./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 173e3943 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-173e394 [2021-11-06 17:07:19,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 17:07:19,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 17:07:19,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 17:07:19,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 17:07:19,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 17:07:19,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 17:07:19,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 17:07:19,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 17:07:19,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 17:07:19,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 17:07:19,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 17:07:19,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 17:07:19,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 17:07:19,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 17:07:19,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 17:07:19,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 17:07:19,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 17:07:19,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 17:07:19,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 17:07:19,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 17:07:19,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 17:07:19,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 17:07:19,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 17:07:19,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 17:07:19,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 17:07:19,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 17:07:19,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 17:07:19,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 17:07:19,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 17:07:19,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 17:07:19,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 17:07:19,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 17:07:19,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 17:07:19,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 17:07:19,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 17:07:19,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 17:07:19,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 17:07:19,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 17:07:19,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 17:07:19,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 17:07:19,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 17:07:19,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 17:07:19,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 17:07:19,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 17:07:19,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 17:07:19,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 17:07:19,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 17:07:19,821 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 17:07:19,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 17:07:19,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 17:07:19,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 17:07:19,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 17:07:19,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 17:07:19,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 17:07:19,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 17:07:19,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 17:07:19,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 17:07:19,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 17:07:19,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 17:07:19,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 17:07:19,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:07:19,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 17:07:19,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 17:07:19,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 17:07:19,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 17:07:19,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 17:07:19,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 17:07:19,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 17:07:19,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 17:07:19,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 17:07:19,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 [2021-11-06 17:07:20,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 17:07:20,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 17:07:20,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 17:07:20,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 17:07:20,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 17:07:20,052 INFO L432 ainManager$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 [2021-11-06 17:07:20,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734e5e6dd/8c4cc3db85e94abb969ea1f60290c7cb/FLAGeace99088 [2021-11-06 17:07:20,812 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 17:07:20,813 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 [2021-11-06 17:07:20,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734e5e6dd/8c4cc3db85e94abb969ea1f60290c7cb/FLAGeace99088 [2021-11-06 17:07:21,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/734e5e6dd/8c4cc3db85e94abb969ea1f60290c7cb [2021-11-06 17:07:21,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 17:07:21,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 17:07:21,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 17:07:21,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 17:07:21,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 17:07:21,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:07:21" (1/1) ... [2021-11-06 17:07:21,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b0d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:21, skipping insertion in model container [2021-11-06 17:07:21,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:07:21" (1/1) ... [2021-11-06 17:07:21,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 17:07:21,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 17:07:22,691 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] [2021-11-06 17:07:22,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:07:22,803 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 17:07:23,088 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] [2021-11-06 17:07:23,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:07:23,192 INFO L208 MainTranslator]: Completed translation [2021-11-06 17:07:23,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23 WrapperNode [2021-11-06 17:07:23,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 17:07:23,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 17:07:23,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 17:07:23,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 17:07:23,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:23,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:23,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 17:07:23,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 17:07:23,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 17:07:23,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 17:07:23,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:23,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:23,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:23,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:24,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:24,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:24,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:24,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 17:07:24,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 17:07:24,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 17:07:24,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 17:07:24,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (1/1) ... [2021-11-06 17:07:24,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:07:24,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 17:07:24,679 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) [2021-11-06 17:07:24,688 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 [2021-11-06 17:07:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-06 17:07:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-06 17:07:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-06 17:07:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 17:07:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-06 17:07:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-06 17:07:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 17:07:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-06 17:07:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-06 17:07:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-06 17:07:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-06 17:07:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-06 17:07:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-06 17:07:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-06 17:07:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-06 17:07:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-06 17:07:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-06 17:07:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-06 17:07:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-06 17:07:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 17:07:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 17:07:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-06 17:07:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 17:07:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 17:07:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 17:07:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-06 17:07:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-06 17:07:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 17:07:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-06 17:07:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-06 17:07:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-06 17:07:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-06 17:07:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 17:07:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-06 17:07:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-06 17:07:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-06 17:07:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-06 17:07:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 17:07:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-06 17:07:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-06 17:07:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 17:07:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-06 17:07:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-06 17:07:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 17:07:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-06 17:07:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-06 17:07:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 17:07:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-06 17:07:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-06 17:07:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-06 17:07:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-06 17:07:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 17:07:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 17:07:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-06 17:07:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-06 17:07:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-06 17:07:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-06 17:07:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-06 17:07:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-06 17:07:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-06 17:07:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-06 17:07:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 17:07:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-06 17:07:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-06 17:07:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-06 17:07:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 17:07:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 17:07:53,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 17:07:53,243 INFO L299 CfgBuilder]: Removed 3536 assume(true) statements. [2021-11-06 17:07:53,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:07:53 BoogieIcfgContainer [2021-11-06 17:07:53,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 17:07:53,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 17:07:53,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 17:07:53,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 17:07:53,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:07:21" (1/3) ... [2021-11-06 17:07:53,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430e0e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:07:53, skipping insertion in model container [2021-11-06 17:07:53,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:07:23" (2/3) ... [2021-11-06 17:07:53,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430e0e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:07:53, skipping insertion in model container [2021-11-06 17:07:53,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:07:53" (3/3) ... [2021-11-06 17:07:53,254 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2021-11-06 17:07:53,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 17:07:53,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-06 17:07:53,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 17:07:53,318 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 [2021-11-06 17:07:53,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-06 17:07:53,381 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) [2021-11-06 17:07:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-06 17:07:53,398 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:07:53,399 INFO L513 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] [2021-11-06 17:07:53,400 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)] === [2021-11-06 17:07:53,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:07:53,403 INFO L85 PathProgramCache]: Analyzing trace with hash -889034556, now seen corresponding path program 1 times [2021-11-06 17:07:53,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:07:53,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515077562] [2021-11-06 17:07:53,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:07:53,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:07:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:07:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:07:54,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:07:54,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515077562] [2021-11-06 17:07:54,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515077562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:07:54,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:07:54,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 17:07:54,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367617102] [2021-11-06 17:07:54,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 17:07:54,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:07:54,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 17:07:54,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 17:07:54,033 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) [2021-11-06 17:07:54,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:07:54,163 INFO L93 Difference]: Finished difference Result 8302 states and 12730 transitions. [2021-11-06 17:07:54,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 17:07:54,164 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 [2021-11-06 17:07:54,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:07:54,190 INFO L225 Difference]: With dead ends: 8302 [2021-11-06 17:07:54,190 INFO L226 Difference]: Without dead ends: 4113 [2021-11-06 17:07:54,205 INFO L786 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 [2021-11-06 17:07:54,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2021-11-06 17:07:54,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 4113. [2021-11-06 17:07:54,336 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) [2021-11-06 17:07:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 6198 transitions. [2021-11-06 17:07:54,357 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 6198 transitions. Word has length 222 [2021-11-06 17:07:54,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:07:54,359 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 6198 transitions. [2021-11-06 17:07:54,359 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) [2021-11-06 17:07:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 6198 transitions. [2021-11-06 17:07:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-06 17:07:54,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:07:54,364 INFO L513 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] [2021-11-06 17:07:54,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 17:07:54,364 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)] === [2021-11-06 17:07:54,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:07:54,371 INFO L85 PathProgramCache]: Analyzing trace with hash -811122806, now seen corresponding path program 1 times [2021-11-06 17:07:54,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:07:54,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562628768] [2021-11-06 17:07:54,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:07:54,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:07:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:07:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:07:54,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:07:54,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562628768] [2021-11-06 17:07:54,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562628768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:07:54,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:07:54,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:07:54,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815175566] [2021-11-06 17:07:54,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:07:54,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:07:54,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:07:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:07:54,751 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) [2021-11-06 17:07:54,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:07:54,975 INFO L93 Difference]: Finished difference Result 10445 states and 15886 transitions. [2021-11-06 17:07:54,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:07:54,976 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 [2021-11-06 17:07:54,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:07:55,004 INFO L225 Difference]: With dead ends: 10445 [2021-11-06 17:07:55,004 INFO L226 Difference]: Without dead ends: 6529 [2021-11-06 17:07:55,016 INFO L786 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 [2021-11-06 17:07:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2021-11-06 17:07:55,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 6480. [2021-11-06 17:07:55,152 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) [2021-11-06 17:07:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6480 states to 6480 states and 9857 transitions. [2021-11-06 17:07:55,178 INFO L78 Accepts]: Start accepts. Automaton has 6480 states and 9857 transitions. Word has length 222 [2021-11-06 17:07:55,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:07:55,180 INFO L470 AbstractCegarLoop]: Abstraction has 6480 states and 9857 transitions. [2021-11-06 17:07:55,180 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) [2021-11-06 17:07:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6480 states and 9857 transitions. [2021-11-06 17:07:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-06 17:07:55,184 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:07:55,184 INFO L513 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] [2021-11-06 17:07:55,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 17:07:55,184 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)] === [2021-11-06 17:07:55,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:07:55,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1628927213, now seen corresponding path program 1 times [2021-11-06 17:07:55,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:07:55,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215619726] [2021-11-06 17:07:55,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:07:55,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:07:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:07:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:07:55,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:07:55,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215619726] [2021-11-06 17:07:55,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215619726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:07:55,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:07:55,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:07:55,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590851218] [2021-11-06 17:07:55,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:07:55,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:07:55,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:07:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:07:55,636 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) [2021-11-06 17:07:59,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:07:59,086 INFO L93 Difference]: Finished difference Result 24829 states and 38161 transitions. [2021-11-06 17:07:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:07:59,087 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 [2021-11-06 17:07:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:07:59,156 INFO L225 Difference]: With dead ends: 24829 [2021-11-06 17:07:59,157 INFO L226 Difference]: Without dead ends: 18546 [2021-11-06 17:07:59,178 INFO L786 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 [2021-11-06 17:07:59,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18546 states. [2021-11-06 17:07:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18546 to 18472. [2021-11-06 17:07:59,511 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) [2021-11-06 17:07:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18472 states to 18472 states and 28391 transitions. [2021-11-06 17:07:59,561 INFO L78 Accepts]: Start accepts. Automaton has 18472 states and 28391 transitions. Word has length 232 [2021-11-06 17:07:59,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:07:59,566 INFO L470 AbstractCegarLoop]: Abstraction has 18472 states and 28391 transitions. [2021-11-06 17:07:59,570 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) [2021-11-06 17:07:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 18472 states and 28391 transitions. [2021-11-06 17:07:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-06 17:07:59,574 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:07:59,574 INFO L513 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] [2021-11-06 17:07:59,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 17:07:59,574 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)] === [2021-11-06 17:07:59,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:07:59,575 INFO L85 PathProgramCache]: Analyzing trace with hash 800074059, now seen corresponding path program 1 times [2021-11-06 17:07:59,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:07:59,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105786507] [2021-11-06 17:07:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:07:59,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:07:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:08:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:08:00,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:08:00,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105786507] [2021-11-06 17:08:00,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105786507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:08:00,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:08:00,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:08:00,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347563998] [2021-11-06 17:08:00,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:08:00,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:08:00,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:08:00,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:08:00,108 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) [2021-11-06 17:08:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:08:03,987 INFO L93 Difference]: Finished difference Result 71917 states and 111517 transitions. [2021-11-06 17:08:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:08:03,988 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 [2021-11-06 17:08:03,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:08:04,197 INFO L225 Difference]: With dead ends: 71917 [2021-11-06 17:08:04,197 INFO L226 Difference]: Without dead ends: 53642 [2021-11-06 17:08:04,268 INFO L786 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 [2021-11-06 17:08:04,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53642 states. [2021-11-06 17:08:05,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53642 to 53568. [2021-11-06 17:08:05,623 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) [2021-11-06 17:08:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53568 states to 53568 states and 83015 transitions. [2021-11-06 17:08:05,821 INFO L78 Accepts]: Start accepts. Automaton has 53568 states and 83015 transitions. Word has length 233 [2021-11-06 17:08:05,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:08:05,822 INFO L470 AbstractCegarLoop]: Abstraction has 53568 states and 83015 transitions. [2021-11-06 17:08:05,822 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) [2021-11-06 17:08:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53568 states and 83015 transitions. [2021-11-06 17:08:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-06 17:08:05,828 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:08:05,828 INFO L513 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] [2021-11-06 17:08:05,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 17:08:05,828 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)] === [2021-11-06 17:08:05,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:08:05,829 INFO L85 PathProgramCache]: Analyzing trace with hash 875430804, now seen corresponding path program 1 times [2021-11-06 17:08:05,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:08:05,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897773540] [2021-11-06 17:08:05,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:08:05,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:08:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:08:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:08:06,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:08:06,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897773540] [2021-11-06 17:08:06,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897773540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:08:06,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:08:06,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:08:06,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794700059] [2021-11-06 17:08:06,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:08:06,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:08:06,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:08:06,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:08:06,413 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) [2021-11-06 17:08:11,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:08:11,791 INFO L93 Difference]: Finished difference Result 209729 states and 328819 transitions. [2021-11-06 17:08:11,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:08:11,791 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 [2021-11-06 17:08:11,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:08:12,644 INFO L225 Difference]: With dead ends: 209729 [2021-11-06 17:08:12,644 INFO L226 Difference]: Without dead ends: 156358 [2021-11-06 17:08:12,756 INFO L786 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 [2021-11-06 17:08:12,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156358 states. [2021-11-06 17:08:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156358 to 156284. [2021-11-06 17:08:16,145 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) [2021-11-06 17:08:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156284 states to 156284 states and 244963 transitions. [2021-11-06 17:08:16,931 INFO L78 Accepts]: Start accepts. Automaton has 156284 states and 244963 transitions. Word has length 234 [2021-11-06 17:08:16,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:08:16,932 INFO L470 AbstractCegarLoop]: Abstraction has 156284 states and 244963 transitions. [2021-11-06 17:08:16,932 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) [2021-11-06 17:08:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 156284 states and 244963 transitions. [2021-11-06 17:08:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-06 17:08:16,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:08:16,935 INFO L513 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] [2021-11-06 17:08:16,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 17:08:16,936 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)] === [2021-11-06 17:08:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:08:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1083476654, now seen corresponding path program 1 times [2021-11-06 17:08:16,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:08:16,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189228449] [2021-11-06 17:08:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:08:16,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:08:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:08:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:08:17,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:08:17,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189228449] [2021-11-06 17:08:17,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189228449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:08:17,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:08:17,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:08:17,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223401371] [2021-11-06 17:08:17,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:08:17,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:08:17,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:08:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:08:17,552 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) [2021-11-06 17:08:28,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:08:28,361 INFO L93 Difference]: Finished difference Result 611543 states and 975467 transitions. [2021-11-06 17:08:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:08:28,362 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 [2021-11-06 17:08:28,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:08:30,599 INFO L225 Difference]: With dead ends: 611543 [2021-11-06 17:08:30,599 INFO L226 Difference]: Without dead ends: 455456 [2021-11-06 17:08:31,036 INFO L786 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 [2021-11-06 17:08:31,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455456 states. [2021-11-06 17:08:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455456 to 455382. [2021-11-06 17:08:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455382 states, 440855 states have (on average 1.533835388052761) internal successors, (676199), 443722 states have internal predecessors, (676199), 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) [2021-11-06 17:08:43,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455382 states to 455382 states and 726910 transitions. [2021-11-06 17:08:43,618 INFO L78 Accepts]: Start accepts. Automaton has 455382 states and 726910 transitions. Word has length 235 [2021-11-06 17:08:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:08:43,619 INFO L470 AbstractCegarLoop]: Abstraction has 455382 states and 726910 transitions. [2021-11-06 17:08:43,619 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) [2021-11-06 17:08:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 455382 states and 726910 transitions. [2021-11-06 17:08:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-06 17:08:43,633 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:08:43,633 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:08:43,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 17:08:43,634 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-11-06 17:08:43,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:08:43,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1357209967, now seen corresponding path program 1 times [2021-11-06 17:08:43,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:08:43,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389091266] [2021-11-06 17:08:43,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:08:43,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms