/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-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:09:34,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:09:34,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:09:34,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:09:34,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:09:34,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:09:34,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:09:34,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:09:34,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:09:34,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:09:34,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:09:34,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:09:34,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:09:34,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:09:34,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:09:34,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:09:34,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:09:34,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:09:34,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:09:34,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:09:34,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:09:34,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:09:34,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:09:34,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:09:34,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:09:34,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:09:34,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:09:34,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:09:34,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:09:34,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:09:34,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:09:34,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:09:34,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:09:34,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:09:34,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:09:34,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:09:34,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:09:34,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:09:34,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:09:34,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:09:34,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:09:34,227 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 21:09:34,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:09:34,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:09:34,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:09:34,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:09:34,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:09:34,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:09:34,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:09:34,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:09:34,285 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:09:34,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:09:34,286 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:09:34,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:09:34,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:09:34,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:09:34,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:09:34,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:09:34,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:09:34,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:09:34,287 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:09:34,288 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:09:34,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:09:34,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:09:34,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:09:34,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:09:34,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:09:34,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:09:34,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:09:34,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:09:34,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:09:34,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:09:34,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:09:34,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:09:34,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:09:34,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:09:34,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:09:34,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:09:34,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:09:34,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:09:34,709 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:09:34,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i [2022-10-15 21:09:34,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6656806/9c2012f1587b44f495cc4f072636bbc1/FLAGfa15f8246 [2022-10-15 21:09:35,941 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:09:35,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i [2022-10-15 21:09:36,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6656806/9c2012f1587b44f495cc4f072636bbc1/FLAGfa15f8246 [2022-10-15 21:09:36,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6656806/9c2012f1587b44f495cc4f072636bbc1 [2022-10-15 21:09:36,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:09:36,332 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:09:36,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:09:36,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:09:36,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:09:36,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:09:36" (1/1) ... [2022-10-15 21:09:36,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556b1184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:36, skipping insertion in model container [2022-10-15 21:09:36,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:09:36" (1/1) ... [2022-10-15 21:09:36,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:09:36,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:09:38,057 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-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i[303043,303056] [2022-10-15 21:09:38,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:09:38,287 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:09:38,798 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-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i[303043,303056] [2022-10-15 21:09:38,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:09:39,085 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:09:39,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39 WrapperNode [2022-10-15 21:09:39,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:09:39,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:09:39,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:09:39,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:09:39,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,388 INFO L138 Inliner]: procedures = 148, calls = 4199, calls flagged for inlining = 65, calls inlined = 63, statements flattened = 5359 [2022-10-15 21:09:39,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:09:39,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:09:39,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:09:39,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:09:39,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:09:39,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:09:39,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:09:39,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:09:39,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (1/1) ... [2022-10-15 21:09:39,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:09:39,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:09:40,004 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 21:09:40,009 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 21:09:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-15 21:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-15 21:09:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 21:09:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 21:09:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:09:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:09:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure check_parms [2022-10-15 21:09:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure check_parms [2022-10-15 21:09:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:09:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_supply_msgs [2022-10-15 21:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_supply_msgs [2022-10-15 21:09:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure preaction_op [2022-10-15 21:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure preaction_op [2022-10-15 21:09:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-10-15 21:09:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-10-15 21:09:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:09:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_heartbeat [2022-10-15 21:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_heartbeat [2022-10-15 21:09:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_open [2022-10-15 21:09:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_open [2022-10-15 21:09:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2022-10-15 21:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2022-10-15 21:09:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure panic_smi_free [2022-10-15 21:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_smi_free [2022-10-15 21:09:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_watchdog [2022-10-15 21:09:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_watchdog [2022-10-15 21:09:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-10-15 21:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-10-15 21:09:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:09:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:09:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:09:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:09:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:09:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure action_op [2022-10-15 21:09:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure action_op [2022-10-15 21:09:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-15 21:09:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-15 21:09:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure panic_recv_free [2022-10-15 21:09:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_recv_free [2022-10-15 21:09:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:09:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:09:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:09:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-15 21:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-10-15 21:09:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:09:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:09:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:09:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure preop_op [2022-10-15 21:09:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure preop_op [2022-10-15 21:09:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2022-10-15 21:09:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2022-10-15 21:09:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-10-15 21:09:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-10-15 21:09:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:09:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:09:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:09:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_close [2022-10-15 21:09:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_close [2022-10-15 21:09:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_set_timeout [2022-10-15 21:09:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_set_timeout [2022-10-15 21:09:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:09:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-15 21:09:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-15 21:09:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-15 21:09:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-15 21:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_set_timeout [2022-10-15 21:09:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_set_timeout [2022-10-15 21:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll_interface [2022-10-15 21:09:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll_interface [2022-10-15 21:09:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-10-15 21:09:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-10-15 21:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_register_watchdog [2022-10-15 21:09:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_register_watchdog [2022-10-15 21:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-15 21:09:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-15 21:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-15 21:09:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-15 21:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:09:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_notifier_chain_unregister [2022-10-15 21:09:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_notifier_chain_unregister [2022-10-15 21:09:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:09:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:09:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:09:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:09:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure panic_halt_ipmi_set_timeout [2022-10-15 21:09:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_halt_ipmi_set_timeout [2022-10-15 21:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2022-10-15 21:09:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2022-10-15 21:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:09:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:09:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:09:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-15 21:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:09:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:09:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:09:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:09:40,573 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:09:40,577 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:09:41,587 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-15 21:09:41,588 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-15 21:09:41,817 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:09:41,846 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-15 21:09:41,846 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-15 21:09:42,123 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:09:42,130 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:09:42,132 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:40,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5860-1: ipmi_read_~tmp___0~5#1.base, ipmi_read_~tmp___0~5#1.offset := ipmi_read_#t~ret184#1.base, ipmi_read_#t~ret184#1.offset;havoc ipmi_read_#t~ret184#1.base, ipmi_read_#t~ret184#1.offset;ipmi_read_~__ptr~0#1.base, ipmi_read_~__ptr~0#1.offset := ipmi_read_~tmp___0~5#1.base, ipmi_read_~tmp___0~5#1.offset; [2022-10-15 21:10:40,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5860: SUMMARY for call ipmi_read_#t~ret184#1.base, ipmi_read_#t~ret184#1.offset := get_current(); srcloc: null [2022-10-15 21:10:40,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2022-10-15 21:10:40,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume !false;call ULTIMATE.dealloc(ipmi_ioctl_~#val~0#1.base, ipmi_ioctl_~#val~0#1.offset);havoc ipmi_ioctl_~#val~0#1.base, ipmi_ioctl_~#val~0#1.offset; [2022-10-15 21:10:40,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##183: assume false; [2022-10-15 21:10:40,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2022-10-15 21:10:40,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume false; [2022-10-15 21:10:40,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume !false; [2022-10-15 21:10:40,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume false; [2022-10-15 21:10:40,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume !false; [2022-10-15 21:10:40,898 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:10:40,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:10:40,917 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-15 21:10:40,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:40 BoogieIcfgContainer [2022-10-15 21:10:40,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:10:40,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:10:40,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:10:40,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:10:40,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:09:36" (1/3) ... [2022-10-15 21:10:40,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19334e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:40, skipping insertion in model container [2022-10-15 21:10:40,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:39" (2/3) ... [2022-10-15 21:10:40,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19334e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:40, skipping insertion in model container [2022-10-15 21:10:40,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:40" (3/3) ... [2022-10-15 21:10:40,933 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i [2022-10-15 21:10:40,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:10:40,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-15 21:10:41,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:10:41,062 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;@6999ec4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:10:41,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-15 21:10:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 694 states, 511 states have (on average 1.3933463796477494) internal successors, (712), 537 states have internal predecessors, (712), 130 states have call successors, (130), 43 states have call predecessors, (130), 43 states have return successors, (130), 125 states have call predecessors, (130), 130 states have call successors, (130) [2022-10-15 21:10:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 21:10:41,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:41,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:10:41,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting i_ipmi_set_timeoutErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [i_ipmi_set_timeoutErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, i_ipmi_set_timeoutErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, i_ipmi_set_timeoutErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-15 21:10:41,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:41,108 INFO L85 PathProgramCache]: Analyzing trace with hash 901209454, now seen corresponding path program 1 times [2022-10-15 21:10:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:41,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828443818] [2022-10-15 21:10:41,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:10:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:10:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-15 21:10:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:10:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:10:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:10:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,279 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 21:10:43,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:43,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828443818] [2022-10-15 21:10:43,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828443818] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:43,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:43,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:10:43,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375428316] [2022-10-15 21:10:43,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:43,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:10:43,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:43,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:10:43,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:10:43,336 INFO L87 Difference]: Start difference. First operand has 694 states, 511 states have (on average 1.3933463796477494) internal successors, (712), 537 states have internal predecessors, (712), 130 states have call successors, (130), 43 states have call predecessors, (130), 43 states have return successors, (130), 125 states have call predecessors, (130), 130 states have call successors, (130) Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)