./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:16,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:16,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:16,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:16,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:16,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:16,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:16,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:16,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:16,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:16,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:16,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:16,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:16,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:16,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:16,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:16,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:16,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:16,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:16,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:16,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:16,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:16,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:16,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:16,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:16,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:16,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:16,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:16,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:16,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:16,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:16,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:16,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:16,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:16,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:16,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:16,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:16,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:16,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:16,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:16,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:16,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:02:16,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:16,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:16,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:16,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:16,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:16,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:16,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:16,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:16,690 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:16,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:16,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:02:16,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:16,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:16,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:16,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:16,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:16,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:16,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:16,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:16,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:16,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:16,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:16,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:16,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:16,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:16,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:02:16,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:02:16,695 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:16,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:16,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:16,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:16,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2021-12-15 13:02:16,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:16,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:16,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:16,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:16,921 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:16,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-12-15 13:02:16,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55c7b1aaa/05e3b631e14348ef81b5c893a7bcf4ef/FLAGf10f30a80 [2021-12-15 13:02:17,562 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:17,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-12-15 13:02:17,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55c7b1aaa/05e3b631e14348ef81b5c893a7bcf4ef/FLAGf10f30a80 [2021-12-15 13:02:18,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55c7b1aaa/05e3b631e14348ef81b5c893a7bcf4ef [2021-12-15 13:02:18,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:18,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:18,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:18,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:18,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:18,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d7a6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18, skipping insertion in model container [2021-12-15 13:02:18,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:18,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:19,485 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-12-15 13:02:19,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:19,637 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:19,917 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-12-15 13:02:19,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:19,999 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:20,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20 WrapperNode [2021-12-15 13:02:20,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:20,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:20,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:20,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:20,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,223 INFO L137 Inliner]: procedures = 389, calls = 2919, calls flagged for inlining = 156, calls inlined = 64, statements flattened = 3287 [2021-12-15 13:02:20,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:20,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:20,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:20,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:20,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:20,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:20,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:20,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:20,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:20,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:20,448 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 13:02:20,501 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 13:02:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-12-15 13:02:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-12-15 13:02:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:02:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:02:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-12-15 13:02:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-12-15 13:02:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-12-15 13:02:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-12-15 13:02:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 13:02:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 13:02:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-12-15 13:02:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-12-15 13:02:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-12-15 13:02:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-12-15 13:02:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:02:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:02:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-12-15 13:02:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-12-15 13:02:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-15 13:02:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-15 13:02:20,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:02:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:02:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-12-15 13:02:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-12-15 13:02:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2021-12-15 13:02:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2021-12-15 13:02:20,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:02:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:02:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:02:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:02:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-12-15 13:02:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-12-15 13:02:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:02:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-12-15 13:02:20,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-12-15 13:02:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:02:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-15 13:02:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-15 13:02:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:02:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:02:20,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:02:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-12-15 13:02:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-12-15 13:02:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 13:02:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 13:02:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 13:02:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 13:02:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-15 13:02:20,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-15 13:02:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:20,538 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-12-15 13:02:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-12-15 13:02:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-15 13:02:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-15 13:02:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-12-15 13:02:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-12-15 13:02:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:02:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:02:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:02:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-12-15 13:02:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-12-15 13:02:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:02:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:02:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 13:02:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 13:02:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-12-15 13:02:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-12-15 13:02:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-12-15 13:02:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-12-15 13:02:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:02:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:02:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-12-15 13:02:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-12-15 13:02:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:02:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-15 13:02:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-15 13:02:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:02:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:02:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-12-15 13:02:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-12-15 13:02:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:02:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:02:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-12-15 13:02:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-12-15 13:02:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:02:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:02:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-12-15 13:02:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-12-15 13:02:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-12-15 13:02:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-12-15 13:02:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-12-15 13:02:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-12-15 13:02:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:02:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:02:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-12-15 13:02:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-12-15 13:02:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-12-15 13:02:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-12-15 13:02:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-15 13:02:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-15 13:02:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 13:02:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 13:02:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-12-15 13:02:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-12-15 13:02:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-15 13:02:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-15 13:02:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-12-15 13:02:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-12-15 13:02:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:02:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:02:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:02:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-12-15 13:02:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-12-15 13:02:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-12-15 13:02:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-12-15 13:02:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-15 13:02:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-15 13:02:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:02:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:02:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-12-15 13:02:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-12-15 13:02:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:02:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:02:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-12-15 13:02:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-12-15 13:02:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-15 13:02:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-15 13:02:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:02:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:02:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:02:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:02:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-12-15 13:02:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-12-15 13:02:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-12-15 13:02:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-12-15 13:02:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-15 13:02:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-15 13:02:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:02:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-12-15 13:02:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-12-15 13:02:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-15 13:02:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:02:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:02:21,082 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:21,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:27,135 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:27,146 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:27,147 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:02:27,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:27 BoogieIcfgContainer [2021-12-15 13:02:27,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:27,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:27,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:27,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:27,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:18" (1/3) ... [2021-12-15 13:02:27,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b032bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:27, skipping insertion in model container [2021-12-15 13:02:27,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (2/3) ... [2021-12-15 13:02:27,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b032bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:27, skipping insertion in model container [2021-12-15 13:02:27,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:27" (3/3) ... [2021-12-15 13:02:27,156 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-12-15 13:02:27,160 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:27,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:27,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:27,202 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 13:02:27,202 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 1221 states, 841 states have (on average 1.3626634958382877) internal successors, (1146), 891 states have internal predecessors, (1146), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) [2021-12-15 13:02:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:27,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:27,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:27,236 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:27,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:27,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1371765540, now seen corresponding path program 1 times [2021-12-15 13:02:27,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:02:27,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937893439] [2021-12-15 13:02:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:27,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:02:27,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:02:27,317 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 13:02:27,321 INFO L158 Benchmark]: Toolchain (without parser) took 9317.02ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 65.7MB in the beginning and 135.6MB in the end (delta: -69.9MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:27,322 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:27,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1996.13ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 65.5MB in the beginning and 67.1MB in the end (delta: -1.6MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2021-12-15 13:02:27,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.65ms. Allocated memory is still 169.9MB. Free memory was 67.1MB in the beginning and 88.0MB in the end (delta: -20.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:27,323 INFO L158 Benchmark]: Boogie Preprocessor took 173.46ms. Allocated memory is still 169.9MB. Free memory was 88.0MB in the beginning and 62.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:02:27,324 INFO L158 Benchmark]: RCFGBuilder took 6750.85ms. Allocated memory was 169.9MB in the beginning and 268.4MB in the end (delta: 98.6MB). Free memory was 62.6MB in the beginning and 156.6MB in the end (delta: -94.0MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2021-12-15 13:02:27,324 INFO L158 Benchmark]: TraceAbstraction took 168.87ms. Allocated memory is still 268.4MB. Free memory was 156.6MB in the beginning and 135.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 13:02:27,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1996.13ms. Allocated memory was 109.1MB in the beginning and 169.9MB in the end (delta: 60.8MB). Free memory was 65.5MB in the beginning and 67.1MB in the end (delta: -1.6MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.65ms. Allocated memory is still 169.9MB. Free memory was 67.1MB in the beginning and 88.0MB in the end (delta: -20.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.46ms. Allocated memory is still 169.9MB. Free memory was 88.0MB in the beginning and 62.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6750.85ms. Allocated memory was 169.9MB in the beginning and 268.4MB in the end (delta: 98.6MB). Free memory was 62.6MB in the beginning and 156.6MB in the end (delta: -94.0MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * TraceAbstraction took 168.87ms. Allocated memory is still 268.4MB. Free memory was 156.6MB in the beginning and 135.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. 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 13:02:27,360 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:29,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:29,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:29,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:29,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:29,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:29,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:29,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:29,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:29,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:29,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:29,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:29,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:29,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:29,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:29,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:29,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:29,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:29,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:29,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:29,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:29,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:29,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:29,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:29,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:29,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:29,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:29,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:29,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:29,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:29,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:29,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:29,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:29,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:29,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:29,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:29,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:29,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:29,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:29,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:29,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:29,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:02:29,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:29,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:29,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:29,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:29,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:29,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:29,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:29,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:29,268 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:29,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:29,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:29,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:29,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:29,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:29,270 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:02:29,270 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:02:29,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:02:29,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:29,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:29,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:29,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:29,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:29,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:29,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:29,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:29,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:29,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:29,272 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:02:29,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:02:29,272 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:29,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:29,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:29,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:29,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:02:29,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2021-12-15 13:02:29,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:29,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:29,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:29,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:29,598 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:29,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-12-15 13:02:29,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c9056c1/14ebf0259ba24897a034f3dfb18585fa/FLAGff2ce6d6f [2021-12-15 13:02:30,414 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:30,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-12-15 13:02:30,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c9056c1/14ebf0259ba24897a034f3dfb18585fa/FLAGff2ce6d6f [2021-12-15 13:02:30,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c9056c1/14ebf0259ba24897a034f3dfb18585fa [2021-12-15 13:02:30,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:30,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:30,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:30,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:30,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:30,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:30" (1/1) ... [2021-12-15 13:02:30,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2451633a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:30, skipping insertion in model container [2021-12-15 13:02:30,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:30" (1/1) ... [2021-12-15 13:02:30,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:30,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:32,329 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-12-15 13:02:32,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:32,507 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:02:32,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:32,760 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-12-15 13:02:32,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:32,783 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:33,136 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-12-15 13:02:33,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:33,221 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:33,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33 WrapperNode [2021-12-15 13:02:33,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:33,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:33,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:33,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:33,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,424 INFO L137 Inliner]: procedures = 403, calls = 2917, calls flagged for inlining = 154, calls inlined = 64, statements flattened = 3197 [2021-12-15 13:02:33,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:33,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:33,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:33,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:33,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:33,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:33,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:33,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:33,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (1/1) ... [2021-12-15 13:02:33,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:33,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:33,657 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 13:02:33,686 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 13:02:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-12-15 13:02:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-12-15 13:02:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:02:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:02:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-12-15 13:02:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-12-15 13:02:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-12-15 13:02:33,722 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-12-15 13:02:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-12-15 13:02:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-12-15 13:02:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-12-15 13:02:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-12-15 13:02:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:02:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:02:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-12-15 13:02:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-12-15 13:02:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-15 13:02:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-15 13:02:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:02:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:02:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-12-15 13:02:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-12-15 13:02:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:33,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-12-15 13:02:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:02:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:02:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:02:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2021-12-15 13:02:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2021-12-15 13:02:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:02:33,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:02:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:02:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:02:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-12-15 13:02:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-12-15 13:02:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-12-15 13:02:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-12-15 13:02:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-15 13:02:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-15 13:02:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:02:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:02:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-12-15 13:02:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-12-15 13:02:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 13:02:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 13:02:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 13:02:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 13:02:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-15 13:02:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-15 13:02:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-12-15 13:02:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-12-15 13:02:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-15 13:02:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-15 13:02:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-12-15 13:02:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-12-15 13:02:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:02:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:02:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:02:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:02:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:02:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:02:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-12-15 13:02:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-12-15 13:02:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:02:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:02:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 13:02:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 13:02:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-12-15 13:02:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-12-15 13:02:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-12-15 13:02:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-12-15 13:02:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:02:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:02:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-12-15 13:02:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-12-15 13:02:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:02:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:02:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:02:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-15 13:02:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-15 13:02:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:02:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:02:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:02:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:02:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:02:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-12-15 13:02:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-12-15 13:02:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-12-15 13:02:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-12-15 13:02:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:02:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:02:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-12-15 13:02:33,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-12-15 13:02:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:02:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:02:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-12-15 13:02:33,741 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-12-15 13:02:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:02:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:02:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:02:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:02:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-12-15 13:02:33,747 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-12-15 13:02:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-12-15 13:02:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-12-15 13:02:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:02:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:02:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-12-15 13:02:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-12-15 13:02:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-12-15 13:02:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-12-15 13:02:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-15 13:02:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-15 13:02:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 13:02:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 13:02:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-12-15 13:02:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-12-15 13:02:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-12-15 13:02:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-12-15 13:02:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:02:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:02:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:02:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:02:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:02:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:02:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-12-15 13:02:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-12-15 13:02:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-12-15 13:02:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-12-15 13:02:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-15 13:02:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-15 13:02:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:02:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:02:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-12-15 13:02:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-12-15 13:02:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:02:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:02:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-12-15 13:02:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-12-15 13:02:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-12-15 13:02:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-12-15 13:02:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-15 13:02:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-15 13:02:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:02:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:02:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:02:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:02:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-12-15 13:02:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-12-15 13:02:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-12-15 13:02:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-12-15 13:02:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-15 13:02:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-15 13:02:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-12-15 13:02:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-12-15 13:02:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-15 13:02:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:02:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:02:34,296 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:34,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:24,821 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:24,858 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:24,858 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:24,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:24 BoogieIcfgContainer [2021-12-15 13:03:24,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:24,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:24,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:24,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:24,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:30" (1/3) ... [2021-12-15 13:03:24,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5c56b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:24, skipping insertion in model container [2021-12-15 13:03:24,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:33" (2/3) ... [2021-12-15 13:03:24,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5c56b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:24, skipping insertion in model container [2021-12-15 13:03:24,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:24" (3/3) ... [2021-12-15 13:03:24,879 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-12-15 13:03:24,883 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:24,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:24,917 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:24,922 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 13:03:24,922 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 1221 states, 841 states have (on average 1.3626634958382877) internal successors, (1146), 891 states have internal predecessors, (1146), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) [2021-12-15 13:03:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:03:24,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:24,956 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:24,956 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1548410224, now seen corresponding path program 1 times [2021-12-15 13:03:24,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:03:24,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694488952] [2021-12-15 13:03:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:24,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:03:24,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:03:25,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:03:25,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:03:25,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 13:03:25,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:03:25,561 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.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.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 13:03:25,566 INFO L158 Benchmark]: Toolchain (without parser) took 54878.56ms. Allocated memory was 56.6MB in the beginning and 578.8MB in the end (delta: 522.2MB). Free memory was 34.4MB in the beginning and 465.9MB in the end (delta: -431.5MB). Peak memory consumption was 201.2MB. Max. memory is 16.1GB. [2021-12-15 13:03:25,567 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:25,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2549.90ms. Allocated memory was 56.6MB in the beginning and 161.5MB in the end (delta: 104.9MB). Free memory was 34.3MB in the beginning and 98.2MB in the end (delta: -63.9MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:25,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.00ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 77.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:25,571 INFO L158 Benchmark]: Boogie Preprocessor took 194.22ms. Allocated memory is still 161.5MB. Free memory was 77.2MB in the beginning and 51.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:03:25,572 INFO L158 Benchmark]: RCFGBuilder took 51241.44ms. Allocated memory was 161.5MB in the beginning and 316.7MB in the end (delta: 155.2MB). Free memory was 51.0MB in the beginning and 115.8MB in the end (delta: -64.8MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:25,573 INFO L158 Benchmark]: TraceAbstraction took 701.33ms. Allocated memory was 316.7MB in the beginning and 578.8MB in the end (delta: 262.1MB). Free memory was 114.8MB in the beginning and 465.9MB in the end (delta: -351.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 13:03:25,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2549.90ms. Allocated memory was 56.6MB in the beginning and 161.5MB in the end (delta: 104.9MB). Free memory was 34.3MB in the beginning and 98.2MB in the end (delta: -63.9MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.00ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 77.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.22ms. Allocated memory is still 161.5MB. Free memory was 77.2MB in the beginning and 51.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 51241.44ms. Allocated memory was 161.5MB in the beginning and 316.7MB in the end (delta: 155.2MB). Free memory was 51.0MB in the beginning and 115.8MB in the end (delta: -64.8MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. * TraceAbstraction took 701.33ms. Allocated memory was 316.7MB in the beginning and 578.8MB in the end (delta: 262.1MB). Free memory was 114.8MB in the beginning and 465.9MB in the end (delta: -351.2MB). 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 13:03:25,642 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable