:12,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407272930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:12,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:12,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:21:12,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691440486] [2022-10-15 21:21:12,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:12,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:21:12,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:12,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:21:12,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:21:12,129 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) [2022-10-15 21:21:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:12,612 INFO L93 Difference]: Finished difference Result 4845 states and 6998 transitions. [2022-10-15 21:21:12,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:21:12,615 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 [2022-10-15 21:21:12,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:12,674 INFO L225 Difference]: With dead ends: 4845 [2022-10-15 21:21:12,674 INFO L226 Difference]: Without dead ends: 2387 [2022-10-15 21:21:12,702 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 [2022-10-15 21:21:12,706 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 [2022-10-15 21:21:12,708 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] [2022-10-15 21:21:12,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2022-10-15 21:21:12,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2022-10-15 21:21:12,971 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) [2022-10-15 21:21:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3372 transitions. [2022-10-15 21:21:13,001 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3372 transitions. Word has length 9 [2022-10-15 21:21:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:13,003 INFO L495 AbstractCegarLoop]: Abstraction has 2387 states and 3372 transitions. [2022-10-15 21:21:13,003 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) [2022-10-15 21:21:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3372 transitions. [2022-10-15 21:21:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:21:13,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:13,008 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] [2022-10-15 21:21:13,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:21:13,009 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)] === [2022-10-15 21:21:13,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:13,010 INFO L85 PathProgramCache]: Analyzing trace with hash -598848466, now seen corresponding path program 1 times [2022-10-15 21:21:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:13,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006354221] [2022-10-15 21:21:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:21:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:21:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:21:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:21:13,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:13,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006354221] [2022-10-15 21:21:13,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006354221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:13,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:13,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:21:13,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715194461] [2022-10-15 21:21:13,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:13,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:21:13,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:13,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:21:13,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:21:13,352 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) [2022-10-15 21:21:15,841 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 [] [2022-10-15 21:21:21,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:21,686 INFO L93 Difference]: Finished difference Result 4999 states and 7113 transitions. [2022-10-15 21:21:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:21:21,687 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 [2022-10-15 21:21:21,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:21,725 INFO L225 Difference]: With dead ends: 4999 [2022-10-15 21:21:21,727 INFO L226 Difference]: Without dead ends: 2622 [2022-10-15 21:21:21,744 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 [2022-10-15 21:21:21,746 INFO L413 NwaCegarLoop]: 3232 mSDtfsCounter, 1129 mSDsluCounter, 4092 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 1339 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 7324 SdHoareTripleChecker+Invalid, 3410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1339 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:21:21,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 7324 Invalid, 3410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1339 Valid, 2070 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-10-15 21:21:21,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2022-10-15 21:21:21,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2405. [2022-10-15 21:21:21,889 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) [2022-10-15 21:21:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3399 transitions. [2022-10-15 21:21:21,912 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3399 transitions. Word has length 41 [2022-10-15 21:21:21,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:21,913 INFO L495 AbstractCegarLoop]: Abstraction has 2405 states and 3399 transitions. [2022-10-15 21:21:21,913 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) [2022-10-15 21:21:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3399 transitions. [2022-10-15 21:21:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:21:21,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:21,919 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] [2022-10-15 21:21:21,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:21:21,920 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)] === [2022-10-15 21:21:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1510564643, now seen corresponding path program 1 times [2022-10-15 21:21:21,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:21,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582086668] [2022-10-15 21:21:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:21,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:21:22,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 21:21:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:21:22,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 21:21:22,737 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 21:21:22,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 98 remaining) [2022-10-15 21:21:22,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 98 remaining) [2022-10-15 21:21:22,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 98 remaining) [2022-10-15 21:21:22,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 98 remaining) [2022-10-15 21:21:22,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_add_used_and_signalErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 98 remaining) [2022-10-15 21:21:22,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 98 remaining) [2022-10-15 21:21:22,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 98 remaining) [2022-10-15 21:21:22,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 98 remaining) [2022-10-15 21:21:22,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 98 remaining) [2022-10-15 21:21:22,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 98 remaining) [2022-10-15 21:21:22,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 98 remaining) [2022-10-15 21:21:22,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 98 remaining) [2022-10-15 21:21:22,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 98 remaining) [2022-10-15 21:21:22,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location log_writeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 98 remaining) [2022-10-15 21:21:22,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 98 remaining) [2022-10-15 21:21:22,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 98 remaining) [2022-10-15 21:21:22,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 98 remaining) [2022-10-15 21:21:22,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 98 remaining) [2022-10-15 21:21:22,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 98 remaining) [2022-10-15 21:21:22,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 98 remaining) [2022-10-15 21:21:22,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 98 remaining) [2022-10-15 21:21:22,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 98 remaining) [2022-10-15 21:21:22,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 98 remaining) [2022-10-15 21:21:22,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 98 remaining) [2022-10-15 21:21:22,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 98 remaining) [2022-10-15 21:21:22,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 98 remaining) [2022-10-15 21:21:22,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 98 remaining) [2022-10-15 21:21:22,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 98 remaining) [2022-10-15 21:21:22,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_unlockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 98 remaining) [2022-10-15 21:21:22,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __rcu_read_unlockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 98 remaining) [2022-10-15 21:21:22,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 98 remaining) [2022-10-15 21:21:22,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 98 remaining) [2022-10-15 21:21:22,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 98 remaining) [2022-10-15 21:21:22,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location translate_descErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 98 remaining) [2022-10-15 21:21:22,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 98 remaining) [2022-10-15 21:21:22,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 98 remaining) [2022-10-15 21:21:22,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 98 remaining) [2022-10-15 21:21:22,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 98 remaining) [2022-10-15 21:21:22,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 98 remaining) [2022-10-15 21:21:22,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 98 remaining) [2022-10-15 21:21:22,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 98 remaining) [2022-10-15 21:21:22,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 98 remaining) [2022-10-15 21:21:22,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 98 remaining) [2022-10-15 21:21:22,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 98 remaining) [2022-10-15 21:21:22,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 98 remaining) [2022-10-15 21:21:22,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 98 remaining) [2022-10-15 21:21:22,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 98 remaining) [2022-10-15 21:21:22,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 98 remaining) [2022-10-15 21:21:22,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 98 remaining) [2022-10-15 21:21:22,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 98 remaining) [2022-10-15 21:21:22,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 98 remaining) [2022-10-15 21:21:22,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 98 remaining) [2022-10-15 21:21:22,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 98 remaining) [2022-10-15 21:21:22,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __vhost_add_used_nErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 98 remaining) [2022-10-15 21:21:22,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 98 remaining) [2022-10-15 21:21:22,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 98 remaining) [2022-10-15 21:21:22,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 98 remaining) [2022-10-15 21:21:22,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 98 remaining) [2022-10-15 21:21:22,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 98 remaining) [2022-10-15 21:21:22,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 98 remaining) [2022-10-15 21:21:22,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 98 remaining) [2022-10-15 21:21:22,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location handle_rxErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 98 remaining) [2022-10-15 21:21:22,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 98 remaining) [2022-10-15 21:21:22,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 98 remaining) [2022-10-15 21:21:22,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 98 remaining) [2022-10-15 21:21:22,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 98 remaining) [2022-10-15 21:21:22,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 98 remaining) [2022-10-15 21:21:22,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_get_vq_descErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 98 remaining) [2022-10-15 21:21:22,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_enable_notifyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 98 remaining) [2022-10-15 21:21:22,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_enable_notifyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 98 remaining) [2022-10-15 21:21:22,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 98 remaining) [2022-10-15 21:21:22,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 98 remaining) [2022-10-15 21:21:22,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vq_memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 98 remaining) [2022-10-15 21:21:22,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vq_memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 98 remaining) [2022-10-15 21:21:22,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location move_iovec_hdrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 98 remaining) [2022-10-15 21:21:22,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location move_iovec_hdrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 98 remaining) [2022-10-15 21:21:22,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 98 remaining) [2022-10-15 21:21:22,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 98 remaining) [2022-10-15 21:21:22,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 98 remaining) [2022-10-15 21:21:22,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 98 remaining) [2022-10-15 21:21:22,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_update_used_flagsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 98 remaining) [2022-10-15 21:21:22,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_update_used_flagsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 98 remaining) [2022-10-15 21:21:22,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_discard_vq_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 98 remaining) [2022-10-15 21:21:22,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_discard_vq_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 98 remaining) [2022-10-15 21:21:22,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 98 remaining) [2022-10-15 21:21:22,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 98 remaining) [2022-10-15 21:21:22,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 98 remaining) [2022-10-15 21:21:22,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_signalErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 98 remaining) [2022-10-15 21:21:22,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 98 remaining) [2022-10-15 21:21:22,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 98 remaining) [2022-10-15 21:21:22,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 98 remaining) [2022-10-15 21:21:22,789 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_zerocopy_signal_usedErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 98 remaining) [2022-10-15 21:21:22,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 98 remaining) [2022-10-15 21:21:22,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 98 remaining) [2022-10-15 21:21:22,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 98 remaining) [2022-10-15 21:21:22,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 98 remaining) [2022-10-15 21:21:22,790 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_has_featureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 98 remaining) [2022-10-15 21:21:22,791 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_has_featureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 98 remaining) [2022-10-15 21:21:22,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:21:22,796 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-15 21:21:22,802 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 21:21:22,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:21:22 BoogieIcfgContainer [2022-10-15 21:21:22,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 21:21:22,939 INFO L158 Benchmark]: Toolchain (without parser) took 25091.25ms. Allocated memory was 152.0MB in the beginning and 549.5MB in the end (delta: 397.4MB). Free memory was 117.2MB in the beginning and 135.6MB in the end (delta: -18.4MB). Peak memory consumption was 378.9MB. Max. memory is 8.0GB. [2022-10-15 21:21:22,940 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 152.0MB. Free memory was 121.2MB in the beginning and 121.1MB in the end (delta: 75.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 21:21:22,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3477.13ms. Allocated memory was 152.0MB in the beginning and 196.1MB in the end (delta: 44.0MB). Free memory was 117.0MB in the beginning and 91.7MB in the end (delta: 25.3MB). Peak memory consumption was 90.3MB. Max. memory is 8.0GB. [2022-10-15 21:21:22,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 353.70ms. Allocated memory is still 196.1MB. Free memory was 91.7MB in the beginning and 111.1MB in the end (delta: -19.4MB). Peak memory consumption was 27.8MB. Max. memory is 8.0GB. [2022-10-15 21:21:22,941 INFO L158 Benchmark]: Boogie Preprocessor took 341.10ms. Allocated memory is still 196.1MB. Free memory was 111.1MB in the beginning and 72.9MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-10-15 21:21:22,942 INFO L158 Benchmark]: RCFGBuilder took 9200.07ms. Allocated memory was 196.1MB in the beginning and 549.5MB in the end (delta: 353.4MB). Free memory was 72.9MB in the beginning and 304.3MB in the end (delta: -231.4MB). Peak memory consumption was 122.5MB. Max. memory is 8.0GB. [2022-10-15 21:21:22,942 INFO L158 Benchmark]: TraceAbstraction took 11708.51ms. Allocated memory is still 549.5MB. Free memory was 303.8MB in the beginning and 135.6MB in the end (delta: 168.1MB). Peak memory consumption was 168.7MB. Max. memory is 8.0GB. [2022-10-15 21:21:22,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 152.0MB. Free memory was 121.2MB in the beginning and 121.1MB in the end (delta: 75.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3477.13ms. Allocated memory was 152.0MB in the beginning and 196.1MB in the end (delta: 44.0MB). Free memory was 117.0MB in the beginning and 91.7MB in the end (delta: 25.3MB). Peak memory consumption was 90.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 353.70ms. Allocated memory is still 196.1MB. Free memory was 91.7MB in the beginning and 111.1MB in the end (delta: -19.4MB). Peak memory consumption was 27.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 341.10ms. Allocated memory is still 196.1MB. Free memory was 111.1MB in the beginning and 72.9MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * RCFGBuilder took 9200.07ms. Allocated memory was 196.1MB in the beginning and 549.5MB in the end (delta: 353.4MB). Free memory was 72.9MB in the beginning and 304.3MB in the end (delta: -231.4MB). Peak memory consumption was 122.5MB. Max. memory is 8.0GB. * TraceAbstraction took 11708.51ms. Allocated memory is still 549.5MB. Free memory was 303.8MB in the beginning and 135.6MB in the end (delta: 168.1MB). Peak memory consumption was 168.7MB. 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: 11.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4634 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4532 mSDsluCounter, 10731 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4092 mSDsCounter, 1339 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2071 IncrementalHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1339 mSolverCounterUnsat, 6639 mSDtfsCounter, 2071 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, 0.6s 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 [2022-10-15 21:21:23,022 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...