/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/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:20:50,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:20:50,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:20:50,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:20:50,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:20:50,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:20:50,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:20:50,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:20:50,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:20:50,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:20:50,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:20:50,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:20:50,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:20:50,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:20:50,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:20:50,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:20:50,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:20:50,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:20:50,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:20:50,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:20:50,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:20:50,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:20:50,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:20:50,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:20:50,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:20:50,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:20:50,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:20:50,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:20:50,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:20:50,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:20:50,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:20:50,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:20:50,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:20:50,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:20:50,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:20:50,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:20:50,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:20:50,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:20:50,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:20:50,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:20:51,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:20:51,001 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 21:20:51,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:20:51,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:20:51,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:20:51,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:20:51,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:20:51,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:20:51,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:20:51,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:20:51,061 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:20:51,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:20:51,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:20:51,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:20:51,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:20:51,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:20:51,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:20:51,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:20:51,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:20:51,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:20:51,064 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:20:51,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:20:51,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:20:51,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:20:51,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:20:51,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:20:51,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:20:51,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:20:51,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:51,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:20:51,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:20:51,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:20:51,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:20:51,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:20:51,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:20:51,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:20:51,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:20:51,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:20:51,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:20:51,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:20:51,489 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:20:51,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-10-15 21:20:51,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67b82612/873d5e4c72af4e538a3c2f1d17dfc1a5/FLAGaadcf1b7f [2022-10-15 21:20:52,750 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:20:52,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-10-15 21:20:52,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67b82612/873d5e4c72af4e538a3c2f1d17dfc1a5/FLAGaadcf1b7f [2022-10-15 21:20:53,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67b82612/873d5e4c72af4e538a3c2f1d17dfc1a5 [2022-10-15 21:20:53,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:20:53,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:20:53,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:53,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:20:53,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:20:53,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:53" (1/1) ... [2022-10-15 21:20:53,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a13dc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:53, skipping insertion in model container [2022-10-15 21:20:53,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:53" (1/1) ... [2022-10-15 21:20:53,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:20:53,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:20:57,133 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/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-10-15 21:20:57,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:57,368 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:20:57,937 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/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-10-15 21:20:57,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:58,145 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:20:58,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58 WrapperNode [2022-10-15 21:20:58,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:58,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:58,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:20:58,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:20:58,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:58,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:58,705 INFO L138 Inliner]: procedures = 445, calls = 3482, calls flagged for inlining = 226, calls inlined = 196, statements flattened = 7876 [2022-10-15 21:20:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:58,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:20:58,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:20:58,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:20:58,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:58,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:58,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:58,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:59,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:59,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:59,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:59,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:59,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:20:59,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:20:59,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:20:59,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:20:59,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (1/1) ... [2022-10-15 21:20:59,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:59,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:20:59,236 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 21:20:59,260 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 21:20:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-10-15 21:20:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-10-15 21:20:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-15 21:20:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-15 21:20:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:20:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-15 21:20:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:20:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:20:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-10-15 21:20:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2022-10-15 21:20:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2022-10-15 21:20:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:20:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:20:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2022-10-15 21:20:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2022-10-15 21:20:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2022-10-15 21:20:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2022-10-15 21:20:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-10-15 21:20:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-10-15 21:20:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-10-15 21:20:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:20:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-10-15 21:20:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-10-15 21:20:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:20:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:20:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:20:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:20:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-15 21:20:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-15 21:20:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-10-15 21:20:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-10-15 21:20:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2022-10-15 21:20:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2022-10-15 21:20:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-15 21:20:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-15 21:20:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:20:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-15 21:20:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2022-10-15 21:20:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2022-10-15 21:20:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:20:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:20:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:20:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-10-15 21:20:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-10-15 21:20:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-10-15 21:20:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-10-15 21:20:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:20:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:20:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:20:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:20:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:20:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:20:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-10-15 21:20:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-10-15 21:20:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-10-15 21:20:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:20:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:20:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2022-10-15 21:20:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2022-10-15 21:20:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:20:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:20:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-10-15 21:20:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-10-15 21:20:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-10-15 21:20:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-10-15 21:20:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-10-15 21:20:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-10-15 21:20:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-15 21:20:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-15 21:20:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2022-10-15 21:20:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2022-10-15 21:20:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-10-15 21:20:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-10-15 21:20:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:20:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:20:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:20:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:20:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-15 21:20:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-15 21:20:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:20:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:20:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:20:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:20:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-10-15 21:20:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-10-15 21:20:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-10-15 21:20:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-10-15 21:20:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:20:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:20:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-10-15 21:20:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-10-15 21:20:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-10-15 21:20:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-10-15 21:20:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-10-15 21:20:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-10-15 21:20:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-10-15 21:20:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-10-15 21:20:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-10-15 21:20:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-10-15 21:20:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:20:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:20:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2022-10-15 21:20:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2022-10-15 21:20:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-10-15 21:20:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-10-15 21:20:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2022-10-15 21:20:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2022-10-15 21:20:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-15 21:20:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-15 21:20:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:20:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:20:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2022-10-15 21:20:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2022-10-15 21:20:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-15 21:20:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-15 21:20:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:20:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:20:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-10-15 21:20:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-10-15 21:20:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:20:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-10-15 21:20:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-10-15 21:20:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:20:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-10-15 21:20:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-10-15 21:20:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:20:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:20:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-10-15 21:20:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-10-15 21:20:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-15 21:20:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-15 21:20:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-10-15 21:20:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-10-15 21:20:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:20:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:20:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:20:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:20:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:20:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:20:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-10-15 21:20:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-10-15 21:20:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:20:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:20:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-15 21:20:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-15 21:20:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-10-15 21:20:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-10-15 21:20:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:20:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:20:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:20:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-10-15 21:20:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-10-15 21:20:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:20:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-10-15 21:20:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-10-15 21:20:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2022-10-15 21:20:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2022-10-15 21:20:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2022-10-15 21:20:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2022-10-15 21:20:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2022-10-15 21:20:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2022-10-15 21:20:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:20:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-10-15 21:20:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-10-15 21:20:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:20:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:20:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2022-10-15 21:20:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2022-10-15 21:20:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:20:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:20:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:20:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:20:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2022-10-15 21:20:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2022-10-15 21:20:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:20:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:20:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-10-15 21:20:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-10-15 21:20:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-10-15 21:20:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-10-15 21:20:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2022-10-15 21:20:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2022-10-15 21:20:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:20:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:20:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-10-15 21:20:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-10-15 21:20:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2022-10-15 21:20:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2022-10-15 21:20:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2022-10-15 21:20:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2022-10-15 21:20:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-10-15 21:20:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-10-15 21:20:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:20:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:20:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:20:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-10-15 21:20:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-10-15 21:20:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2022-10-15 21:20:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2022-10-15 21:20:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-10-15 21:20:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-10-15 21:20:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:20:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:20:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:20:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:20:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2022-10-15 21:20:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2022-10-15 21:20:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-10-15 21:20:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-10-15 21:20:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-10-15 21:20:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-10-15 21:20:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:20:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:20:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2022-10-15 21:20:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2022-10-15 21:20:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-10-15 21:20:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-10-15 21:20:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2022-10-15 21:20:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2022-10-15 21:20:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-10-15 21:20:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-10-15 21:20:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-15 21:20:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-15 21:20:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-10-15 21:20:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-10-15 21:20:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:20:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:20:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2022-10-15 21:20:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2022-10-15 21:20:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:20:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:20:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:20:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:20:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-15 21:20:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-15 21:20:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2022-10-15 21:20:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2022-10-15 21:20:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-10-15 21:20:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-10-15 21:20:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2022-10-15 21:20:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2022-10-15 21:20:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-10-15 21:20:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-10-15 21:20:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:20:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2022-10-15 21:20:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2022-10-15 21:20:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2022-10-15 21:20:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2022-10-15 21:21:00,583 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:21:00,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:21:07,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume #t~switch210;#res := ~ret~1; [2022-10-15 21:21:07,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !#t~switch210;#t~switch210 := #t~switch210 || 4 == ~size; [2022-10-15 21:21:07,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0 != ~tmp___1~4;#res := ~ret~1; [2022-10-15 21:21:07,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0 != ~tmp___1~4);#res := ~ret~1; [2022-10-15 21:21:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc #t~switch210; [2022-10-15 21:21:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474: SUMMARY for call #t~ret211 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-10-15 21:21:07,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume #t~switch210; [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !#t~switch210;#t~switch210 := #t~switch210 || 16 == ~size; [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474-1: assume -2147483648 <= #t~ret211 && #t~ret211 <= 2147483647;~tmp___0~9 := #t~ret211;havoc #t~ret211; [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch210;#res := ~ret~1; [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-1: ~tmp___2~3 := #t~ret213;havoc #t~ret213;#res := (if ~tmp___2~3 % 4294967296 % 4294967296 <= 2147483647 then ~tmp___2~3 % 4294967296 % 4294967296 else ~tmp___2~3 % 4294967296 % 4294967296 - 4294967296); [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497: SUMMARY for call #t~ret213 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch210;#t~switch210 := #t~switch210 || 2 == ~size; [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume #t~switch210;#res := ~ret~1; [2022-10-15 21:21:07,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !#t~switch210;#t~switch210 := #t~switch210 || 8 == ~size; [2022-10-15 21:21:07,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487-1: assume -2147483648 <= #t~ret212 && #t~ret212 <= 2147483647;~tmp___1~4 := #t~ret212;havoc #t~ret212; [2022-10-15 21:21:07,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487: SUMMARY for call #t~ret212 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-10-15 21:21:07,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume #t~switch210; [2022-10-15 21:21:07,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !#t~switch210;#t~switch210 := true; [2022-10-15 21:21:07,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0 != ~tmp___0~9;#res := ~ret~1; [2022-10-15 21:21:07,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0 != ~tmp___0~9);#res := ~ret~1; [2022-10-15 21:21:07,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume #t~switch210; [2022-10-15 21:21:07,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !#t~switch210; [2022-10-15 21:21:07,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume #t~switch210;#res := ~ret~1; [2022-10-15 21:21:07,757 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !#t~switch210;#t~switch210 := #t~switch210 || 10 == ~size; [2022-10-15 21:21:13,741 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:21:13,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:21:13,766 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:21:13,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:21:13 BoogieIcfgContainer [2022-10-15 21:21:13,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:21:13,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:21:13,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:21:13,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:21:13,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:20:53" (1/3) ... [2022-10-15 21:21:13,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcf19e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:21:13, skipping insertion in model container [2022-10-15 21:21:13,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:58" (2/3) ... [2022-10-15 21:21:13,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcf19e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:21:13, skipping insertion in model container [2022-10-15 21:21:13,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:21:13" (3/3) ... [2022-10-15 21:21:13,784 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-10-15 21:21:13,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:21:13,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-10-15 21:21:13,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:21:13,951 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;@5770a576, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:21:14,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2022-10-15 21:21:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 2609 states, 1774 states have (on average 1.379368658399098) internal successors, (2447), 1901 states have internal predecessors, (2447), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) [2022-10-15 21:21:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 21:21:14,058 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:14,059 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] [2022-10-15 21:21:14,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__rcu_read_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __rcu_read_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, scsi_command_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 21:21:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash -851404959, now seen corresponding path program 1 times [2022-10-15 21:21:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:14,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572097253] [2022-10-15 21:21:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:21:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:21:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-15 21:21:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:15,170 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 21:21:15,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:15,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572097253] [2022-10-15 21:21:15,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572097253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:15,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:15,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:21:15,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305885876] [2022-10-15 21:21:15,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:15,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:21:15,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:15,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:21:15,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:21:15,226 INFO L87 Difference]: Start difference. First operand has 2609 states, 1774 states have (on average 1.379368658399098) internal successors, (2447), 1901 states have internal predecessors, (2447), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:21:19,326 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 21:21:24,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:24,264 INFO L93 Difference]: Finished difference Result 5638 states and 8294 transitions. [2022-10-15 21:21:24,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:21:24,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2022-10-15 21:21:24,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:24,314 INFO L225 Difference]: With dead ends: 5638 [2022-10-15 21:21:24,314 INFO L226 Difference]: Without dead ends: 3001 [2022-10-15 21:21:24,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 21:21:24,341 INFO L413 NwaCegarLoop]: 3591 mSDtfsCounter, 1570 mSDsluCounter, 4236 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 1635 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 4001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1635 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:21:24,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 7827 Invalid, 4001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1635 Valid, 2365 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-10-15 21:21:24,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2022-10-15 21:21:24,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2817. [2022-10-15 21:21:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2817 states, 1928 states have (on average 1.3594398340248963) internal successors, (2621), 2033 states have internal predecessors, (2621), 714 states have call successors, (714), 113 states have call predecessors, (714), 113 states have return successors, (714), 696 states have call predecessors, (714), 714 states have call successors, (714) [2022-10-15 21:21:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 4049 transitions. [2022-10-15 21:21:24,630 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 4049 transitions. Word has length 45 [2022-10-15 21:21:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:24,631 INFO L495 AbstractCegarLoop]: Abstraction has 2817 states and 4049 transitions. [2022-10-15 21:21:24,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:21:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 4049 transitions. [2022-10-15 21:21:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:21:24,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:24,641 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, 1, 1] [2022-10-15 21:21:24,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:21:24,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting vhost_scsi_clear_endpointErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__rcu_read_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __rcu_read_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, scsi_command_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 21:21:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:24,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1970523663, now seen corresponding path program 1 times [2022-10-15 21:21:24,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:24,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805251338] [2022-10-15 21:21:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:24,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:21:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:21:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:21:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:21:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:21:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 21:21:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:21:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:25,082 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 21:21:25,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:25,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805251338] [2022-10-15 21:21:25,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805251338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:25,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:25,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:21:25,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691889470] [2022-10-15 21:21:25,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:25,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:21:25,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:25,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:21:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:21:25,087 INFO L87 Difference]: Start difference. First operand 2817 states and 4049 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:21:28,371 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 21:21:32,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:32,106 INFO L93 Difference]: Finished difference Result 5730 states and 8252 transitions. [2022-10-15 21:21:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:21:32,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 65 [2022-10-15 21:21:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:32,141 INFO L225 Difference]: With dead ends: 5730 [2022-10-15 21:21:32,141 INFO L226 Difference]: Without dead ends: 2959 [2022-10-15 21:21:32,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:21:32,161 INFO L413 NwaCegarLoop]: 3413 mSDtfsCounter, 1058 mSDsluCounter, 3519 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 662 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 6932 SdHoareTripleChecker+Invalid, 2896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:21:32,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 6932 Invalid, 2896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [662 Valid, 2233 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-10-15 21:21:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2022-10-15 21:21:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2818. [2022-10-15 21:21:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2818 states, 1929 states have (on average 1.359253499222395) internal successors, (2622), 2034 states have internal predecessors, (2622), 714 states have call successors, (714), 113 states have call predecessors, (714), 113 states have return successors, (714), 696 states have call predecessors, (714), 714 states have call successors, (714) [2022-10-15 21:21:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 4050 transitions. [2022-10-15 21:21:32,362 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 4050 transitions. Word has length 65 [2022-10-15 21:21:32,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:32,363 INFO L495 AbstractCegarLoop]: Abstraction has 2818 states and 4050 transitions. [2022-10-15 21:21:32,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:21:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 4050 transitions. [2022-10-15 21:21:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:21:32,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:32,373 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, 1, 1] [2022-10-15 21:21:32,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:21:32,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting vhost_scsi_clear_endpointErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__rcu_read_lockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __rcu_read_lockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, scsi_command_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-15 21:21:32,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:32,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1970525585, now seen corresponding path program 1 times [2022-10-15 21:21:32,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:32,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051961851] [2022-10-15 21:21:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:21:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:21:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:21:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:21:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:21:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 21:21:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:21:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:33,108 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 21:21:33,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:33,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051961851] [2022-10-15 21:21:33,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051961851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:33,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:33,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:21:33,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703182399] [2022-10-15 21:21:33,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:33,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:21:33,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:33,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:21:33,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:21:33,117 INFO L87 Difference]: Start difference. First operand 2818 states and 4050 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:21:37,575 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 21:21:39,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:21:41,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []