./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--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a171ff224376cf8290462f462f8b255eba22e68c644930bef5dec76a3be72788 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:45:16,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:45:16,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:45:16,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:45:16,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:45:16,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:45:16,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:45:16,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:45:16,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:45:16,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:45:16,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:45:16,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:45:16,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:45:16,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:45:16,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:45:16,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:45:16,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:45:16,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:45:16,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:45:16,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:45:16,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:45:16,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:45:16,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:45:16,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:45:16,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:45:16,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:45:16,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:45:16,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:45:16,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:45:16,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:45:16,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:45:16,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:45:16,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:45:16,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:45:16,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:45:16,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:45:16,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:45:16,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:45:16,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:45:16,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:45:16,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:45:16,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:45:16,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:45:16,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:45:16,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:45:16,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:45:16,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:45:16,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:45:16,760 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:45:16,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:45:16,760 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:45:16,761 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:45:16,761 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:45:16,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:45:16,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:45:16,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:45:16,762 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:45:16,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:45:16,763 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:45:16,763 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:45:16,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:45:16,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:45:16,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:45:16,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:45:16,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:45:16,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:45:16,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:45:16,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:45:16,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:45:16,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:45:16,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:45:16,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:45:16,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:45:16,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:45:16,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:45:16,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:45:16,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:45:16,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:45:16,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:45:16,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:45:16,772 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a171ff224376cf8290462f462f8b255eba22e68c644930bef5dec76a3be72788 [2021-11-23 02:45:17,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:45:17,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:45:17,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:45:17,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:45:17,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:45:17,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-23 02:45:17,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/data/058ed979d/bc199e6f2695487f8220ce80dfd41146/FLAGdccafc87e [2021-11-23 02:45:18,948 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:45:18,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-23 02:45:19,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/data/058ed979d/bc199e6f2695487f8220ce80dfd41146/FLAGdccafc87e [2021-11-23 02:45:19,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/data/058ed979d/bc199e6f2695487f8220ce80dfd41146 [2021-11-23 02:45:19,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:45:19,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:45:19,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:45:19,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:45:19,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:45:19,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:45:19" (1/1) ... [2021-11-23 02:45:19,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1619d791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:19, skipping insertion in model container [2021-11-23 02:45:19,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:45:19" (1/1) ... [2021-11-23 02:45:19,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:45:19,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:45:31,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i[1000878,1000891] [2021-11-23 02:45:31,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:45:31,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:45:33,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i[1000878,1000891] [2021-11-23 02:45:33,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:45:34,020 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:45:34,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34 WrapperNode [2021-11-23 02:45:34,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:45:34,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:45:34,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:45:34,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:45:34,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:34,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:35,269 INFO L137 Inliner]: procedures = 834, calls = 11670, calls flagged for inlining = 388, calls inlined = 349, statements flattened = 23741 [2021-11-23 02:45:35,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:45:35,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:45:35,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:45:35,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:45:35,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:35,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:35,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:35,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:36,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:36,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:36,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:37,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:45:37,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:45:37,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:45:37,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:45:37,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (1/1) ... [2021-11-23 02:45:37,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:45:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:45:37,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:45:37,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:45:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-23 02:45:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-23 02:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-23 02:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-23 02:45:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-23 02:45:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-23 02:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 02:45:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 02:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-23 02:45:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-23 02:45:37,331 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-23 02:45:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-23 02:45:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-23 02:45:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-23 02:45:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_map_resources [2021-11-23 02:45:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_map_resources [2021-11-23 02:45:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:45:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:45:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:45:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:45:37,333 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-23 02:45:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-23 02:45:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-23 02:45:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-23 02:45:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-23 02:45:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-23 02:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-23 02:45:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-23 02:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-23 02:45:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-23 02:45:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-23 02:45:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-23 02:45:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-23 02:45:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-23 02:45:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-23 02:45:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-23 02:45:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-23 02:45:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-23 02:45:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-23 02:45:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-23 02:45:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:45:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:45:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-23 02:45:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-23 02:45:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-23 02:45:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-23 02:45:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-23 02:45:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-23 02:45:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-23 02:45:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-23 02:45:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:45:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:45:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 02:45:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 02:45:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg8 [2021-11-23 02:45:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg8 [2021-11-23 02:45:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 02:45:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 02:45:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_phy_reset [2021-11-23 02:45:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_phy_reset [2021-11-23 02:45:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-23 02:45:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-23 02:45:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-23 02:45:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-23 02:45:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-23 02:45:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-23 02:45:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-23 02:45:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-23 02:45:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-23 02:45:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-23 02:45:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure _base_unmask_events [2021-11-23 02:45:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_unmask_events [2021-11-23 02:45:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-23 02:45:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-23 02:45:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-23 02:45:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-23 02:45:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-23 02:45:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-23 02:45:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure raid_class_release [2021-11-23 02:45:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_class_release [2021-11-23 02:45:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 02:45:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 02:45:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-23 02:45:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-23 02:45:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:45:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:45:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-23 02:45:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-23 02:45:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_slot_reset [2021-11-23 02:45:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_slot_reset [2021-11-23 02:45:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_raid [2021-11-23 02:45:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_raid [2021-11-23 02:45:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-23 02:45:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-23 02:45:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-23 02:45:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-23 02:45:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:45:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-23 02:45:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-23 02:45:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-23 02:45:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-23 02:45:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-23 02:45:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-23 02:45:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-23 02:45:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-23 02:45:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-23 02:45:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-23 02:45:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-23 02:45:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-23 02:45:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:45:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:45:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-23 02:45:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-23 02:45:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-23 02:45:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-23 02:45:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:45:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:45:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 02:45:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 02:45:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:45:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:45:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-23 02:45:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-23 02:45:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-23 02:45:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-23 02:45:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-23 02:45:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-23 02:45:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_32 [2021-11-23 02:45:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_32 [2021-11-23 02:45:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-23 02:45:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-23 02:45:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-23 02:45:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-23 02:45:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-23 02:45:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-23 02:45:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:45:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:45:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-23 02:45:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-23 02:45:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-23 02:45:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-23 02:45:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:45:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-23 02:45:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-23 02:45:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-23 02:45:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-23 02:45:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-23 02:45:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 02:45:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 02:45:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:45:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:45:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:45:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-23 02:45:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-23 02:45:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:45:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sanity_check [2021-11-23 02:45:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sanity_check [2021-11-23 02:45:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:45:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-23 02:45:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-23 02:45:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-23 02:45:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-23 02:45:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-23 02:45:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-23 02:45:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-23 02:45:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-23 02:45:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-23 02:45:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-23 02:45:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_int [2021-11-23 02:45:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_int [2021-11-23 02:45:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 02:45:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 02:45:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_release_callback_handler [2021-11-23 02:45:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_release_callback_handler [2021-11-23 02:45:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-23 02:45:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-23 02:45:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure sas_release_transport [2021-11-23 02:45:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_release_transport [2021-11-23 02:45:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-23 02:45:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-23 02:45:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-23 02:45:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-23 02:45:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-23 02:45:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-23 02:45:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-23 02:45:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-23 02:45:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-23 02:45:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-23 02:45:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-23 02:45:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-23 02:45:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:45:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:45:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure bio_data [2021-11-23 02:45:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_data [2021-11-23 02:45:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:45:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:45:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 02:45:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 02:45:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-23 02:45:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-23 02:45:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:45:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:45:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:45:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_35 [2021-11-23 02:45:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_35 [2021-11-23 02:45:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 02:45:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 02:45:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_delete_port [2021-11-23 02:45:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_delete_port [2021-11-23 02:45:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 02:45:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 02:45:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 02:45:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-23 02:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-23 02:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-23 02:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-23 02:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-23 02:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-23 02:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-23 02:45:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-23 02:45:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-23 02:45:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-23 02:45:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-23 02:45:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-23 02:45:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-23 02:45:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-23 02:45:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-23 02:45:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-23 02:45:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-23 02:45:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-23 02:45:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_resume [2021-11-23 02:45:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_resume [2021-11-23 02:45:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:45:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:45:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:45:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:45:37,408 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-23 02:45:37,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-23 02:45:37,409 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-23 02:45:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-23 02:45:37,413 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-23 02:45:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-23 02:45:37,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 02:45:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 02:45:37,414 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-23 02:45:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-23 02:45:37,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:45:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:45:37,415 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-23 02:45:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-23 02:45:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-23 02:45:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-23 02:45:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:45:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:45:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure rphy_to_ioc [2021-11-23 02:45:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rphy_to_ioc [2021-11-23 02:45:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-23 02:45:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-23 02:45:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-23 02:45:37,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-23 02:45:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:45:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-23 02:45:37,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-23 02:45:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:45:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:45:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-23 02:45:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-23 02:45:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-23 02:45:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-23 02:45:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-23 02:45:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-23 02:45:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:45:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-23 02:45:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-23 02:45:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-23 02:45:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-23 02:45:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-23 02:45:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-23 02:45:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-23 02:45:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-23 02:45:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-23 02:45:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-23 02:45:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-23 02:45:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-23 02:45:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-23 02:45:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-23 02:45:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2021-11-23 02:45:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2021-11-23 02:45:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-11-23 02:45:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-11-23 02:45:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-23 02:45:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 02:45:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 02:45:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:45:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:45:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 02:45:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 02:45:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-23 02:45:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-23 02:45:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-23 02:45:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-23 02:45:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-23 02:45:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-23 02:45:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-23 02:45:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-23 02:45:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:45:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:45:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-23 02:45:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-23 02:45:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2021-11-23 02:45:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2021-11-23 02:45:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-23 02:45:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-23 02:45:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-23 02:45:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-23 02:45:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-23 02:45:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-23 02:45:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 02:45:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 02:45:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-23 02:45:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-23 02:45:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 02:45:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 02:45:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-23 02:45:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-23 02:45:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-23 02:45:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-23 02:45:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-23 02:45:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-23 02:45:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_change_queue_depth [2021-11-23 02:45:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_change_queue_depth [2021-11-23 02:45:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_register_callback_handler [2021-11-23 02:45:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_register_callback_handler [2021-11-23 02:45:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-23 02:45:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-23 02:45:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 02:45:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 02:45:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:45:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-23 02:45:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-23 02:45:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:45:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:45:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-23 02:45:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-23 02:45:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-23 02:45:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-23 02:45:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-23 02:45:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-23 02:45:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-23 02:45:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-23 02:45:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-23 02:45:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-23 02:45:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-23 02:45:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-23 02:45:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-23 02:45:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-23 02:45:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 02:45:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 02:45:37,444 INFO L130 BoogieDeclarations]: Found specification of procedure phy_to_ioc [2021-11-23 02:45:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_to_ioc [2021-11-23 02:45:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-23 02:45:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-23 02:45:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-23 02:45:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-23 02:45:37,445 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_delete [2021-11-23 02:45:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_delete [2021-11-23 02:45:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-23 02:45:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-23 02:45:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 02:45:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 02:45:37,446 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-23 02:45:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-23 02:45:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 02:45:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 02:45:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_unresponding_sas_devices [2021-11-23 02:45:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_unresponding_sas_devices [2021-11-23 02:45:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-23 02:45:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-23 02:45:37,449 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-23 02:45:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-23 02:45:37,449 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-23 02:45:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-23 02:45:37,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:45:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:45:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-23 02:45:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-23 02:45:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-23 02:45:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-23 02:45:37,450 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 02:45:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 02:45:37,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 02:45:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 02:45:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:45:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:45:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_pfa_led [2021-11-23 02:45:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_pfa_led [2021-11-23 02:45:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_sas [2021-11-23 02:45:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_sas [2021-11-23 02:45:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-23 02:45:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-23 02:45:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-23 02:45:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-23 02:45:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-23 02:45:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-23 02:45:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-23 02:45:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-23 02:45:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:45:37,468 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:45:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure _base_request_irq [2021-11-23 02:45:37,468 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_request_irq [2021-11-23 02:45:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-23 02:45:37,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-23 02:45:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-23 02:45:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-23 02:45:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_error_detected [2021-11-23 02:45:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_error_detected [2021-11-23 02:45:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-23 02:45:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-23 02:45:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-23 02:45:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-23 02:45:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-23 02:45:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-23 02:45:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:45:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:45:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-23 02:45:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-23 02:45:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-23 02:45:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-23 02:45:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-23 02:45:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-23 02:45:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-23 02:45:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-23 02:45:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:45:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-23 02:45:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-23 02:45:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 02:45:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 02:45:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-23 02:45:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-23 02:45:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:45:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:45:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-23 02:45:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-23 02:45:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:45:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_chain_buffer_tracker [2021-11-23 02:45:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_chain_buffer_tracker [2021-11-23 02:45:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 02:45:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 02:45:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:45:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:45:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-23 02:45:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-23 02:45:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:45:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-11-23 02:45:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-11-23 02:45:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:45:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:45:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-23 02:45:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-23 02:45:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-23 02:45:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-23 02:45:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-23 02:45:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-23 02:45:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:45:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:45:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-23 02:45:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-23 02:45:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-23 02:45:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-23 02:45:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 02:45:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 02:45:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2021-11-23 02:45:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2021-11-23 02:45:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-23 02:45:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-23 02:45:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:45:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:45:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-23 02:45:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-23 02:45:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-23 02:45:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-23 02:45:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-23 02:45:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-23 02:45:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-23 02:45:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-23 02:45:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_33 [2021-11-23 02:45:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_33 [2021-11-23 02:45:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-23 02:45:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-23 02:45:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 02:45:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 02:45:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-23 02:45:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-23 02:45:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-23 02:45:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-23 02:45:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-23 02:45:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-23 02:45:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:45:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:45:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-23 02:45:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-23 02:45:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-23 02:45:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-23 02:45:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-23 02:45:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-23 02:45:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-23 02:45:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-23 02:45:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-23 02:45:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-23 02:45:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:45:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:45:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-23 02:45:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-23 02:45:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-23 02:45:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-23 02:45:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-23 02:45:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-23 02:45:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:45:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:45:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 02:45:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 02:45:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-23 02:45:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-23 02:45:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-23 02:45:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-23 02:45:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-23 02:45:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-23 02:45:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-23 02:45:37,505 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-23 02:45:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:45:37,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:45:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:45:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-23 02:45:37,506 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-23 02:45:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:45:37,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:45:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-23 02:45:37,507 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-23 02:45:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:45:37,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:45:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-23 02:45:37,507 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-23 02:45:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_phy_control [2021-11-23 02:45:37,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_phy_control [2021-11-23 02:45:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-23 02:45:37,508 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-23 02:45:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-23 02:45:37,508 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-23 02:45:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-23 02:45:37,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-23 02:45:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-23 02:45:37,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-23 02:45:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_fasync [2021-11-23 02:45:37,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_fasync [2021-11-23 02:45:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-23 02:45:37,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-23 02:45:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-23 02:45:37,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-23 02:45:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:45:37,510 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:45:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_120 [2021-11-23 02:45:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_120 [2021-11-23 02:45:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-23 02:45:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-23 02:45:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:45:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:45:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_tm_display_info [2021-11-23 02:45:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_tm_display_info [2021-11-23 02:45:37,512 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-23 02:45:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-23 02:45:37,512 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-23 02:45:37,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-23 02:45:37,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-11-23 02:45:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-11-23 02:45:37,513 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-23 02:45:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-23 02:45:37,513 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-23 02:45:37,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-23 02:45:37,513 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-23 02:45:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-23 02:45:37,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:45:37,514 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-23 02:45:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-23 02:45:37,514 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_off_pfa_led [2021-11-23 02:45:37,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_off_pfa_led [2021-11-23 02:45:37,515 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-23 02:45:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-23 02:45:37,515 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-23 02:45:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-23 02:45:37,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:45:37,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:45:37,515 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-23 02:45:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-23 02:45:37,516 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-23 02:45:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-23 02:45:37,516 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 02:45:37,516 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 02:45:37,516 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-23 02:45:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-23 02:45:37,517 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-23 02:45:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-23 02:45:37,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-23 02:45:37,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-23 02:45:37,517 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-23 02:45:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-23 02:45:37,518 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-23 02:45:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-23 02:45:37,518 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-23 02:45:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-23 02:45:37,518 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_set_prot [2021-11-23 02:45:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_set_prot [2021-11-23 02:45:37,519 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-23 02:45:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-23 02:45:37,519 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-23 02:45:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-23 02:45:37,519 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-23 02:45:37,519 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-23 02:45:37,520 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-23 02:45:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-23 02:45:37,520 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-23 02:45:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-23 02:45:37,520 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-23 02:45:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-23 02:45:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-23 02:45:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-23 02:45:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:45:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:45:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_poll [2021-11-23 02:45:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_poll [2021-11-23 02:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-23 02:45:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-23 02:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-23 02:45:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-23 02:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_int [2021-11-23 02:45:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_int [2021-11-23 02:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-23 02:45:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-23 02:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-23 02:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-23 02:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-23 02:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-23 02:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-23 02:45:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-23 02:45:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 02:45:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 02:45:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-23 02:45:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-23 02:45:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-23 02:45:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-23 02:45:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-23 02:45:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-23 02:45:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_118 [2021-11-23 02:45:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_118 [2021-11-23 02:45:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_del_phy_from_an_existing_port [2021-11-23 02:45:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_del_phy_from_an_existing_port [2021-11-23 02:45:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-23 02:45:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-23 02:45:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-23 02:45:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-23 02:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-23 02:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-23 02:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 02:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 02:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:45:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-23 02:45:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-23 02:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2021-11-23 02:45:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2021-11-23 02:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-23 02:45:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-23 02:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 02:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_mmio_enabled [2021-11-23 02:45:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_mmio_enabled [2021-11-23 02:45:40,462 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:45:40,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:45:41,261 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:46:18,994 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:46:34,383 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:46:34,384 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:46:34,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:34 BoogieIcfgContainer [2021-11-23 02:46:34,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:46:34,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:46:34,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:46:34,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:46:34,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:45:19" (1/3) ... [2021-11-23 02:46:34,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5158c132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:46:34, skipping insertion in model container [2021-11-23 02:46:34,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:45:34" (2/3) ... [2021-11-23 02:46:34,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5158c132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:46:34, skipping insertion in model container [2021-11-23 02:46:34,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:46:34" (3/3) ... [2021-11-23 02:46:34,416 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-23 02:46:34,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:46:34,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:46:34,533 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:46:34,541 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:46:34,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:46:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 6239 states, 3870 states have (on average 1.3739018087855297) internal successors, (5317), 4088 states have internal predecessors, (5317), 2039 states have call successors, (2039), 329 states have call predecessors, (2039), 328 states have return successors, (2002), 1939 states have call predecessors, (2002), 2002 states have call successors, (2002) [2021-11-23 02:46:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 02:46:34,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:46:34,739 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:46:34,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:46:34,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:46:34,746 INFO L85 PathProgramCache]: Analyzing trace with hash -404928040, now seen corresponding path program 1 times [2021-11-23 02:46:34,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:46:34,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764511660] [2021-11-23 02:46:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:46:34,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:46:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:46:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-23 02:46:36,313 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:46:36,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764511660] [2021-11-23 02:46:36,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764511660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:46:36,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:46:36,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:46:36,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521368546] [2021-11-23 02:46:36,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:46:36,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:46:36,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:46:36,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:46:36,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:46:36,398 INFO L87 Difference]: Start difference. First operand has 6239 states, 3870 states have (on average 1.3739018087855297) internal successors, (5317), 4088 states have internal predecessors, (5317), 2039 states have call successors, (2039), 329 states have call predecessors, (2039), 328 states have return successors, (2002), 1939 states have call predecessors, (2002), 2002 states have call successors, (2002) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-23 02:46:38,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:42,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:44,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:46:50,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:46:57,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:00,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:03,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:05,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:05,242 INFO L93 Difference]: Finished difference Result 18196 states and 28293 transitions. [2021-11-23 02:47:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:47:05,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 147 [2021-11-23 02:47:05,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:05,408 INFO L225 Difference]: With dead ends: 18196 [2021-11-23 02:47:05,409 INFO L226 Difference]: Without dead ends: 11837 [2021-11-23 02:47:05,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:05,517 INFO L933 BasicCegarLoop]: 10859 mSDtfsCounter, 8855 mSDsluCounter, 9290 mSDsCounter, 0 mSdLazyCounter, 1927 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8858 SdHoareTripleChecker+Valid, 19244 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1927 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:05,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8858 Valid, 19244 Invalid, 1939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1927 Invalid, 7 Unknown, 0 Unchecked, 27.8s Time] [2021-11-23 02:47:05,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11837 states. [2021-11-23 02:47:06,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11837 to 11806. [2021-11-23 02:47:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11806 states, 7378 states have (on average 1.3616156139875304) internal successors, (10046), 7729 states have internal predecessors, (10046), 3784 states have call successors, (3784), 645 states have call predecessors, (3784), 643 states have return successors, (4103), 3652 states have call predecessors, (4103), 3783 states have call successors, (4103) [2021-11-23 02:47:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11806 states to 11806 states and 17933 transitions. [2021-11-23 02:47:06,720 INFO L78 Accepts]: Start accepts. Automaton has 11806 states and 17933 transitions. Word has length 147 [2021-11-23 02:47:06,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:06,722 INFO L470 AbstractCegarLoop]: Abstraction has 11806 states and 17933 transitions. [2021-11-23 02:47:06,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-23 02:47:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 11806 states and 17933 transitions. [2021-11-23 02:47:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 02:47:06,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:06,752 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:47:06,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:47:06,754 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:47:06,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:06,757 INFO L85 PathProgramCache]: Analyzing trace with hash 562900603, now seen corresponding path program 1 times [2021-11-23 02:47:06,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:06,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530631127] [2021-11-23 02:47:06,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:06,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-23 02:47:08,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:08,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530631127] [2021-11-23 02:47:08,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530631127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:08,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:08,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:47:08,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785147331] [2021-11-23 02:47:08,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:08,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:47:08,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:08,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:47:08,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:08,154 INFO L87 Difference]: Start difference. First operand 11806 states and 17933 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:47:10,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:13,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:17,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:23,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:26,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:28,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:28,418 INFO L93 Difference]: Finished difference Result 17818 states and 27187 transitions. [2021-11-23 02:47:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:47:28,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 155 [2021-11-23 02:47:28,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:28,633 INFO L225 Difference]: With dead ends: 17818 [2021-11-23 02:47:28,634 INFO L226 Difference]: Without dead ends: 17815 [2021-11-23 02:47:28,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:28,651 INFO L933 BasicCegarLoop]: 9378 mSDtfsCounter, 8190 mSDsluCounter, 5808 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8193 SdHoareTripleChecker+Valid, 14613 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:28,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8193 Valid, 14613 Invalid, 1495 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1489 Invalid, 5 Unknown, 0 Unchecked, 19.6s Time] [2021-11-23 02:47:28,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17815 states. [2021-11-23 02:47:29,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17815 to 17521. [2021-11-23 02:47:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17521 states, 11141 states have (on average 1.3691769141010681) internal successors, (15254), 11659 states have internal predecessors, (15254), 5367 states have call successors, (5367), 1039 states have call predecessors, (5367), 1012 states have return successors, (6051), 5098 states have call predecessors, (6051), 5366 states have call successors, (6051) [2021-11-23 02:47:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17521 states to 17521 states and 26672 transitions. [2021-11-23 02:47:29,854 INFO L78 Accepts]: Start accepts. Automaton has 17521 states and 26672 transitions. Word has length 155 [2021-11-23 02:47:29,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:47:29,855 INFO L470 AbstractCegarLoop]: Abstraction has 17521 states and 26672 transitions. [2021-11-23 02:47:29,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:47:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 17521 states and 26672 transitions. [2021-11-23 02:47:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-23 02:47:29,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:47:29,969 INFO L514 BasicCegarLoop]: trace histogram [10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 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] [2021-11-23 02:47:29,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:47:29,969 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:47:29,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:47:29,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1282348541, now seen corresponding path program 1 times [2021-11-23 02:47:29,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:47:29,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110503946] [2021-11-23 02:47:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:47:29,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:47:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:47:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-23 02:47:31,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:47:31,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110503946] [2021-11-23 02:47:31,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110503946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:47:31,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:47:31,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:47:31,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631654590] [2021-11-23 02:47:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:47:31,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:47:31,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:47:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:47:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:31,139 INFO L87 Difference]: Start difference. First operand 17521 states and 26672 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-23 02:47:33,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:36,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:38,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:41,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:43,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:44,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:50,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:54,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:56,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:47:58,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:47:59,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:47:59,270 INFO L93 Difference]: Finished difference Result 50858 states and 77389 transitions. [2021-11-23 02:47:59,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:47:59,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 316 [2021-11-23 02:47:59,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:47:59,547 INFO L225 Difference]: With dead ends: 50858 [2021-11-23 02:47:59,547 INFO L226 Difference]: Without dead ends: 33358 [2021-11-23 02:47:59,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:47:59,692 INFO L933 BasicCegarLoop]: 10329 mSDtfsCounter, 8522 mSDsluCounter, 9164 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8527 SdHoareTripleChecker+Valid, 18595 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:47:59,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8527 Valid, 18595 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1886 Invalid, 6 Unknown, 0 Unchecked, 26.8s Time] [2021-11-23 02:47:59,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33358 states. [2021-11-23 02:48:01,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33358 to 33339. [2021-11-23 02:48:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33339 states, 21281 states have (on average 1.3708942248954465) internal successors, (29174), 22257 states have internal predecessors, (29174), 10114 states have call successors, (10114), 1993 states have call predecessors, (10114), 1943 states have return successors, (11438), 9602 states have call predecessors, (11438), 10113 states have call successors, (11438) [2021-11-23 02:48:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33339 states to 33339 states and 50726 transitions. [2021-11-23 02:48:02,422 INFO L78 Accepts]: Start accepts. Automaton has 33339 states and 50726 transitions. Word has length 316 [2021-11-23 02:48:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:48:02,427 INFO L470 AbstractCegarLoop]: Abstraction has 33339 states and 50726 transitions. [2021-11-23 02:48:02,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-23 02:48:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 33339 states and 50726 transitions. [2021-11-23 02:48:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-23 02:48:02,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:48:02,538 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-23 02:48:02,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:48:02,539 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:48:02,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:48:02,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1879181841, now seen corresponding path program 1 times [2021-11-23 02:48:02,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:48:02,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305232597] [2021-11-23 02:48:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:48:02,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:48:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:48:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-11-23 02:48:03,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:48:03,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305232597] [2021-11-23 02:48:03,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305232597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:48:03,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:48:03,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:48:03,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374254989] [2021-11-23 02:48:03,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:48:03,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:48:03,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:48:03,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:48:03,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:03,433 INFO L87 Difference]: Start difference. First operand 33339 states and 50726 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-23 02:48:05,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:08,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:12,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:20,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:24,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:48:27,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:48:29,250 INFO L93 Difference]: Finished difference Result 96692 states and 146811 transitions. [2021-11-23 02:48:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:48:29,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 319 [2021-11-23 02:48:29,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:48:29,915 INFO L225 Difference]: With dead ends: 96692 [2021-11-23 02:48:29,916 INFO L226 Difference]: Without dead ends: 63374 [2021-11-23 02:48:30,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:30,145 INFO L933 BasicCegarLoop]: 10422 mSDtfsCounter, 8132 mSDsluCounter, 9188 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8136 SdHoareTripleChecker+Valid, 18710 SdHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:48:30,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8136 Valid, 18710 Invalid, 1885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1878 Invalid, 6 Unknown, 0 Unchecked, 23.4s Time] [2021-11-23 02:48:30,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63374 states. [2021-11-23 02:48:34,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63374 to 63113. [2021-11-23 02:48:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63113 states, 40152 states have (on average 1.36523709902371) internal successors, (54817), 42036 states have internal predecessors, (54817), 19179 states have call successors, (19179), 3879 states have call predecessors, (19179), 3781 states have return successors, (21748), 18201 states have call predecessors, (21748), 19178 states have call successors, (21748) [2021-11-23 02:48:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63113 states to 63113 states and 95744 transitions. [2021-11-23 02:48:34,960 INFO L78 Accepts]: Start accepts. Automaton has 63113 states and 95744 transitions. Word has length 319 [2021-11-23 02:48:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:48:34,961 INFO L470 AbstractCegarLoop]: Abstraction has 63113 states and 95744 transitions. [2021-11-23 02:48:34,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-23 02:48:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 63113 states and 95744 transitions. [2021-11-23 02:48:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-23 02:48:35,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:48:35,263 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:48:35,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:48:35,266 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:48:35,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:48:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1979172166, now seen corresponding path program 1 times [2021-11-23 02:48:35,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:48:35,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007358089] [2021-11-23 02:48:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:48:35,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:48:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:48:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-11-23 02:48:36,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:48:36,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007358089] [2021-11-23 02:48:36,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007358089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:48:36,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:48:36,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:48:36,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488815332] [2021-11-23 02:48:36,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:48:36,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:48:36,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:48:36,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:48:36,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:48:36,600 INFO L87 Difference]: Start difference. First operand 63113 states and 95744 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-23 02:48:38,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:41,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:44,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:48:50,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:02,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:05,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:49:07,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:11,223 INFO L93 Difference]: Finished difference Result 188391 states and 285801 transitions. [2021-11-23 02:49:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:11,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 470 [2021-11-23 02:49:11,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:12,458 INFO L225 Difference]: With dead ends: 188391 [2021-11-23 02:49:12,458 INFO L226 Difference]: Without dead ends: 125299 [2021-11-23 02:49:12,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:12,803 INFO L933 BasicCegarLoop]: 15088 mSDtfsCounter, 8932 mSDsluCounter, 9144 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8937 SdHoareTripleChecker+Valid, 23337 SdHoareTripleChecker+Invalid, 2502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:12,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8937 Valid, 23337 Invalid, 2502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2495 Invalid, 7 Unknown, 0 Unchecked, 30.2s Time] [2021-11-23 02:49:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125299 states. [2021-11-23 02:49:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125299 to 125181. [2021-11-23 02:49:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125181 states, 79740 states have (on average 1.3669300225733634) internal successors, (108999), 83512 states have internal predecessors, (108999), 37903 states have call successors, (37903), 7731 states have call predecessors, (37903), 7537 states have return successors, (43045), 35941 states have call predecessors, (43045), 37902 states have call successors, (43045) [2021-11-23 02:49:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125181 states to 125181 states and 189947 transitions. [2021-11-23 02:49:20,724 INFO L78 Accepts]: Start accepts. Automaton has 125181 states and 189947 transitions. Word has length 470 [2021-11-23 02:49:20,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:20,725 INFO L470 AbstractCegarLoop]: Abstraction has 125181 states and 189947 transitions. [2021-11-23 02:49:20,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-23 02:49:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 125181 states and 189947 transitions. [2021-11-23 02:49:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2021-11-23 02:49:21,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:21,519 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 11, 11, 11, 10, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:21,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:49:21,520 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:21,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:21,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1932443611, now seen corresponding path program 1 times [2021-11-23 02:49:21,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:21,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916870004] [2021-11-23 02:49:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:21,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:22,640 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:49:22,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596982759] [2021-11-23 02:49:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:22,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:49:22,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:22,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:49:22,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:49:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:28,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 15093 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:49:28,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4594 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4594 trivial. 0 not checked. [2021-11-23 02:49:30,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:49:30,913 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:49:30,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916870004] [2021-11-23 02:49:30,913 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:49:30,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596982759] [2021-11-23 02:49:30,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596982759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:30,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:30,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:49:30,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479959555] [2021-11-23 02:49:30,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:30,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:49:30,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:49:30,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:49:30,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:30,918 INFO L87 Difference]: Start difference. First operand 125181 states and 189947 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 1 states have call predecessors, (97), 1 states have call successors, (97) [2021-11-23 02:49:33,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:36,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:43,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:46,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:49,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:49:54,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:49:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:57,171 INFO L93 Difference]: Finished difference Result 166083 states and 252808 transitions. [2021-11-23 02:49:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:49:57,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 1 states have call predecessors, (97), 1 states have call successors, (97) Word has length 728 [2021-11-23 02:49:57,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:58,415 INFO L225 Difference]: With dead ends: 166083 [2021-11-23 02:49:58,416 INFO L226 Difference]: Without dead ends: 166080 [2021-11-23 02:49:58,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:49:58,504 INFO L933 BasicCegarLoop]: 9439 mSDtfsCounter, 8119 mSDsluCounter, 5807 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8122 SdHoareTripleChecker+Valid, 14673 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:58,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8122 Valid, 14673 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1490 Invalid, 6 Unknown, 0 Unchecked, 22.0s Time] [2021-11-23 02:49:58,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166080 states. [2021-11-23 02:50:06,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166080 to 163625. [2021-11-23 02:50:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163625 states, 105194 states have (on average 1.3708671597239386) internal successors, (144207), 110054 states have internal predecessors, (144207), 48338 states have call successors, (48338), 10455 states have call predecessors, (48338), 10092 states have return successors, (56089), 45417 states have call predecessors, (56089), 48337 states have call successors, (56089) [2021-11-23 02:50:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163625 states to 163625 states and 248634 transitions. [2021-11-23 02:50:08,094 INFO L78 Accepts]: Start accepts. Automaton has 163625 states and 248634 transitions. Word has length 728 [2021-11-23 02:50:08,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:50:08,096 INFO L470 AbstractCegarLoop]: Abstraction has 163625 states and 248634 transitions. [2021-11-23 02:50:08,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 1 states have call predecessors, (97), 1 states have call successors, (97) [2021-11-23 02:50:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 163625 states and 248634 transitions. [2021-11-23 02:50:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-11-23 02:50:08,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:50:08,439 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 12, 12, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1] [2021-11-23 02:50:08,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:50:08,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbfe76f-2524-4af3-9b92-e9d78ae42f5c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:50:08,665 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:50:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:50:08,666 INFO L85 PathProgramCache]: Analyzing trace with hash -813052183, now seen corresponding path program 1 times [2021-11-23 02:50:08,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:50:08,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716551145] [2021-11-23 02:50:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:50:08,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:50:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:50:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5083 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5017 trivial. 0 not checked. [2021-11-23 02:50:10,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:50:10,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716551145] [2021-11-23 02:50:10,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716551145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:50:10,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:50:10,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:50:10,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391556012] [2021-11-23 02:50:10,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:50:10,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:50:10,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:50:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:50:10,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:50:10,422 INFO L87 Difference]: Start difference. First operand 163625 states and 248634 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 3 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2021-11-23 02:50:12,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:16,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:18,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:23,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:25,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:30,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:50:38,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:50:40,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []