./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 5f08f0f0 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-wip.dd.seqcomp-5f08f0f [2021-11-05 18:54:26,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 18:54:26,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 18:54:26,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 18:54:26,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 18:54:26,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 18:54:26,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 18:54:26,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 18:54:26,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 18:54:26,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 18:54:26,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 18:54:26,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 18:54:26,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 18:54:26,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 18:54:26,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 18:54:26,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 18:54:26,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 18:54:26,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 18:54:26,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 18:54:26,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 18:54:26,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 18:54:26,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 18:54:26,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 18:54:26,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 18:54:26,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 18:54:26,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 18:54:26,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 18:54:26,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 18:54:26,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 18:54:26,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 18:54:26,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 18:54:26,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 18:54:26,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 18:54:26,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 18:54:26,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 18:54:26,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 18:54:26,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 18:54:26,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 18:54:26,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 18:54:26,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 18:54:26,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 18:54:26,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 18:54:26,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 18:54:26,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 18:54:26,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 18:54:26,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 18:54:26,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 18:54:26,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 18:54:26,700 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 18:54:26,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 18:54:26,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 18:54:26,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 18:54:26,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 18:54:26,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 18:54:26,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 18:54:26,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 18:54:26,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 18:54:26,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 18:54:26,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 18:54:26,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 18:54:26,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 18:54:26,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:54:26,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 18:54:26,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 18:54:26,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 18:54:26,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 18:54:26,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 18:54:26,703 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 18:54:26,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 18:54:26,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 18:54:26,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 18:54:26,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 [2021-11-05 18:54:26,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 18:54:26,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 18:54:26,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 18:54:26,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 18:54:26,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 18:54:26,978 INFO L432 ainManager$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 [2021-11-05 18:54:27,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011ea9209/c29a587b60154884b750b8d6576d5981/FLAGc04edef61 [2021-11-05 18:54:27,721 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 18:54:27,721 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 [2021-11-05 18:54:27,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011ea9209/c29a587b60154884b750b8d6576d5981/FLAGc04edef61 [2021-11-05 18:54:28,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011ea9209/c29a587b60154884b750b8d6576d5981 [2021-11-05 18:54:28,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 18:54:28,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 18:54:28,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 18:54:28,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 18:54:28,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 18:54:28,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:54:28" (1/1) ... [2021-11-05 18:54:28,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1318e73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:28, skipping insertion in model container [2021-11-05 18:54:28,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:54:28" (1/1) ... [2021-11-05 18:54:28,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 18:54:28,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 18:54:29,598 WARN L228 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] [2021-11-05 18:54:29,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:54:29,708 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 18:54:30,052 WARN L228 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] [2021-11-05 18:54:30,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:54:30,151 INFO L208 MainTranslator]: Completed translation [2021-11-05 18:54:30,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30 WrapperNode [2021-11-05 18:54:30,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 18:54:30,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 18:54:30,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 18:54:30,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 18:54:30,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:30,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:30,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 18:54:30,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 18:54:30,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 18:54:30,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 18:54:30,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:30,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 18:54:31,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 18:54:31,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 18:54:31,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 18:54:31,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (1/1) ... [2021-11-05 18:54:31,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:54:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:54:31,572 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) [2021-11-05 18:54:31,581 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 [2021-11-05 18:54:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-05 18:54:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-05 18:54:31,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-05 18:54:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 18:54:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-05 18:54:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-05 18:54:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 18:54:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-05 18:54:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-05 18:54:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-05 18:54:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-05 18:54:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-05 18:54:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-05 18:54:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-05 18:54:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-05 18:54:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-05 18:54:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-05 18:54:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-05 18:54:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-05 18:54:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 18:54:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 18:54:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-05 18:54:31,604 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-05 18:54:31,604 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-05 18:54:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-05 18:54:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-05 18:54:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 18:54:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-05 18:54:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-05 18:54:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-05 18:54:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-05 18:54:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 18:54:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-05 18:54:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-05 18:54:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 18:54:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-05 18:54:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-05 18:54:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 18:54:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-05 18:54:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-05 18:54:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 18:54:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-05 18:54:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-05 18:54:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-05 18:54:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-05 18:54:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 18:54:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 18:54:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-05 18:54:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-05 18:54:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-05 18:54:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-05 18:54:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-05 18:54:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-05 18:54:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-05 18:54:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-05 18:54:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 18:54:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-05 18:54:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-05 18:54:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-05 18:54:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 18:54:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 18:54:58,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 18:54:58,374 INFO L299 CfgBuilder]: Removed 3536 assume(true) statements. [2021-11-05 18:54:58,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:54:58 BoogieIcfgContainer [2021-11-05 18:54:58,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 18:54:58,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 18:54:58,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 18:54:58,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 18:54:58,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:54:28" (1/3) ... [2021-11-05 18:54:58,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc4979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:54:58, skipping insertion in model container [2021-11-05 18:54:58,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:54:30" (2/3) ... [2021-11-05 18:54:58,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc4979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:54:58, skipping insertion in model container [2021-11-05 18:54:58,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:54:58" (3/3) ... [2021-11-05 18:54:58,385 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2021-11-05 18:54:58,389 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 18:54:58,389 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-05 18:54:58,444 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 18:54:58,450 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 [2021-11-05 18:54:58,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-05 18:54:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 4153 states, 4029 states have (on average 1.5368577810871185) internal successors, (6192), 4069 states have internal predecessors, (6192), 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) [2021-11-05 18:54:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-05 18:54:58,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:54:58,536 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] [2021-11-05 18:54:58,537 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)] === [2021-11-05 18:54:58,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:54:58,541 INFO L85 PathProgramCache]: Analyzing trace with hash -889034556, now seen corresponding path program 1 times [2021-11-05 18:54:58,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:54:58,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678955889] [2021-11-05 18:54:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:54:58,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:54:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:54:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:54:59,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:54:59,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678955889] [2021-11-05 18:54:59,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678955889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:54:59,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:54:59,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:54:59,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426361061] [2021-11-05 18:54:59,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:54:59,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 18:54:59,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:54:59,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 18:54:59,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 18:54:59,252 INFO L87 Difference]: Start difference. First operand has 4153 states, 4029 states have (on average 1.5368577810871185) internal successors, (6192), 4069 states have internal predecessors, (6192), 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) [2021-11-05 18:54:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:54:59,396 INFO L93 Difference]: Finished difference Result 8302 states and 12730 transitions. [2021-11-05 18:54:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 18:54:59,398 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 [2021-11-05 18:54:59,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:54:59,427 INFO L225 Difference]: With dead ends: 8302 [2021-11-05 18:54:59,427 INFO L226 Difference]: Without dead ends: 4113 [2021-11-05 18:54:59,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 18:54:59,445 INFO L933 BasicCegarLoop]: 6264 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 18:54:59,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6264 Invalid, 0 Unknown, 0 Unchecked, 10.08ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 18:54:59,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2021-11-05 18:54:59,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 4113. [2021-11-05 18:54:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 3990 states have (on average 1.5132832080200502) internal successors, (6038), 4029 states have internal predecessors, (6038), 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) [2021-11-05 18:54:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 6198 transitions. [2021-11-05 18:54:59,638 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 6198 transitions. Word has length 222 [2021-11-05 18:54:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:54:59,639 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 6198 transitions. [2021-11-05 18:54:59,640 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) [2021-11-05 18:54:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 6198 transitions. [2021-11-05 18:54:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-05 18:54:59,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:54:59,647 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] [2021-11-05 18:54:59,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 18:54:59,648 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)] === [2021-11-05 18:54:59,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:54:59,648 INFO L85 PathProgramCache]: Analyzing trace with hash -811122806, now seen corresponding path program 1 times [2021-11-05 18:54:59,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:54:59,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225968845] [2021-11-05 18:54:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:54:59,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:54:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:55:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:55:00,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:55:00,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225968845] [2021-11-05 18:55:00,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225968845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:55:00,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:55:00,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:55:00,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324206666] [2021-11-05 18:55:00,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:55:00,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:55:00,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:55:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:55:00,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:55:00,101 INFO L87 Difference]: Start difference. First operand 4113 states and 6198 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) [2021-11-05 18:55:00,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:55:00,385 INFO L93 Difference]: Finished difference Result 10445 states and 15886 transitions. [2021-11-05 18:55:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:55:00,386 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 [2021-11-05 18:55:00,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:55:00,600 INFO L225 Difference]: With dead ends: 10445 [2021-11-05 18:55:00,600 INFO L226 Difference]: Without dead ends: 6529 [2021-11-05 18:55:00,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:55:00,610 INFO L933 BasicCegarLoop]: 6257 mSDtfsCounter, 3897 mSDsluCounter, 5984 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 12241 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.98ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.86ms IncrementalHoareTripleChecker+Time [2021-11-05 18:55:00,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3897 Valid, 12241 Invalid, 8 Unknown, 0 Unchecked, 20.98ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 125.86ms Time] [2021-11-05 18:55:00,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2021-11-05 18:55:00,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 6480. [2021-11-05 18:55:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6480 states, 6273 states have (on average 1.5267017376056113) internal successors, (9577), 6329 states have internal predecessors, (9577), 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) [2021-11-05 18:55:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6480 states to 6480 states and 9857 transitions. [2021-11-05 18:55:00,777 INFO L78 Accepts]: Start accepts. Automaton has 6480 states and 9857 transitions. Word has length 222 [2021-11-05 18:55:00,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:55:00,779 INFO L470 AbstractCegarLoop]: Abstraction has 6480 states and 9857 transitions. [2021-11-05 18:55:00,779 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) [2021-11-05 18:55:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6480 states and 9857 transitions. [2021-11-05 18:55:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-05 18:55:00,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:55:00,782 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] [2021-11-05 18:55:00,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 18:55:00,783 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)] === [2021-11-05 18:55:00,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:55:00,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1628927213, now seen corresponding path program 1 times [2021-11-05 18:55:00,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:55:00,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199107644] [2021-11-05 18:55:00,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:55:00,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:55:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:55:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:55:01,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:55:01,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199107644] [2021-11-05 18:55:01,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199107644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:55:01,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:55:01,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:55:01,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019103587] [2021-11-05 18:55:01,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:55:01,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:55:01,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:55:01,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:55:01,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:01,207 INFO L87 Difference]: Start difference. First operand 6480 states and 9857 transitions. Second operand has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 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) [2021-11-05 18:55:03,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:55:04,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:55:04,524 INFO L93 Difference]: Finished difference Result 24829 states and 38161 transitions. [2021-11-05 18:55:04,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:55:04,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 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 232 [2021-11-05 18:55:04,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:55:04,618 INFO L225 Difference]: With dead ends: 24829 [2021-11-05 18:55:04,619 INFO L226 Difference]: Without dead ends: 18546 [2021-11-05 18:55:04,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.10ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:04,641 INFO L933 BasicCegarLoop]: 6408 mSDtfsCounter, 11535 mSDsluCounter, 22832 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2638.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11535 SdHoareTripleChecker+Valid, 29240 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.59ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2860.49ms IncrementalHoareTripleChecker+Time [2021-11-05 18:55:04,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11535 Valid, 29240 Invalid, 625 Unknown, 0 Unchecked, 66.59ms Time], IncrementalHoareTripleChecker [19 Valid, 605 Invalid, 1 Unknown, 0 Unchecked, 2860.49ms Time] [2021-11-05 18:55:04,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18546 states. [2021-11-05 18:55:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18546 to 18472. [2021-11-05 18:55:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18472 states, 17895 states have (on average 1.5338921486448729) internal successors, (27449), 18025 states have internal predecessors, (27449), 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) [2021-11-05 18:55:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18472 states to 18472 states and 28391 transitions. [2021-11-05 18:55:05,049 INFO L78 Accepts]: Start accepts. Automaton has 18472 states and 28391 transitions. Word has length 232 [2021-11-05 18:55:05,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:55:05,050 INFO L470 AbstractCegarLoop]: Abstraction has 18472 states and 28391 transitions. [2021-11-05 18:55:05,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 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) [2021-11-05 18:55:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 18472 states and 28391 transitions. [2021-11-05 18:55:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-05 18:55:05,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:55:05,053 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] [2021-11-05 18:55:05,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 18:55:05,054 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)] === [2021-11-05 18:55:05,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:55:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash 800074059, now seen corresponding path program 1 times [2021-11-05 18:55:05,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:55:05,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998651854] [2021-11-05 18:55:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:55:05,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:55:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:55:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:55:05,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:55:05,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998651854] [2021-11-05 18:55:05,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998651854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:55:05,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:55:05,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:55:05,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764868806] [2021-11-05 18:55:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:55:05,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:55:05,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:55:05,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:55:05,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:05,413 INFO L87 Difference]: Start difference. First operand 18472 states and 28391 transitions. Second operand has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 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) [2021-11-05 18:55:07,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:55:09,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:55:09,186 INFO L93 Difference]: Finished difference Result 71917 states and 111517 transitions. [2021-11-05 18:55:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:55:09,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 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 233 [2021-11-05 18:55:09,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:55:09,356 INFO L225 Difference]: With dead ends: 71917 [2021-11-05 18:55:09,356 INFO L226 Difference]: Without dead ends: 53642 [2021-11-05 18:55:09,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.93ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:09,430 INFO L933 BasicCegarLoop]: 6367 mSDtfsCounter, 17206 mSDsluCounter, 17580 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 174 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2650.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17206 SdHoareTripleChecker+Valid, 23947 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.16ms SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2844.14ms IncrementalHoareTripleChecker+Time [2021-11-05 18:55:09,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17206 Valid, 23947 Invalid, 556 Unknown, 0 Unchecked, 54.16ms Time], IncrementalHoareTripleChecker [174 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 2844.14ms Time] [2021-11-05 18:55:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53642 states. [2021-11-05 18:55:10,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53642 to 53568. [2021-11-05 18:55:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53568 states, 51893 states have (on average 1.5352166958934732) internal successors, (79667), 52241 states have internal predecessors, (79667), 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) [2021-11-05 18:55:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53568 states to 53568 states and 83015 transitions. [2021-11-05 18:55:11,039 INFO L78 Accepts]: Start accepts. Automaton has 53568 states and 83015 transitions. Word has length 233 [2021-11-05 18:55:11,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:55:11,040 INFO L470 AbstractCegarLoop]: Abstraction has 53568 states and 83015 transitions. [2021-11-05 18:55:11,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 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) [2021-11-05 18:55:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 53568 states and 83015 transitions. [2021-11-05 18:55:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-05 18:55:11,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:55:11,043 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] [2021-11-05 18:55:11,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 18:55:11,043 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)] === [2021-11-05 18:55:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:55:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash 875430804, now seen corresponding path program 1 times [2021-11-05 18:55:11,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:55:11,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47150104] [2021-11-05 18:55:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:55:11,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:55:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:55:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:55:11,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:55:11,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47150104] [2021-11-05 18:55:11,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47150104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:55:11,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:55:11,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:55:11,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964258615] [2021-11-05 18:55:11,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:55:11,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:55:11,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:55:11,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:55:11,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:11,377 INFO L87 Difference]: Start difference. First operand 53568 states and 83015 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) [2021-11-05 18:55:13,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:55:16,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:55:16,653 INFO L93 Difference]: Finished difference Result 209729 states and 328819 transitions. [2021-11-05 18:55:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:55:16,656 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 [2021-11-05 18:55:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:55:17,251 INFO L225 Difference]: With dead ends: 209729 [2021-11-05 18:55:17,253 INFO L226 Difference]: Without dead ends: 156358 [2021-11-05 18:55:17,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.07ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:17,403 INFO L933 BasicCegarLoop]: 6337 mSDtfsCounter, 22945 mSDsluCounter, 11899 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 329 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2763.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22945 SdHoareTripleChecker+Valid, 18236 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.45ms SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3010.59ms IncrementalHoareTripleChecker+Time [2021-11-05 18:55:17,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22945 Valid, 18236 Invalid, 651 Unknown, 0 Unchecked, 29.45ms Time], IncrementalHoareTripleChecker [329 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 3010.59ms Time] [2021-11-05 18:55:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156358 states. [2021-11-05 18:55:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156358 to 156284. [2021-11-05 18:55:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156284 states, 151351 states have (on average 1.5347701700021803) internal successors, (232289), 152341 states have internal predecessors, (232289), 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) [2021-11-05 18:55:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156284 states to 156284 states and 244963 transitions. [2021-11-05 18:55:21,639 INFO L78 Accepts]: Start accepts. Automaton has 156284 states and 244963 transitions. Word has length 234 [2021-11-05 18:55:21,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:55:21,639 INFO L470 AbstractCegarLoop]: Abstraction has 156284 states and 244963 transitions. [2021-11-05 18:55:21,640 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) [2021-11-05 18:55:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 156284 states and 244963 transitions. [2021-11-05 18:55:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-05 18:55:21,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:55:21,642 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] [2021-11-05 18:55:21,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 18:55:21,643 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)] === [2021-11-05 18:55:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:55:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1083476654, now seen corresponding path program 1 times [2021-11-05 18:55:21,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:55:21,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947013352] [2021-11-05 18:55:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:55:21,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:55:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:55:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:55:22,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:55:22,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947013352] [2021-11-05 18:55:22,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947013352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:55:22,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:55:22,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 18:55:22,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130809369] [2021-11-05 18:55:22,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:55:22,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 18:55:22,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:55:22,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 18:55:22,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:22,134 INFO L87 Difference]: Start difference. First operand 156284 states and 244963 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) [2021-11-05 18:55:24,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:55:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:55:32,492 INFO L93 Difference]: Finished difference Result 611543 states and 975467 transitions. [2021-11-05 18:55:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 18:55:32,493 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 [2021-11-05 18:55:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:55:34,543 INFO L225 Difference]: With dead ends: 611543 [2021-11-05 18:55:34,543 INFO L226 Difference]: Without dead ends: 455456 [2021-11-05 18:55:34,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.21ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 18:55:34,987 INFO L933 BasicCegarLoop]: 6307 mSDtfsCounter, 23033 mSDsluCounter, 11899 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 329 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2905.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23033 SdHoareTripleChecker+Valid, 18206 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.38ms SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3157.71ms IncrementalHoareTripleChecker+Time [2021-11-05 18:55:34,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23033 Valid, 18206 Invalid, 651 Unknown, 0 Unchecked, 30.38ms Time], IncrementalHoareTripleChecker [329 Valid, 321 Invalid, 1 Unknown, 0 Unchecked, 3157.71ms Time] [2021-11-05 18:55:35,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455456 states.