./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.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 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 01:16:36,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:16:36,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:16:36,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:16:36,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:16:36,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:16:36,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:16:36,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:16:36,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:16:36,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:16:36,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:16:36,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:16:36,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:16:36,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:16:36,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:16:36,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:16:36,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:16:36,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:16:36,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:16:36,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:16:36,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:16:36,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:16:36,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:16:36,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:16:36,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:16:36,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:16:36,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:16:36,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:16:36,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:16:36,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:16:36,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:16:36,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:16:36,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:16:36,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:16:36,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:16:36,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:16:36,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:16:36,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:16:36,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:16:36,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:16:36,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:16:36,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 01:16:36,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:16:36,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:16:36,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:16:36,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:16:36,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:16:36,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:16:36,458 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 01:16:36,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:16:36,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:16:36,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:16:36,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:16:36,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:16:36,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:16:36,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:16:36,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:16:36,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:16:36,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:16:36,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 01:16:36,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:16:36,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:16:36,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:16:36,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:16:36,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:16:36,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 01:16:36,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:16:36,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 01:16:36,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 01:16:36,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:16:36,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:16:36,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 [2021-11-23 01:16:36,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:16:36,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:16:36,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:16:36,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:16:36,677 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:16:36,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2021-11-23 01:16:36,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c2a57d1/a63902870f8444a38e6b63645c1d5668/FLAGe9e4f226d [2021-11-23 01:16:37,348 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:16:37,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2021-11-23 01:16:37,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c2a57d1/a63902870f8444a38e6b63645c1d5668/FLAGe9e4f226d [2021-11-23 01:16:37,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0c2a57d1/a63902870f8444a38e6b63645c1d5668 [2021-11-23 01:16:37,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:16:37,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:16:37,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:37,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:16:37,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:16:37,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:37" (1/1) ... [2021-11-23 01:16:37,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e4eddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:37, skipping insertion in model container [2021-11-23 01:16:37,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:37" (1/1) ... [2021-11-23 01:16:37,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:16:37,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:16:39,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[299705,299718] [2021-11-23 01:16:39,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:39,590 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:16:39,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[299705,299718] [2021-11-23 01:16:39,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:39,969 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:16:39,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39 WrapperNode [2021-11-23 01:16:39,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:39,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:39,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:16:39,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:16:39,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:40,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:40,586 INFO L137 Inliner]: procedures = 314, calls = 3825, calls flagged for inlining = 779, calls inlined = 1768, statements flattened = 24860 [2021-11-23 01:16:40,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:40,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:16:40,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:16:40,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:16:40,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:40,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:40,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:40,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:41,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:41,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:41,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:41,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:16:41,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:16:41,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:16:41,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:16:41,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (1/1) ... [2021-11-23 01:16:41,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:16:41,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 01:16:41,480 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) [2021-11-23 01:16:41,539 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 [2021-11-23 01:16:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 01:16:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 01:16:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 01:16:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:16:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-23 01:16:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-23 01:16:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:16:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-23 01:16:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-23 01:16:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-23 01:16:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-23 01:16:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-23 01:16:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-23 01:16:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-23 01:16:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-23 01:16:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-23 01:16:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-23 01:16:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-23 01:16:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-23 01:16:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-23 01:16:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:16:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-23 01:16:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-23 01:16:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-23 01:16:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-23 01:16:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:16:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-23 01:16:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-23 01:16:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-23 01:16:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-23 01:16:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:16:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 01:16:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 01:16:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:16:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-23 01:16:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-23 01:16:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:16:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:16:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-23 01:16:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-23 01:16:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:16:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-23 01:16:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-23 01:16:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-23 01:16:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-23 01:16:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:16:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:16:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-23 01:16:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-23 01:16:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-23 01:16:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-23 01:16:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-23 01:16:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-23 01:16:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-23 01:16:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-23 01:16:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:16:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-23 01:16:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-23 01:16:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 01:16:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:16:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:16:42,498 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:16:42,500 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:06,464 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:06,501 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:06,501 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:17:06,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:06 BoogieIcfgContainer [2021-11-23 01:17:06,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:06,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:17:06,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:17:06,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:17:06,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:16:37" (1/3) ... [2021-11-23 01:17:06,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b93280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:17:06, skipping insertion in model container [2021-11-23 01:17:06,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:39" (2/3) ... [2021-11-23 01:17:06,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b93280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:17:06, skipping insertion in model container [2021-11-23 01:17:06,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:06" (3/3) ... [2021-11-23 01:17:06,522 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2021-11-23 01:17:06,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:17:06,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-23 01:17:06,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:17:06,597 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 [2021-11-23 01:17:06,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-23 01:17:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 4687 states, 4563 states have (on average 1.4740302432610124) internal successors, (6726), 4599 states have internal predecessors, (6726), 80 states have call successors, (80), 24 states have call predecessors, (80), 24 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2021-11-23 01:17:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 01:17:06,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:17:06,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:17:06,690 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [handle_lan_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_oem_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-23 01:17:06,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1278315981, now seen corresponding path program 1 times [2021-11-23 01:17:06,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:17:06,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960449699] [2021-11-23 01:17:06,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:17:06,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:07,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:17:07,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960449699] [2021-11-23 01:17:07,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960449699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:17:07,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:17:07,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:17:07,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24430980] [2021-11-23 01:17:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:17:07,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 01:17:07,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:17:07,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 01:17:07,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:17:07,401 INFO L87 Difference]: Start difference. First operand has 4687 states, 4563 states have (on average 1.4740302432610124) internal successors, (6726), 4599 states have internal predecessors, (6726), 80 states have call successors, (80), 24 states have call predecessors, (80), 24 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:17:07,552 INFO L93 Difference]: Finished difference Result 9351 states and 13779 transitions. [2021-11-23 01:17:07,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 01:17:07,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2021-11-23 01:17:07,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:17:07,587 INFO L225 Difference]: With dead ends: 9351 [2021-11-23 01:17:07,588 INFO L226 Difference]: Without dead ends: 4627 [2021-11-23 01:17:07,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:17:07,611 INFO L933 BasicCegarLoop]: 6779 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6779 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:17:07,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6779 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 01:17:07,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4627 states. [2021-11-23 01:17:07,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4627 to 4627. [2021-11-23 01:17:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4627 states, 4504 states have (on average 1.4547069271758437) internal successors, (6552), 4539 states have internal predecessors, (6552), 80 states have call successors, (80), 24 states have call predecessors, (80), 24 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2021-11-23 01:17:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4627 states and 6712 transitions. [2021-11-23 01:17:07,791 INFO L78 Accepts]: Start accepts. Automaton has 4627 states and 6712 transitions. Word has length 222 [2021-11-23 01:17:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:17:07,796 INFO L470 AbstractCegarLoop]: Abstraction has 4627 states and 6712 transitions. [2021-11-23 01:17:07,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4627 states and 6712 transitions. [2021-11-23 01:17:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 01:17:07,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:17:07,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:17:07,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:17:07,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [handle_lan_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_oem_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-23 01:17:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:07,804 INFO L85 PathProgramCache]: Analyzing trace with hash -95630855, now seen corresponding path program 1 times [2021-11-23 01:17:07,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:17:07,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900103222] [2021-11-23 01:17:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:17:07,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:08,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:17:08,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900103222] [2021-11-23 01:17:08,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900103222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:17:08,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:17:08,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:17:08,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393000568] [2021-11-23 01:17:08,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:17:08,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:17:08,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:17:08,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:17:08,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:17:08,611 INFO L87 Difference]: Start difference. First operand 4627 states and 6712 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:17:08,939 INFO L93 Difference]: Finished difference Result 11800 states and 17241 transitions. [2021-11-23 01:17:08,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:17:08,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2021-11-23 01:17:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:17:09,001 INFO L225 Difference]: With dead ends: 11800 [2021-11-23 01:17:09,001 INFO L226 Difference]: Without dead ends: 7370 [2021-11-23 01:17:09,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:17:09,014 INFO L933 BasicCegarLoop]: 6771 mSDtfsCounter, 4224 mSDsluCounter, 6498 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4224 SdHoareTripleChecker+Valid, 13269 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:17:09,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4224 Valid, 13269 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 01:17:09,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2021-11-23 01:17:09,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 7321. [2021-11-23 01:17:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7321 states, 7114 states have (on average 1.4644363227438852) internal successors, (10418), 7166 states have internal predecessors, (10418), 140 states have call successors, (140), 48 states have call predecessors, (140), 48 states have return successors, (140), 136 states have call predecessors, (140), 140 states have call successors, (140) [2021-11-23 01:17:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7321 states to 7321 states and 10698 transitions. [2021-11-23 01:17:09,206 INFO L78 Accepts]: Start accepts. Automaton has 7321 states and 10698 transitions. Word has length 222 [2021-11-23 01:17:09,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:17:09,206 INFO L470 AbstractCegarLoop]: Abstraction has 7321 states and 10698 transitions. [2021-11-23 01:17:09,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 7321 states and 10698 transitions. [2021-11-23 01:17:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 01:17:09,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:17:09,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:17:09,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:17:09,211 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [handle_lan_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_oem_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-23 01:17:09,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:09,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2110400969, now seen corresponding path program 1 times [2021-11-23 01:17:09,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:17:09,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211707295] [2021-11-23 01:17:09,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:17:09,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:09,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:17:09,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211707295] [2021-11-23 01:17:09,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211707295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:17:09,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:17:09,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:17:09,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352677862] [2021-11-23 01:17:09,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:17:09,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:17:09,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:17:09,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:17:09,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:09,550 INFO L87 Difference]: Start difference. First operand 7321 states and 10698 transitions. Second operand has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:10,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:17:10,536 INFO L93 Difference]: Finished difference Result 28097 states and 41429 transitions. [2021-11-23 01:17:10,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:17:10,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2021-11-23 01:17:10,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:17:10,612 INFO L225 Difference]: With dead ends: 28097 [2021-11-23 01:17:10,612 INFO L226 Difference]: Without dead ends: 20973 [2021-11-23 01:17:10,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:10,638 INFO L933 BasicCegarLoop]: 6944 mSDtfsCounter, 18591 mSDsluCounter, 18253 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18591 SdHoareTripleChecker+Valid, 25197 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:17:10,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18591 Valid, 25197 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 01:17:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20973 states. [2021-11-23 01:17:11,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20973 to 20899. [2021-11-23 01:17:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20899 states, 20322 states have (on average 1.4701308926286782) internal successors, (29876), 20440 states have internal predecessors, (29876), 414 states have call successors, (414), 144 states have call predecessors, (414), 144 states have return successors, (528), 402 states have call predecessors, (528), 414 states have call successors, (528) [2021-11-23 01:17:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20899 states to 20899 states and 30818 transitions. [2021-11-23 01:17:11,203 INFO L78 Accepts]: Start accepts. Automaton has 20899 states and 30818 transitions. Word has length 234 [2021-11-23 01:17:11,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:17:11,203 INFO L470 AbstractCegarLoop]: Abstraction has 20899 states and 30818 transitions. [2021-11-23 01:17:11,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 20899 states and 30818 transitions. [2021-11-23 01:17:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 01:17:11,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:17:11,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:17:11,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:17:11,207 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [handle_lan_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_oem_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-23 01:17:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:11,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1127947322, now seen corresponding path program 1 times [2021-11-23 01:17:11,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:17:11,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909449616] [2021-11-23 01:17:11,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:17:11,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:11,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:17:11,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909449616] [2021-11-23 01:17:11,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909449616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:17:11,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:17:11,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:17:11,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34542732] [2021-11-23 01:17:11,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:17:11,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:17:11,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:17:11,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:17:11,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:11,525 INFO L87 Difference]: Start difference. First operand 20899 states and 30818 transitions. Second operand has 5 states, 5 states have (on average 47.0) internal successors, (235), 5 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:17:13,094 INFO L93 Difference]: Finished difference Result 81383 states and 120983 transitions. [2021-11-23 01:17:13,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:17:13,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 5 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2021-11-23 01:17:13,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:17:13,298 INFO L225 Difference]: With dead ends: 81383 [2021-11-23 01:17:13,298 INFO L226 Difference]: Without dead ends: 60681 [2021-11-23 01:17:13,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:13,374 INFO L933 BasicCegarLoop]: 6881 mSDtfsCounter, 24811 mSDsluCounter, 12924 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24811 SdHoareTripleChecker+Valid, 19805 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:17:13,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24811 Valid, 19805 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 01:17:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60681 states. [2021-11-23 01:17:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60681 to 60607. [2021-11-23 01:17:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60607 states, 58932 states have (on average 1.47128894318876) internal successors, (86706), 59244 states have internal predecessors, (86706), 1224 states have call successors, (1224), 432 states have call predecessors, (1224), 432 states have return successors, (2124), 1188 states have call predecessors, (2124), 1224 states have call successors, (2124) [2021-11-23 01:17:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60607 states to 60607 states and 90054 transitions. [2021-11-23 01:17:14,828 INFO L78 Accepts]: Start accepts. Automaton has 60607 states and 90054 transitions. Word has length 235 [2021-11-23 01:17:14,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:17:14,829 INFO L470 AbstractCegarLoop]: Abstraction has 60607 states and 90054 transitions. [2021-11-23 01:17:14,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 5 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 60607 states and 90054 transitions. [2021-11-23 01:17:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 01:17:14,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:17:14,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:17:14,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:17:14,833 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [handle_lan_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_oem_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-23 01:17:14,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:14,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1562469983, now seen corresponding path program 1 times [2021-11-23 01:17:14,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:17:14,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293726041] [2021-11-23 01:17:14,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:17:14,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:15,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:17:15,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293726041] [2021-11-23 01:17:15,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293726041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:17:15,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:17:15,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:17:15,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456710169] [2021-11-23 01:17:15,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:17:15,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:17:15,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:17:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:17:15,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:15,134 INFO L87 Difference]: Start difference. First operand 60607 states and 90054 transitions. Second operand has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:19,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:17:19,201 INFO L93 Difference]: Finished difference Result 237205 states and 356295 transitions. [2021-11-23 01:17:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:17:19,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-11-23 01:17:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:17:19,885 INFO L225 Difference]: With dead ends: 237205 [2021-11-23 01:17:19,885 INFO L226 Difference]: Without dead ends: 176795 [2021-11-23 01:17:20,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:20,036 INFO L933 BasicCegarLoop]: 6851 mSDtfsCounter, 24899 mSDsluCounter, 12924 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24899 SdHoareTripleChecker+Valid, 19775 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:17:20,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24899 Valid, 19775 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 01:17:20,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176795 states. [2021-11-23 01:17:23,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176795 to 176721. [2021-11-23 01:17:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176721 states, 171788 states have (on average 1.4711504878105572) internal successors, (252726), 172670 states have internal predecessors, (252726), 3618 states have call successors, (3618), 1296 states have call predecessors, (3618), 1296 states have return successors, (9056), 3510 states have call predecessors, (9056), 3618 states have call successors, (9056) [2021-11-23 01:17:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176721 states to 176721 states and 265400 transitions. [2021-11-23 01:17:24,943 INFO L78 Accepts]: Start accepts. Automaton has 176721 states and 265400 transitions. Word has length 236 [2021-11-23 01:17:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:17:24,944 INFO L470 AbstractCegarLoop]: Abstraction has 176721 states and 265400 transitions. [2021-11-23 01:17:24,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 176721 states and 265400 transitions. [2021-11-23 01:17:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:17:24,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:17:24,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:17:24,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 01:17:24,947 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [handle_lan_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_oem_get_msg_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-23 01:17:24,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash 933940260, now seen corresponding path program 1 times [2021-11-23 01:17:24,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:17:24,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300848686] [2021-11-23 01:17:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:17:24,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:25,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:17:25,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300848686] [2021-11-23 01:17:25,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300848686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:17:25,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:17:25,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:17:25,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419073650] [2021-11-23 01:17:25,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:17:25,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:17:25,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:17:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:17:25,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:25,263 INFO L87 Difference]: Start difference. First operand 176721 states and 265400 transitions. Second operand has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:17:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:17:34,721 INFO L93 Difference]: Finished difference Result 691111 states and 1055035 transitions. [2021-11-23 01:17:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:17:34,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 237 [2021-11-23 01:17:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:17:37,263 INFO L225 Difference]: With dead ends: 691111 [2021-11-23 01:17:37,263 INFO L226 Difference]: Without dead ends: 514587 [2021-11-23 01:17:37,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:17:37,724 INFO L933 BasicCegarLoop]: 6821 mSDtfsCounter, 24987 mSDsluCounter, 12924 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24987 SdHoareTripleChecker+Valid, 19745 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:17:37,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24987 Valid, 19745 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 01:17:38,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514587 states. [2021-11-23 01:17:48,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514587 to 514513. [2021-11-23 01:17:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514513 states, 499986 states have (on average 1.4707011796330298) internal successors, (735330), 502529 states have internal predecessors, (735330), 10644 states have call successors, (10644), 3864 states have call predecessors, (10644), 3864 states have return successors, (40067), 10322 states have call predecessors, (40067), 10644 states have call successors, (40067)