./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 c36dfa3b 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-c36dfa3 [2021-11-04 07:34:44,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 07:34:44,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 07:34:44,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 07:34:44,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 07:34:44,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 07:34:44,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 07:34:44,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 07:34:44,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 07:34:44,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 07:34:44,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 07:34:44,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 07:34:44,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 07:34:44,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 07:34:44,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 07:34:44,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 07:34:44,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 07:34:44,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 07:34:44,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 07:34:44,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 07:34:44,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 07:34:44,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 07:34:44,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 07:34:44,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 07:34:44,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 07:34:44,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 07:34:44,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 07:34:44,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 07:34:44,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 07:34:44,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 07:34:44,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 07:34:44,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 07:34:44,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 07:34:44,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 07:34:44,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 07:34:44,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 07:34:44,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 07:34:44,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 07:34:44,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 07:34:44,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 07:34:44,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 07:34:44,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 07:34:44,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 07:34:44,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 07:34:44,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 07:34:44,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 07:34:44,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 07:34:44,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 07:34:44,839 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 07:34:44,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 07:34:44,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 07:34:44,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 07:34:44,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 07:34:44,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 07:34:44,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 07:34:44,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 07:34:44,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 07:34:44,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 07:34:44,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 07:34:44,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 07:34:44,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 07:34:44,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 07:34:44,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 07:34:44,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 07:34:44,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 07:34:44,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 07:34:44,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 07:34:44,842 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 07:34:44,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 07:34:44,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 07:34:44,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 07:34:44,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c13f17bef293e22dbc8fc00ce80e620ba1259ce3bd9f704a30527baafc650b9 [2021-11-04 07:34:45,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 07:34:45,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 07:34:45,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 07:34:45,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 07:34:45,050 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 07:34:45,050 INFO L432 ainManager$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 [2021-11-04 07:34:45,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e488881d/c3a5e5998dcd48ab97519e0207d70931/FLAGeaea97c71 [2021-11-04 07:34:45,791 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 07:34:45,792 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 [2021-11-04 07:34:45,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e488881d/c3a5e5998dcd48ab97519e0207d70931/FLAGeaea97c71 [2021-11-04 07:34:46,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e488881d/c3a5e5998dcd48ab97519e0207d70931 [2021-11-04 07:34:46,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 07:34:46,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 07:34:46,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 07:34:46,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 07:34:46,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 07:34:46,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:34:46" (1/1) ... [2021-11-04 07:34:46,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f902b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:46, skipping insertion in model container [2021-11-04 07:34:46,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:34:46" (1/1) ... [2021-11-04 07:34:46,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 07:34:46,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 07:34:47,839 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] [2021-11-04 07:34:47,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 07:34:47,938 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 07:34:48,231 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] [2021-11-04 07:34:48,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 07:34:48,345 INFO L208 MainTranslator]: Completed translation [2021-11-04 07:34:48,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48 WrapperNode [2021-11-04 07:34:48,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 07:34:48,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 07:34:48,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 07:34:48,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 07:34:48,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:48,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:48,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 07:34:48,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 07:34:48,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 07:34:48,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 07:34:48,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:48,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 07:34:49,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 07:34:49,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 07:34:49,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 07:34:49,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (1/1) ... [2021-11-04 07:34:49,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 07:34:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 07:34:49,688 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) [2021-11-04 07:34:49,705 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 [2021-11-04 07:34:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-04 07:34:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-04 07:34:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-04 07:34:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 07:34:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-04 07:34:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-04 07:34:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 07:34:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-04 07:34:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-04 07:34:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-04 07:34:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-04 07:34:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-04 07:34:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-04 07:34:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-04 07:34:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-04 07:34:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-04 07:34:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-04 07:34:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-04 07:34:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-04 07:34:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 07:34:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 07:34:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-04 07:34:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 07:34:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 07:34:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 07:34:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-04 07:34:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-04 07:34:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 07:34:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-04 07:34:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-04 07:34:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-04 07:34:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-04 07:34:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 07:34:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-04 07:34:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-04 07:34:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-04 07:34:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-04 07:34:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 07:34:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-04 07:34:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-04 07:34:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 07:34:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-04 07:34:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-04 07:34:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 07:34:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-04 07:34:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-04 07:34:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 07:34:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-04 07:34:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-04 07:34:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-04 07:34:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-04 07:34:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 07:34:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 07:34:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-04 07:34:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-04 07:34:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-04 07:34:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-04 07:34:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-04 07:34:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-04 07:34:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-04 07:34:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-04 07:34:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 07:34:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-04 07:34:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-04 07:34:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-04 07:34:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 07:34:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 07:34:57,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 07:34:57,403 INFO L299 CfgBuilder]: Removed 3536 assume(true) statements. [2021-11-04 07:34:57,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:34:57 BoogieIcfgContainer [2021-11-04 07:34:57,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 07:34:57,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 07:34:57,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 07:34:57,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 07:34:57,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 07:34:46" (1/3) ... [2021-11-04 07:34:57,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de02bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 07:34:57, skipping insertion in model container [2021-11-04 07:34:57,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:34:48" (2/3) ... [2021-11-04 07:34:57,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de02bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 07:34:57, skipping insertion in model container [2021-11-04 07:34:57,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:34:57" (3/3) ... [2021-11-04 07:34:57,416 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2021-11-04 07:34:57,419 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 07:34:57,419 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-04 07:34:57,471 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 07:34:57,477 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 [2021-11-04 07:34:57,477 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-04 07:34:57,545 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) [2021-11-04 07:34:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-04 07:34:57,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:34:57,568 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] [2021-11-04 07:34:57,568 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)] === [2021-11-04 07:34:57,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:34:57,573 INFO L85 PathProgramCache]: Analyzing trace with hash -889034556, now seen corresponding path program 1 times [2021-11-04 07:34:57,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:34:57,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169435016] [2021-11-04 07:34:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:34:57,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:34:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:34:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 07:34:58,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:34:58,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169435016] [2021-11-04 07:34:58,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169435016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:34:58,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:34:58,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:34:58,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41386909] [2021-11-04 07:34:58,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:34:58,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 07:34:58,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:34:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 07:34:58,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 07:34:58,227 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) [2021-11-04 07:35:00,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:35:23,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:35:25,650 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 [] [2021-11-04 07:35:27,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:35:27,233 INFO L93 Difference]: Finished difference Result 8302 states and 12730 transitions. [2021-11-04 07:35:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-04 07:35:27,235 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 [2021-11-04 07:35:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:35:27,268 INFO L225 Difference]: With dead ends: 8302 [2021-11-04 07:35:27,268 INFO L226 Difference]: Without dead ends: 4113 [2021-11-04 07:35:27,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 07:35:27,289 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6084 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26662.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 6086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6084 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28458.23ms IncrementalHoareTripleChecker+Time [2021-11-04 07:35:27,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 6086 Unknown, 0 Unchecked, 30.85ms Time], IncrementalHoareTripleChecker [0 Valid, 6084 Invalid, 2 Unknown, 0 Unchecked, 28458.23ms Time] [2021-11-04 07:35:27,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2021-11-04 07:35:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 4113. [2021-11-04 07:35:27,432 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) [2021-11-04 07:35:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 6198 transitions. [2021-11-04 07:35:27,451 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 6198 transitions. Word has length 222 [2021-11-04 07:35:27,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:35:27,451 INFO L470 AbstractCegarLoop]: Abstraction has 4113 states and 6198 transitions. [2021-11-04 07:35:27,451 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) [2021-11-04 07:35:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 6198 transitions. [2021-11-04 07:35:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-04 07:35:27,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:35:27,460 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] [2021-11-04 07:35:27,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 07:35:27,460 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)] === [2021-11-04 07:35:27,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:35:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash -811122806, now seen corresponding path program 1 times [2021-11-04 07:35:27,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:35:27,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871123073] [2021-11-04 07:35:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:35:27,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:35:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:35:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 07:35:27,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:35:27,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871123073] [2021-11-04 07:35:27,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871123073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:35:27,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:35:27,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:35:27,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748721768] [2021-11-04 07:35:27,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:35:27,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:35:27,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:35:27,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:35:27,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:35:27,951 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) [2021-11-04 07:35:30,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:35:49,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:35:53,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:06,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:16,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:22,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:25,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:36:25,728 INFO L93 Difference]: Finished difference Result 8069 states and 12245 transitions. [2021-11-04 07:36:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:36:25,729 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 [2021-11-04 07:36:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:36:25,745 INFO L225 Difference]: With dead ends: 8069 [2021-11-04 07:36:25,745 INFO L226 Difference]: Without dead ends: 4120 [2021-11-04 07:36:25,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.93ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:36:25,754 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 6160 mSDsCounter, 0 mSdLazyCounter, 12059 mSolverCounterSat, 12 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54195.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 12076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 78.59ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 12059 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57153.22ms IncrementalHoareTripleChecker+Time [2021-11-04 07:36:25,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 12076 Unknown, 0 Unchecked, 78.59ms Time], IncrementalHoareTripleChecker [12 Valid, 12059 Invalid, 5 Unknown, 0 Unchecked, 57153.22ms Time] [2021-11-04 07:36:25,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4120 states. [2021-11-04 07:36:25,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4120 to 4120. [2021-11-04 07:36:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4120 states, 3997 states have (on average 1.5123842882161622) internal successors, (6045), 4036 states have internal predecessors, (6045), 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) [2021-11-04 07:36:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 4120 states and 6205 transitions. [2021-11-04 07:36:25,850 INFO L78 Accepts]: Start accepts. Automaton has 4120 states and 6205 transitions. Word has length 222 [2021-11-04 07:36:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:36:25,851 INFO L470 AbstractCegarLoop]: Abstraction has 4120 states and 6205 transitions. [2021-11-04 07:36:25,851 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) [2021-11-04 07:36:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4120 states and 6205 transitions. [2021-11-04 07:36:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-04 07:36:25,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:36:25,854 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] [2021-11-04 07:36:25,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 07:36:25,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-11-04 07:36:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:36:25,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1491354524, now seen corresponding path program 1 times [2021-11-04 07:36:25,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:36:25,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623738467] [2021-11-04 07:36:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:36:25,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:36:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:36:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-04 07:36:26,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:36:26,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623738467] [2021-11-04 07:36:26,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623738467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:36:26,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:36:26,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:36:26,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736316142] [2021-11-04 07:36:26,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:36:26,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:36:26,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:36:26,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:36:26,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:36:26,289 INFO L87 Difference]: Start difference. First operand 4120 states and 6205 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2021-11-04 07:36:28,355 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 [] [2021-11-04 07:36:44,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:46,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:49,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:36:52,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:03,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:05,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:08,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:14,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:18,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:20,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:25,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:27,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:30,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:37:30,076 INFO L93 Difference]: Finished difference Result 8068 states and 12238 transitions. [2021-11-04 07:37:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:37:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 229 [2021-11-04 07:37:30,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:37:30,094 INFO L225 Difference]: With dead ends: 8068 [2021-11-04 07:37:30,094 INFO L226 Difference]: Without dead ends: 4124 [2021-11-04 07:37:30,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:37:30,105 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 6159 mSDsCounter, 0 mSdLazyCounter, 12058 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60366.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 12072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.19ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12058 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63335.71ms IncrementalHoareTripleChecker+Time [2021-11-04 07:37:30,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 12072 Unknown, 0 Unchecked, 57.19ms Time], IncrementalHoareTripleChecker [6 Valid, 12058 Invalid, 8 Unknown, 0 Unchecked, 63335.71ms Time] [2021-11-04 07:37:30,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states. [2021-11-04 07:37:30,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 4124. [2021-11-04 07:37:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4124 states, 4001 states have (on average 1.511872031992002) internal successors, (6049), 4040 states have internal predecessors, (6049), 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) [2021-11-04 07:37:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 4124 states and 6209 transitions. [2021-11-04 07:37:30,200 INFO L78 Accepts]: Start accepts. Automaton has 4124 states and 6209 transitions. Word has length 229 [2021-11-04 07:37:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:37:30,201 INFO L470 AbstractCegarLoop]: Abstraction has 4124 states and 6209 transitions. [2021-11-04 07:37:30,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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) [2021-11-04 07:37:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 6209 transitions. [2021-11-04 07:37:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-04 07:37:30,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:37:30,205 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] [2021-11-04 07:37:30,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 07:37:30,205 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-04 07:37:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:37:30,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1214878374, now seen corresponding path program 1 times [2021-11-04 07:37:30,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:37:30,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831393880] [2021-11-04 07:37:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:37:30,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:37:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:37:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-04 07:37:30,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:37:30,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831393880] [2021-11-04 07:37:30,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831393880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:37:30,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:37:30,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:37:30,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914714595] [2021-11-04 07:37:30,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:37:30,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:37:30,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:37:30,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:37:30,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:37:30,595 INFO L87 Difference]: Start difference. First operand 4124 states and 6209 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 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) [2021-11-04 07:37:32,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:42,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:37:56,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:11,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:13,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:15,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:18,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:25,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:28,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:38:31,223 INFO L93 Difference]: Finished difference Result 10452 states and 15891 transitions. [2021-11-04 07:38:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:38:31,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 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 [2021-11-04 07:38:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:38:31,248 INFO L225 Difference]: With dead ends: 10452 [2021-11-04 07:38:31,248 INFO L226 Difference]: Without dead ends: 6536 [2021-11-04 07:38:31,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:38:31,257 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 3684 mSDsluCounter, 6185 mSDsCounter, 0 mSdLazyCounter, 12062 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56801.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3685 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 12069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.70ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12062 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60082.50ms IncrementalHoareTripleChecker+Time [2021-11-04 07:38:31,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3685 Valid, 379 Invalid, 12069 Unknown, 0 Unchecked, 59.70ms Time], IncrementalHoareTripleChecker [1 Valid, 12062 Invalid, 6 Unknown, 0 Unchecked, 60082.50ms Time] [2021-11-04 07:38:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2021-11-04 07:38:31,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 6487. [2021-11-04 07:38:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6487 states, 6281 states have (on average 1.5257124661678076) internal successors, (9583), 6336 states have internal predecessors, (9583), 139 states have call successors, (139), 48 states have call predecessors, (139), 48 states have return successors, (140), 135 states have call predecessors, (140), 139 states have call successors, (140) [2021-11-04 07:38:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6487 states to 6487 states and 9862 transitions. [2021-11-04 07:38:31,392 INFO L78 Accepts]: Start accepts. Automaton has 6487 states and 9862 transitions. Word has length 233 [2021-11-04 07:38:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:38:31,392 INFO L470 AbstractCegarLoop]: Abstraction has 6487 states and 9862 transitions. [2021-11-04 07:38:31,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 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) [2021-11-04 07:38:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 6487 states and 9862 transitions. [2021-11-04 07:38:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-04 07:38:31,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:38:31,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:38:31,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 07:38:31,402 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-11-04 07:38:31,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:38:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1752981827, now seen corresponding path program 1 times [2021-11-04 07:38:31,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:38:31,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085836809] [2021-11-04 07:38:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:38:31,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:38:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:38:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-04 07:38:31,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:38:31,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085836809] [2021-11-04 07:38:31,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085836809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:38:31,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:38:31,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:38:31,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297344478] [2021-11-04 07:38:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:38:31,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:38:31,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:38:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:38:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:38:31,805 INFO L87 Difference]: Start difference. First operand 6487 states and 9862 transitions. Second operand has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 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) [2021-11-04 07:38:33,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:58,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:38:59,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:14,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:32,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:35,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:38,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:40,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:47,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:51,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:39:58,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:05,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:07,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:16,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:23,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:34,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:42,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:44,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:47,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:40:52,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:40:52,870 INFO L93 Difference]: Finished difference Result 24793 states and 38091 transitions. [2021-11-04 07:40:52,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:40:52,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 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 243 [2021-11-04 07:40:52,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:40:52,944 INFO L225 Difference]: With dead ends: 24793 [2021-11-04 07:40:52,945 INFO L226 Difference]: Without dead ends: 18514 [2021-11-04 07:40:52,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 41.92ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:40:52,963 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 16869 mSDsluCounter, 17075 mSDsCounter, 0 mSdLazyCounter, 23138 mSolverCounterSat, 172 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131976.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16869 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 23322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 206.45ms SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 23138 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139351.21ms IncrementalHoareTripleChecker+Time [2021-11-04 07:40:52,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16869 Valid, 701 Invalid, 23322 Unknown, 0 Unchecked, 206.45ms Time], IncrementalHoareTripleChecker [172 Valid, 23138 Invalid, 12 Unknown, 0 Unchecked, 139351.21ms Time] [2021-11-04 07:40:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18514 states. [2021-11-04 07:40:53,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18514 to 18440. [2021-11-04 07:40:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18440 states, 17866 states have (on average 1.5331915369976492) internal successors, (27392), 17993 states have internal predecessors, (27392), 411 states have call successors, (411), 144 states have call predecessors, (411), 144 states have return successors, (526), 399 states have call predecessors, (526), 411 states have call successors, (526) [2021-11-04 07:40:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18440 states to 18440 states and 28329 transitions. [2021-11-04 07:40:53,395 INFO L78 Accepts]: Start accepts. Automaton has 18440 states and 28329 transitions. Word has length 243 [2021-11-04 07:40:53,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:40:53,396 INFO L470 AbstractCegarLoop]: Abstraction has 18440 states and 28329 transitions. [2021-11-04 07:40:53,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 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) [2021-11-04 07:40:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 18440 states and 28329 transitions. [2021-11-04 07:40:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-04 07:40:53,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:40:53,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:40:53,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 07:40:53,400 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-11-04 07:40:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:40:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash -959891077, now seen corresponding path program 1 times [2021-11-04 07:40:53,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:40:53,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874593079] [2021-11-04 07:40:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:40:53,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:40:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:40:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-04 07:40:53,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:40:53,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874593079] [2021-11-04 07:40:53,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874593079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:40:53,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:40:53,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:40:53,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060362339] [2021-11-04 07:40:53,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:40:53,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:40:53,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:40:53,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:40:53,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:40:53,846 INFO L87 Difference]: Start difference. First operand 18440 states and 28329 transitions. Second operand has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 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) [2021-11-04 07:40:55,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:09,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:19,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:24,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:26,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:36,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:47,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:55,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:41:57,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:42:06,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:42:12,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:42:26,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:42:28,545 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 [] [2021-11-04 07:42:34,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:42:34,362 INFO L93 Difference]: Finished difference Result 71422 states and 110634 transitions. [2021-11-04 07:42:34,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:42:34,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 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 244 [2021-11-04 07:42:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:42:34,538 INFO L225 Difference]: With dead ends: 71422 [2021-11-04 07:42:34,539 INFO L226 Difference]: Without dead ends: 53190 [2021-11-04 07:42:34,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.80ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:42:34,589 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 22107 mSDsluCounter, 11781 mSDsCounter, 0 mSdLazyCounter, 17896 mSolverCounterSat, 324 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93140.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22107 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 18226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 133.44ms SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 17896 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98698.04ms IncrementalHoareTripleChecker+Time [2021-11-04 07:42:34,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22107 Valid, 536 Invalid, 18226 Unknown, 0 Unchecked, 133.44ms Time], IncrementalHoareTripleChecker [324 Valid, 17896 Invalid, 6 Unknown, 0 Unchecked, 98698.04ms Time] [2021-11-04 07:42:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53190 states. [2021-11-04 07:42:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53190 to 53116. [2021-11-04 07:42:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53116 states, 51453 states have (on average 1.533690941247352) internal successors, (78913), 51789 states have internal predecessors, (78913), 1212 states have call successors, (1212), 432 states have call predecessors, (1212), 432 states have return successors, (2091), 1176 states have call predecessors, (2091), 1212 states have call successors, (2091) [2021-11-04 07:42:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53116 states to 53116 states and 82216 transitions. [2021-11-04 07:42:35,666 INFO L78 Accepts]: Start accepts. Automaton has 53116 states and 82216 transitions. Word has length 244 [2021-11-04 07:42:35,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:42:35,667 INFO L470 AbstractCegarLoop]: Abstraction has 53116 states and 82216 transitions. [2021-11-04 07:42:35,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 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) [2021-11-04 07:42:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 53116 states and 82216 transitions. [2021-11-04 07:42:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-04 07:42:35,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:42:35,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:42:35,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 07:42:35,670 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-11-04 07:42:35,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:42:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2143880860, now seen corresponding path program 1 times [2021-11-04 07:42:35,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:42:35,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189436303] [2021-11-04 07:42:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:42:35,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:42:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:42:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-04 07:42:36,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:42:36,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189436303] [2021-11-04 07:42:36,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189436303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:42:36,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:42:36,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:42:36,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345085054] [2021-11-04 07:42:36,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:42:36,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:42:36,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:42:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:42:36,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:42:36,018 INFO L87 Difference]: Start difference. First operand 53116 states and 82216 transitions. Second operand has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 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) [2021-11-04 07:42:38,082 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 [] [2021-11-04 07:43:08,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:43:09,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:43:17,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:43:25,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:43:47,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:43:53,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:44:05,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:44:20,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:44:33,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:44:44,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:44:50,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:44:50,644 INFO L93 Difference]: Finished difference Result 206879 states and 323601 transitions. [2021-11-04 07:44:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:44:50,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 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 245 [2021-11-04 07:44:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:44:51,590 INFO L225 Difference]: With dead ends: 206879 [2021-11-04 07:44:51,590 INFO L226 Difference]: Without dead ends: 153971 [2021-11-04 07:44:51,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.23ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:44:51,722 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 16710 mSDsluCounter, 17321 mSDsCounter, 0 mSdLazyCounter, 23586 mSolverCounterSat, 168 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123227.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16710 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 23764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 176.38ms SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 23586 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131183.06ms IncrementalHoareTripleChecker+Time [2021-11-04 07:44:51,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16710 Valid, 535 Invalid, 23764 Unknown, 0 Unchecked, 176.38ms Time], IncrementalHoareTripleChecker [168 Valid, 23586 Invalid, 10 Unknown, 0 Unchecked, 131183.06ms Time] [2021-11-04 07:44:51,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153971 states. [2021-11-04 07:44:54,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153971 to 153897. [2021-11-04 07:44:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153897 states, 149012 states have (on average 1.5322927012589591) internal successors, (228330), 149954 states have internal predecessors, (228330), 3570 states have call successors, (3570), 1296 states have call predecessors, (3570), 1296 states have return successors, (8739), 3462 states have call predecessors, (8739), 3570 states have call successors, (8739) [2021-11-04 07:44:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153897 states to 153897 states and 240639 transitions. [2021-11-04 07:44:56,358 INFO L78 Accepts]: Start accepts. Automaton has 153897 states and 240639 transitions. Word has length 245 [2021-11-04 07:44:56,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:44:56,358 INFO L470 AbstractCegarLoop]: Abstraction has 153897 states and 240639 transitions. [2021-11-04 07:44:56,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 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) [2021-11-04 07:44:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 153897 states and 240639 transitions. [2021-11-04 07:44:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-04 07:44:56,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:44:56,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:44:56,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 07:44:56,361 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-11-04 07:44:56,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:44:56,362 INFO L85 PathProgramCache]: Analyzing trace with hash -192857726, now seen corresponding path program 1 times [2021-11-04 07:44:56,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:44:56,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353602627] [2021-11-04 07:44:56,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:44:56,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:44:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:44:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-04 07:44:56,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:44:56,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353602627] [2021-11-04 07:44:56,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353602627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:44:56,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:44:56,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:44:56,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302801511] [2021-11-04 07:44:56,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:44:56,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:44:56,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:44:56,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:44:56,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:44:56,900 INFO L87 Difference]: Start difference. First operand 153897 states and 240639 transitions. Second operand has 5 states, 5 states have (on average 49.2) internal successors, (246), 5 states have internal predecessors, (246), 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) [2021-11-04 07:44:59,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:45:14,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:45:43,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:46:11,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:46:22,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:46:27,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:46:32,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:46:47,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:46:58,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:03,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:05,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:16,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:47:23,429 INFO L93 Difference]: Finished difference Result 547426 states and 872358 transitions. [2021-11-04 07:47:23,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:47:23,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.2) internal successors, (246), 5 states have internal predecessors, (246), 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 246 [2021-11-04 07:47:23,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:47:25,094 INFO L225 Difference]: With dead ends: 547426 [2021-11-04 07:47:25,094 INFO L226 Difference]: Without dead ends: 393737 [2021-11-04 07:47:25,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 50.36ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:47:25,422 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 8337 mSDsluCounter, 26180 mSDsCounter, 0 mSdLazyCounter, 32180 mSolverCounterSat, 12 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130056.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8337 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 32198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 126.88ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 32180 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 138898.67ms IncrementalHoareTripleChecker+Time [2021-11-04 07:47:25,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8337 Valid, 837 Invalid, 32198 Unknown, 0 Unchecked, 126.88ms Time], IncrementalHoareTripleChecker [12 Valid, 32180 Invalid, 6 Unknown, 0 Unchecked, 138898.67ms Time] [2021-11-04 07:47:25,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393737 states. [2021-11-04 07:47:33,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393737 to 393687. [2021-11-04 07:47:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393687 states, 380125 states have (on average 1.5337323248931272) internal successors, (583010), 382675 states have internal predecessors, (583010), 9679 states have call successors, (9679), 3864 states have call predecessors, (9679), 3864 states have return successors, (35977), 9357 states have call predecessors, (35977), 9679 states have call successors, (35977) [2021-11-04 07:47:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393687 states to 393687 states and 628666 transitions. [2021-11-04 07:47:36,555 INFO L78 Accepts]: Start accepts. Automaton has 393687 states and 628666 transitions. Word has length 246 [2021-11-04 07:47:36,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:47:36,555 INFO L470 AbstractCegarLoop]: Abstraction has 393687 states and 628666 transitions. [2021-11-04 07:47:36,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.2) internal successors, (246), 5 states have internal predecessors, (246), 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) [2021-11-04 07:47:36,556 INFO L276 IsEmpty]: Start isEmpty. Operand 393687 states and 628666 transitions. [2021-11-04 07:47:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-04 07:47:36,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:47:36,569 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:47:36,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 07:47:36,570 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-11-04 07:47:36,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:47:36,570 INFO L85 PathProgramCache]: Analyzing trace with hash -947486913, now seen corresponding path program 1 times [2021-11-04 07:47:36,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:47:36,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631380071] [2021-11-04 07:47:36,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:47:36,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:47:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:47:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-04 07:47:36,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:47:36,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631380071] [2021-11-04 07:47:36,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631380071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:47:36,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:47:36,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 07:47:36,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222159196] [2021-11-04 07:47:36,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:47:36,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 07:47:36,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:47:36,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 07:47:36,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 07:47:36,872 INFO L87 Difference]: Start difference. First operand 393687 states and 628666 transitions. Second operand has 4 states, 4 states have (on average 68.25) internal successors, (273), 4 states have internal predecessors, (273), 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) [2021-11-04 07:47:38,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:52,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:17,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:20,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:25,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:30,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15