./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f1aff5e4c83d88c522badf0f4d59dd68712f74ddffe3a813d6da36b7733c959 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:16,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:16,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:16,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:16,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:16,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:16,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:16,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:16,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:16,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:16,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:16,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:16,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:16,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:16,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:16,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:16,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:16,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:16,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:16,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:16,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:16,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:16,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:16,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:16,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:16,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:16,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:16,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:16,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:16,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:16,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:16,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:16,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:16,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:16,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:16,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:16,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:16,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:16,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:16,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:16,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:16,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:16,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:16,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:16,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:16,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:16,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:16,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:16,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:16,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:16,292 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:16,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:16,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:16,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:16,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:16,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:16,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:16,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:16,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:16,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:16,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:16,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:16,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:16,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:16,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:16,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:16,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:16,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:16,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:16,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:16,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:16,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:16,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:16,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f1aff5e4c83d88c522badf0f4d59dd68712f74ddffe3a813d6da36b7733c959 [2021-12-15 12:33:16,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:16,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:16,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:16,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:16,578 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:16,580 INFO L432 ainManager$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 [2021-12-15 12:33:16,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e552db14/0b9464cd143b4fb6b2fc65b83d98baed/FLAG7c9b6e5c0 [2021-12-15 12:33:17,415 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:17,416 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 [2021-12-15 12:33:17,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e552db14/0b9464cd143b4fb6b2fc65b83d98baed/FLAG7c9b6e5c0 [2021-12-15 12:33:17,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e552db14/0b9464cd143b4fb6b2fc65b83d98baed [2021-12-15 12:33:17,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:17,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:17,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:17,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:17,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:17,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:17" (1/1) ... [2021-12-15 12:33:17,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723c13eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:17, skipping insertion in model container [2021-12-15 12:33:17,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:17" (1/1) ... [2021-12-15 12:33:17,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:17,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:18,808 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] [2021-12-15 12:33:18,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:18,983 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:19,221 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] [2021-12-15 12:33:19,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:19,381 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:19,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19 WrapperNode [2021-12-15 12:33:19,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:19,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:19,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:19,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:19,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,686 INFO L137 Inliner]: procedures = 148, calls = 4199, calls flagged for inlining = 65, calls inlined = 63, statements flattened = 5342 [2021-12-15 12:33:19,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:19,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:19,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:19,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:19,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:19,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:20,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:20,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:20,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:20,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:20,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (1/1) ... [2021-12-15 12:33:20,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:20,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:20,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:33:20,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:33:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 12:33:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 12:33:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-15 12:33:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-15 12:33:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:33:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:33:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure check_parms [2021-12-15 12:33:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure check_parms [2021-12-15 12:33:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_supply_msgs [2021-12-15 12:33:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_supply_msgs [2021-12-15 12:33:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure preaction_op [2021-12-15 12:33:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure preaction_op [2021-12-15 12:33:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-12-15 12:33:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-12-15 12:33:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:33:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:33:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_heartbeat [2021-12-15 12:33:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_heartbeat [2021-12-15 12:33:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_open [2021-12-15 12:33:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_open [2021-12-15 12:33:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-12-15 12:33:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-12-15 12:33:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure panic_smi_free [2021-12-15 12:33:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_smi_free [2021-12-15 12:33:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_watchdog [2021-12-15 12:33:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_watchdog [2021-12-15 12:33:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2021-12-15 12:33:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2021-12-15 12:33:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:33:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:33:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure action_op [2021-12-15 12:33:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure action_op [2021-12-15 12:33:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure panic_recv_free [2021-12-15 12:33:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_recv_free [2021-12-15 12:33:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 12:33:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 12:33:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-15 12:33:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-15 12:33:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure preop_op [2021-12-15 12:33:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure preop_op [2021-12-15 12:33:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2021-12-15 12:33:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2021-12-15 12:33:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-15 12:33:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-15 12:33:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_close [2021-12-15 12:33:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_close [2021-12-15 12:33:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_set_timeout [2021-12-15 12:33:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_set_timeout [2021-12-15 12:33:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 12:33:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 12:33:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-15 12:33:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-15 12:33:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_set_timeout [2021-12-15 12:33:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_set_timeout [2021-12-15 12:33:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll_interface [2021-12-15 12:33:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll_interface [2021-12-15 12:33:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 12:33:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 12:33:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_register_watchdog [2021-12-15 12:33:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_register_watchdog [2021-12-15 12:33:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-15 12:33:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-15 12:33:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_notifier_chain_unregister [2021-12-15 12:33:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_notifier_chain_unregister [2021-12-15 12:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:33:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:33:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:33:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure panic_halt_ipmi_set_timeout [2021-12-15 12:33:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_halt_ipmi_set_timeout [2021-12-15 12:33:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2021-12-15 12:33:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2021-12-15 12:33:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:33:20,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:33:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-15 12:33:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:20,140 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:20,727 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:20,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:21,332 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:21,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:21,455 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:21,469 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:21,469 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:21,687 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:21,717 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:21,718 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:57,253 INFO L768 $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; [2021-12-15 12:33:57,253 INFO L768 $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 [2021-12-15 12:33:57,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2021-12-15 12:33:57,254 INFO L768 $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; [2021-12-15 12:33:57,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##183: assume false; [2021-12-15 12:33:57,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2021-12-15 12:33:57,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume false; [2021-12-15 12:33:57,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume !false; [2021-12-15 12:33:57,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume false; [2021-12-15 12:33:57,257 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume !false; [2021-12-15 12:33:57,280 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:57,298 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:57,298 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 12:33:57,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:57 BoogieIcfgContainer [2021-12-15 12:33:57,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:57,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:57,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:57,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:57,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:17" (1/3) ... [2021-12-15 12:33:57,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abc2e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:57, skipping insertion in model container [2021-12-15 12:33:57,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:19" (2/3) ... [2021-12-15 12:33:57,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abc2e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:57, skipping insertion in model container [2021-12-15 12:33:57,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:57" (3/3) ... [2021-12-15 12:33:57,315 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i [2021-12-15 12:33:57,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:57,320 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:57,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:57,382 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:33:57,382 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 671 states, 497 states have (on average 1.3782696177062375) internal successors, (685), 514 states have internal predecessors, (685), 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) [2021-12-15 12:33:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-15 12:33:57,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:57,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:57,435 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:57,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2045978797, now seen corresponding path program 1 times [2021-12-15 12:33:57,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:33:57,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128430638] [2021-12-15 12:33:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:57,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:33:57,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:33:57,579 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:33:57,584 INFO L158 Benchmark]: Toolchain (without parser) took 39930.60ms. Allocated memory was 88.1MB in the beginning and 690.0MB in the end (delta: 601.9MB). Free memory was 47.9MB in the beginning and 308.8MB in the end (delta: -260.9MB). Peak memory consumption was 339.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:57,585 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:57,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1727.25ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 47.6MB in the beginning and 65.1MB in the end (delta: -17.5MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:57,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 302.81ms. Allocated memory is still 132.1MB. Free memory was 65.1MB in the beginning and 54.1MB in the end (delta: 11.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:57,586 INFO L158 Benchmark]: Boogie Preprocessor took 320.21ms. Allocated memory is still 132.1MB. Free memory was 54.1MB in the beginning and 42.9MB in the end (delta: 11.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:57,587 INFO L158 Benchmark]: RCFGBuilder took 37294.37ms. Allocated memory was 132.1MB in the beginning and 690.0MB in the end (delta: 557.8MB). Free memory was 42.9MB in the beginning and 332.9MB in the end (delta: -290.0MB). Peak memory consumption was 407.0MB. Max. memory is 16.1GB. [2021-12-15 12:33:57,587 INFO L158 Benchmark]: TraceAbstraction took 278.09ms. Allocated memory is still 690.0MB. Free memory was 331.9MB in the beginning and 308.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:57,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1727.25ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 47.6MB in the beginning and 65.1MB in the end (delta: -17.5MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 302.81ms. Allocated memory is still 132.1MB. Free memory was 65.1MB in the beginning and 54.1MB in the end (delta: 11.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 320.21ms. Allocated memory is still 132.1MB. Free memory was 54.1MB in the beginning and 42.9MB in the end (delta: 11.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * RCFGBuilder took 37294.37ms. Allocated memory was 132.1MB in the beginning and 690.0MB in the end (delta: 557.8MB). Free memory was 42.9MB in the beginning and 332.9MB in the end (delta: -290.0MB). Peak memory consumption was 407.0MB. Max. memory is 16.1GB. * TraceAbstraction took 278.09ms. Allocated memory is still 690.0MB. Free memory was 331.9MB in the beginning and 308.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:57,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f1aff5e4c83d88c522badf0f4d59dd68712f74ddffe3a813d6da36b7733c959 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:59,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:59,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:59,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:59,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:59,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:59,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:59,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:59,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:59,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:59,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:59,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:59,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:59,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:59,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:59,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:59,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:59,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:59,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:59,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:59,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:59,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:59,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:59,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:59,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:59,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:59,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:59,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:59,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:59,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:59,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:59,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:59,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:59,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:59,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:59,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:59,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:59,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:59,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:59,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:59,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:59,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:59,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:59,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:59,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:59,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:59,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:59,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:59,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:59,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:59,662 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:59,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:59,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:59,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:59,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:59,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:59,664 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:59,664 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:59,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:59,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:59,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:59,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:59,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:59,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:59,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:59,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:59,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:59,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:59,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:59,667 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:59,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:59,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:59,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:59,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:59,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:59,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:59,668 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f1aff5e4c83d88c522badf0f4d59dd68712f74ddffe3a813d6da36b7733c959 [2021-12-15 12:33:59,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:00,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:00,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:00,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:00,011 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:00,012 INFO L432 ainManager$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 [2021-12-15 12:34:00,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8338d105c/9362e1104149421d9b3c6e1a4d95fcdc/FLAGb62360c35 [2021-12-15 12:34:00,930 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:00,930 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 [2021-12-15 12:34:00,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8338d105c/9362e1104149421d9b3c6e1a4d95fcdc/FLAGb62360c35 [2021-12-15 12:34:01,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8338d105c/9362e1104149421d9b3c6e1a4d95fcdc [2021-12-15 12:34:01,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:01,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:01,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:01,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:01,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:01,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:01" (1/1) ... [2021-12-15 12:34:01,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdfc914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:01, skipping insertion in model container [2021-12-15 12:34:01,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:01" (1/1) ... [2021-12-15 12:34:01,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:01,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:02,323 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] [2021-12-15 12:34:02,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:02,487 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:02,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:02,725 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] [2021-12-15 12:34:02,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:02,809 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:03,052 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] [2021-12-15 12:34:03,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:03,316 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:03,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03 WrapperNode [2021-12-15 12:34:03,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:03,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:03,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:03,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:03,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,586 INFO L137 Inliner]: procedures = 160, calls = 4198, calls flagged for inlining = 66, calls inlined = 64, statements flattened = 5249 [2021-12-15 12:34:03,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:03,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:03,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:03,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:03,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:03,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:03,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:03,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:03,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:03" (1/1) ... [2021-12-15 12:34:03,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:03,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:03,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:34:03,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:34:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 12:34:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 12:34:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-15 12:34:03,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-15 12:34:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:34:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:34:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure check_parms [2021-12-15 12:34:03,924 INFO L138 BoogieDeclarations]: Found implementation of procedure check_parms [2021-12-15 12:34:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_supply_msgs [2021-12-15 12:34:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_supply_msgs [2021-12-15 12:34:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure preaction_op [2021-12-15 12:34:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure preaction_op [2021-12-15 12:34:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-12-15 12:34:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-12-15 12:34:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:34:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:34:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_heartbeat [2021-12-15 12:34:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_heartbeat [2021-12-15 12:34:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_open [2021-12-15 12:34:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_open [2021-12-15 12:34:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure panic_smi_free [2021-12-15 12:34:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_smi_free [2021-12-15 12:34:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_watchdog [2021-12-15 12:34:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_watchdog [2021-12-15 12:34:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2021-12-15 12:34:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2021-12-15 12:34:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:34:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:34:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:34:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:34:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:34:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure action_op [2021-12-15 12:34:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure action_op [2021-12-15 12:34:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:34:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure panic_recv_free [2021-12-15 12:34:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_recv_free [2021-12-15 12:34:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 12:34:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 12:34:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 12:34:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 12:34:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-15 12:34:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-15 12:34:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:34:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:34:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure preop_op [2021-12-15 12:34:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure preop_op [2021-12-15 12:34:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2021-12-15 12:34:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2021-12-15 12:34:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-15 12:34:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-15 12:34:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:34:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_close [2021-12-15 12:34:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_close [2021-12-15 12:34:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_set_timeout [2021-12-15 12:34:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_set_timeout [2021-12-15 12:34:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 12:34:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 12:34:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-15 12:34:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-15 12:34:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_set_timeout [2021-12-15 12:34:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_set_timeout [2021-12-15 12:34:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll_interface [2021-12-15 12:34:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll_interface [2021-12-15 12:34:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 12:34:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 12:34:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:34:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_register_watchdog [2021-12-15 12:34:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_register_watchdog [2021-12-15 12:34:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-15 12:34:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-15 12:34:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:34:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:34:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:34:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_notifier_chain_unregister [2021-12-15 12:34:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_notifier_chain_unregister [2021-12-15 12:34:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:34:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:34:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure panic_halt_ipmi_set_timeout [2021-12-15 12:34:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_halt_ipmi_set_timeout [2021-12-15 12:34:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2021-12-15 12:34:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2021-12-15 12:34:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:34:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:34:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:34:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:34:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-15 12:34:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:34:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:34:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:04,380 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:04,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:06,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:34:06,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:34:09,048 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:09,081 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:34:09,081 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:34:10,870 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:10,878 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:10,882 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock.