./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/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_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P --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-53f42b1 [2021-11-20 23:36:00,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:36:00,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:36:00,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:36:00,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:36:00,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:36:00,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:36:00,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:36:00,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:36:00,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:36:00,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:36:00,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:36:00,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:36:00,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:36:00,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:36:00,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:36:00,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:36:00,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:36:00,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:36:00,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:36:00,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:36:00,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:36:00,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:36:00,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:36:00,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:36:00,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:36:00,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:36:00,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:36:00,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:36:00,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:36:00,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:36:00,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:36:00,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:36:00,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:36:00,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:36:00,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:36:00,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:36:00,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:36:00,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:36:00,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:36:00,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:36:00,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:36:00,914 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:36:00,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:36:00,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:36:00,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:36:00,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:36:00,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:36:00,916 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:36:00,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:36:00,916 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:36:00,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:36:00,917 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:36:00,917 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:36:00,917 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:36:00,917 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:36:00,917 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:36:00,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:36:00,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:36:00,918 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:36:00,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:36:00,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:36:00,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:36:00,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:36:00,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:36:00,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:36:00,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:36:00,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:36:00,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:36:00,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:36:00,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:36:00,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:36:00,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:36:00,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:36:00,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:36:00,922 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:36:00,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:36:00,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:36:00,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:36:00,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:36:00,923 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_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a171ff224376cf8290462f462f8b255eba22e68c644930bef5dec76a3be72788 [2021-11-20 23:36:01,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:36:01,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:36:01,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:36:01,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:36:01,227 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:36:01,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/../../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 [2021-11-20 23:36:01,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/data/ec4cb34ed/6ed2916ae1d046ceb344571d088e1487/FLAGe70b08835 [2021-11-20 23:36:02,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:36:02,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/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 [2021-11-20 23:36:02,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/data/ec4cb34ed/6ed2916ae1d046ceb344571d088e1487/FLAGe70b08835 [2021-11-20 23:36:02,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/data/ec4cb34ed/6ed2916ae1d046ceb344571d088e1487 [2021-11-20 23:36:02,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:36:02,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:36:02,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:36:02,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:36:02,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:36:02,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:02" (1/1) ... [2021-11-20 23:36:02,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285180fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:02, skipping insertion in model container [2021-11-20 23:36:02,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:02" (1/1) ... [2021-11-20 23:36:02,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:36:03,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:36:13,996 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_13742472-222d-4a9a-b3f1-d167a5900486/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] [2021-11-20 23:36:14,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:36:14,226 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:36:15,662 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_13742472-222d-4a9a-b3f1-d167a5900486/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] [2021-11-20 23:36:15,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:36:16,147 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:36:16,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16 WrapperNode [2021-11-20 23:36:16,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:36:16,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:36:16,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:36:16,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:36:16,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:16,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:17,168 INFO L137 Inliner]: procedures = 834, calls = 11670, calls flagged for inlining = 388, calls inlined = 349, statements flattened = 23741 [2021-11-20 23:36:17,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:36:17,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:36:17,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:36:17,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:36:17,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:17,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:17,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:17,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:17,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:18,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:18,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:18,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:36:18,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:36:18,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:36:18,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:36:18,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (1/1) ... [2021-11-20 23:36:18,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:36:18,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:18,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:36:18,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:36:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-20 23:36:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-20 23:36:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-20 23:36:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-20 23:36:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-20 23:36:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-20 23:36:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-20 23:36:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-20 23:36:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-20 23:36:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-20 23:36:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-20 23:36:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-20 23:36:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-20 23:36:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-20 23:36:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_map_resources [2021-11-20 23:36:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_map_resources [2021-11-20 23:36:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 23:36:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 23:36:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:36:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:36:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-20 23:36:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-20 23:36:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-20 23:36:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-20 23:36:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-20 23:36:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-20 23:36:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-20 23:36:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-20 23:36:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-20 23:36:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-20 23:36:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 23:36:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 23:36:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-20 23:36:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-20 23:36:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-20 23:36:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-20 23:36:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-20 23:36:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-20 23:36:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-20 23:36:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-20 23:36:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 23:36:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 23:36:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-20 23:36:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-20 23:36:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-20 23:36:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-20 23:36:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-20 23:36:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-20 23:36:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-20 23:36:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-20 23:36:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:36:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:36:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 23:36:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 23:36:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg8 [2021-11-20 23:36:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg8 [2021-11-20 23:36:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 23:36:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 23:36:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_phy_reset [2021-11-20 23:36:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_phy_reset [2021-11-20 23:36:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-20 23:36:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-20 23:36:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-20 23:36:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-20 23:36:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-20 23:36:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-20 23:36:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-20 23:36:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-20 23:36:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-20 23:36:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-20 23:36:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure _base_unmask_events [2021-11-20 23:36:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_unmask_events [2021-11-20 23:36:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-20 23:36:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-20 23:36:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-20 23:36:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-20 23:36:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-20 23:36:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-20 23:36:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure raid_class_release [2021-11-20 23:36:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_class_release [2021-11-20 23:36:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-20 23:36:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-20 23:36:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-20 23:36:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-20 23:36:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:36:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:36:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-20 23:36:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-20 23:36:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_slot_reset [2021-11-20 23:36:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_slot_reset [2021-11-20 23:36:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_raid [2021-11-20 23:36:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_raid [2021-11-20 23:36:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-20 23:36:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-20 23:36:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-20 23:36:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-20 23:36:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:36:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-20 23:36:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-20 23:36:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-20 23:36:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-20 23:36:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-20 23:36:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-20 23:36:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-20 23:36:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-20 23:36:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-20 23:36:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-20 23:36:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-20 23:36:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-20 23:36:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 23:36:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 23:36:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-20 23:36:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-20 23:36:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-20 23:36:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-20 23:36:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 23:36:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 23:36:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 23:36:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 23:36:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:36:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:36:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-20 23:36:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-20 23:36:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 23:36:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 23:36:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-20 23:36:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-20 23:36:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_32 [2021-11-20 23:36:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_32 [2021-11-20 23:36:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-20 23:36:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-20 23:36:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-20 23:36:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-20 23:36:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-20 23:36:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-20 23:36:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 23:36:18,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 23:36:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-20 23:36:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-20 23:36:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-20 23:36:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-20 23:36:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:36:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-20 23:36:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-20 23:36:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-20 23:36:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-20 23:36:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-20 23:36:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 23:36:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 23:36:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:36:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:36:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:36:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-20 23:36:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-20 23:36:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:36:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sanity_check [2021-11-20 23:36:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sanity_check [2021-11-20 23:36:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:36:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-20 23:36:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-20 23:36:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-20 23:36:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-20 23:36:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-20 23:36:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-20 23:36:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-20 23:36:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-20 23:36:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-20 23:36:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-20 23:36:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_int [2021-11-20 23:36:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_int [2021-11-20 23:36:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-20 23:36:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-20 23:36:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_release_callback_handler [2021-11-20 23:36:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_release_callback_handler [2021-11-20 23:36:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-20 23:36:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-20 23:36:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure sas_release_transport [2021-11-20 23:36:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_release_transport [2021-11-20 23:36:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-20 23:36:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-20 23:36:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-20 23:36:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-20 23:36:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-20 23:36:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-20 23:36:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 23:36:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 23:36:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-20 23:36:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-20 23:36:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-20 23:36:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-20 23:36:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:36:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:36:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure bio_data [2021-11-20 23:36:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_data [2021-11-20 23:36:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:36:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:36:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 23:36:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 23:36:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-20 23:36:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-20 23:36:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 23:36:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 23:36:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:36:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_35 [2021-11-20 23:36:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_35 [2021-11-20 23:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 23:36:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 23:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_delete_port [2021-11-20 23:36:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_delete_port [2021-11-20 23:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 23:36:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 23:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-20 23:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-20 23:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-20 23:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-20 23:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-20 23:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-20 23:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-20 23:36:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-20 23:36:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-20 23:36:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-20 23:36:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-20 23:36:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-20 23:36:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-20 23:36:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-20 23:36:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-20 23:36:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-20 23:36:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 23:36:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 23:36:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_resume [2021-11-20 23:36:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_resume [2021-11-20 23:36:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 23:36:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 23:36:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 23:36:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 23:36:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-20 23:36:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-20 23:36:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-20 23:36:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-20 23:36:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-20 23:36:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-20 23:36:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 23:36:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 23:36:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-20 23:36:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-20 23:36:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:36:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:36:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-20 23:36:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-20 23:36:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-20 23:36:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-20 23:36:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 23:36:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 23:36:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure rphy_to_ioc [2021-11-20 23:36:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rphy_to_ioc [2021-11-20 23:36:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-20 23:36:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-20 23:36:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-20 23:36:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-20 23:36:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:36:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-20 23:36:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-20 23:36:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:36:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:36:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-20 23:36:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-20 23:36:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-20 23:36:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-20 23:36:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-20 23:36:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-20 23:36:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:36:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 23:36:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 23:36:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-20 23:36:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-20 23:36:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-20 23:36:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-20 23:36:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-20 23:36:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-20 23:36:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-20 23:36:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-20 23:36:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-20 23:36:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-20 23:36:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-20 23:36:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-20 23:36:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2021-11-20 23:36:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2021-11-20 23:36:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-11-20 23:36:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-11-20 23:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-20 23:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 23:36:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 23:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:36:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-20 23:36:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-20 23:36:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-20 23:36:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-20 23:36:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-20 23:36:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-20 23:36:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-20 23:36:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-20 23:36:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-20 23:36:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-20 23:36:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:36:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:36:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-20 23:36:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-20 23:36:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2021-11-20 23:36:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2021-11-20 23:36:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-20 23:36:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-20 23:36:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-20 23:36:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-20 23:36:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-20 23:36:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-20 23:36:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 23:36:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 23:36:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-20 23:36:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-20 23:36:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 23:36:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 23:36:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-20 23:36:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-20 23:36:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-20 23:36:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-20 23:36:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-20 23:36:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-20 23:36:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_change_queue_depth [2021-11-20 23:36:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_change_queue_depth [2021-11-20 23:36:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_register_callback_handler [2021-11-20 23:36:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_register_callback_handler [2021-11-20 23:36:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-20 23:36:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-20 23:36:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 23:36:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 23:36:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:36:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-20 23:36:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-20 23:36:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:36:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:36:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-20 23:36:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-20 23:36:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-20 23:36:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-20 23:36:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-20 23:36:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-20 23:36:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-20 23:36:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-20 23:36:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-20 23:36:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-20 23:36:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-20 23:36:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-20 23:36:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-20 23:36:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-20 23:36:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 23:36:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 23:36:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure phy_to_ioc [2021-11-20 23:36:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_to_ioc [2021-11-20 23:36:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-20 23:36:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-20 23:36:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-20 23:36:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-20 23:36:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_delete [2021-11-20 23:36:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_delete [2021-11-20 23:36:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-20 23:36:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-20 23:36:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 23:36:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 23:36:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-20 23:36:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-20 23:36:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 23:36:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 23:36:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_unresponding_sas_devices [2021-11-20 23:36:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_unresponding_sas_devices [2021-11-20 23:36:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-20 23:36:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-20 23:36:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-20 23:36:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-20 23:36:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-20 23:36:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-20 23:36:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:36:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:36:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 23:36:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 23:36:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-20 23:36:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-20 23:36:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-20 23:36:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-20 23:36:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 23:36:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 23:36:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:36:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:36:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_pfa_led [2021-11-20 23:36:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_pfa_led [2021-11-20 23:36:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_sas [2021-11-20 23:36:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_sas [2021-11-20 23:36:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-20 23:36:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-20 23:36:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-20 23:36:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-20 23:36:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-20 23:36:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-20 23:36:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-20 23:36:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-20 23:36:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:36:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:36:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure _base_request_irq [2021-11-20 23:36:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_request_irq [2021-11-20 23:36:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-20 23:36:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-20 23:36:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-20 23:36:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-20 23:36:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_error_detected [2021-11-20 23:36:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_error_detected [2021-11-20 23:36:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-20 23:36:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-20 23:36:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-20 23:36:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-20 23:36:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-20 23:36:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-20 23:36:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:36:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:36:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-20 23:36:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-20 23:36:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-20 23:36:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-20 23:36:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-20 23:36:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-20 23:36:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-20 23:36:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-20 23:36:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:36:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-20 23:36:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-20 23:36:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 23:36:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 23:36:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-20 23:36:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-20 23:36:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:36:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:36:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-20 23:36:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-20 23:36:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:36:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_chain_buffer_tracker [2021-11-20 23:36:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_chain_buffer_tracker [2021-11-20 23:36:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 23:36:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 23:36:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:36:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:36:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-20 23:36:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-20 23:36:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:36:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-11-20 23:36:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-11-20 23:36:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 23:36:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 23:36:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-20 23:36:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-20 23:36:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-20 23:36:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-20 23:36:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-20 23:36:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-20 23:36:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:36:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:36:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-20 23:36:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-20 23:36:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-20 23:36:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-20 23:36:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 23:36:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 23:36:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2021-11-20 23:36:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2021-11-20 23:36:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-20 23:36:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-20 23:36:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 23:36:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 23:36:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-20 23:36:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-20 23:36:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-20 23:36:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-20 23:36:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-20 23:36:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-20 23:36:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-20 23:36:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-20 23:36:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_33 [2021-11-20 23:36:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_33 [2021-11-20 23:36:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-20 23:36:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-20 23:36:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 23:36:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 23:36:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-20 23:36:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-20 23:36:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-20 23:36:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-20 23:36:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-20 23:36:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-20 23:36:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:36:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:36:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-20 23:36:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-20 23:36:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-20 23:36:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-20 23:36:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-20 23:36:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-20 23:36:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-20 23:36:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-20 23:36:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-20 23:36:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-20 23:36:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:36:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:36:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-20 23:36:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-20 23:36:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 23:36:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 23:36:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-20 23:36:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-20 23:36:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 23:36:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 23:36:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 23:36:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 23:36:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-20 23:36:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-20 23:36:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-20 23:36:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-20 23:36:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-20 23:36:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-20 23:36:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-20 23:36:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-20 23:36:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 23:36:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 23:36:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:36:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-20 23:36:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-20 23:36:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:36:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:36:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-20 23:36:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-20 23:36:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 23:36:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 23:36:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-20 23:36:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-20 23:36:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_phy_control [2021-11-20 23:36:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_phy_control [2021-11-20 23:36:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-20 23:36:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-20 23:36:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-20 23:36:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-20 23:36:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-20 23:36:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-20 23:36:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-20 23:36:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-20 23:36:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_fasync [2021-11-20 23:36:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_fasync [2021-11-20 23:36:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-20 23:36:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-20 23:36:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 23:36:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 23:36:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 23:36:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 23:36:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_120 [2021-11-20 23:36:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_120 [2021-11-20 23:36:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 23:36:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 23:36:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 23:36:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 23:36:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_tm_display_info [2021-11-20 23:36:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_tm_display_info [2021-11-20 23:36:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-20 23:36:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-20 23:36:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-20 23:36:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-20 23:36:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-11-20 23:36:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-11-20 23:36:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-20 23:36:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-20 23:36:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-20 23:36:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-20 23:36:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-20 23:36:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-20 23:36:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:36:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-20 23:36:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-20 23:36:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_off_pfa_led [2021-11-20 23:36:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_off_pfa_led [2021-11-20 23:36:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-20 23:36:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-20 23:36:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-20 23:36:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-20 23:36:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 23:36:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 23:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-20 23:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-20 23:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-20 23:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-20 23:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-20 23:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-20 23:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-20 23:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-20 23:36:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-20 23:36:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-20 23:36:18,660 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 [2021-11-20 23:36:18,660 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 [2021-11-20 23:36:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-20 23:36:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-20 23:36:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-20 23:36:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-20 23:36:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-20 23:36:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-20 23:36:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_set_prot [2021-11-20 23:36:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_set_prot [2021-11-20 23:36:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-20 23:36:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-20 23:36:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-20 23:36:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-20 23:36:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-20 23:36:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-20 23:36:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-20 23:36:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-20 23:36:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-20 23:36:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-20 23:36:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-20 23:36:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-20 23:36:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-20 23:36:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-20 23:36:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:36:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:36:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_poll [2021-11-20 23:36:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_poll [2021-11-20 23:36:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-20 23:36:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-20 23:36:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-20 23:36:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-20 23:36:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_int [2021-11-20 23:36:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_int [2021-11-20 23:36:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-20 23:36:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-20 23:36:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-20 23:36:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-20 23:36:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-20 23:36:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-20 23:36:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 23:36:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 23:36:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-20 23:36:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-20 23:36:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 23:36:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 23:36:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-20 23:36:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-20 23:36:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-20 23:36:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-20 23:36:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-20 23:36:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-20 23:36:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_118 [2021-11-20 23:36:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_118 [2021-11-20 23:36:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_del_phy_from_an_existing_port [2021-11-20 23:36:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_del_phy_from_an_existing_port [2021-11-20 23:36:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-20 23:36:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-20 23:36:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-20 23:36:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-20 23:36:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:36:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:36:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-20 23:36:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-20 23:36:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 23:36:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 23:36:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:36:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:36:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:36:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-20 23:36:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-20 23:36:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2021-11-20 23:36:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2021-11-20 23:36:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-20 23:36:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-20 23:36:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 23:36:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_mmio_enabled [2021-11-20 23:36:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_mmio_enabled [2021-11-20 23:36:21,095 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:36:21,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:36:22,046 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:36:57,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:37:12,672 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:37:12,672 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:37:12,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:12 BoogieIcfgContainer [2021-11-20 23:37:12,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:37:12,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:37:12,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:37:12,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:37:12,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:36:02" (1/3) ... [2021-11-20 23:37:12,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfab8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:12, skipping insertion in model container [2021-11-20 23:37:12,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:16" (2/3) ... [2021-11-20 23:37:12,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfab8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:12, skipping insertion in model container [2021-11-20 23:37:12,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:12" (3/3) ... [2021-11-20 23:37:12,695 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-20 23:37:12,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:37:12,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:37:12,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:37:12,788 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 [2021-11-20 23:37:12,789 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:37:12,939 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) [2021-11-20 23:37:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-20 23:37:12,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:12,980 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] [2021-11-20 23:37:12,980 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:12,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:12,985 INFO L85 PathProgramCache]: Analyzing trace with hash -404928040, now seen corresponding path program 1 times [2021-11-20 23:37:12,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:12,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500707017] [2021-11-20 23:37:12,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:12,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 23:37:14,578 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:14,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500707017] [2021-11-20 23:37:14,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500707017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:14,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:14,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:37:14,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066844022] [2021-11-20 23:37:14,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:14,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:37:14,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:14,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:37:14,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:37:14,639 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) [2021-11-20 23:37:16,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:20,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:25,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:28,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:32,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:36,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:39,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:37:40,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:40,733 INFO L93 Difference]: Finished difference Result 18307 states and 28783 transitions. [2021-11-20 23:37:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:37:40,736 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 [2021-11-20 23:37:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:40,901 INFO L225 Difference]: With dead ends: 18307 [2021-11-20 23:37:40,901 INFO L226 Difference]: Without dead ends: 11948 [2021-11-20 23:37:40,989 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 [2021-11-20 23:37:41,000 INFO L933 BasicCegarLoop]: 10912 mSDtfsCounter, 9017 mSDsluCounter, 9607 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9020 SdHoareTripleChecker+Valid, 19614 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:41,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9020 Valid, 19614 Invalid, 1942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1932 Invalid, 5 Unknown, 0 Unchecked, 24.7s Time] [2021-11-20 23:37:41,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11948 states. [2021-11-20 23:37:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11948 to 11918. [2021-11-20 23:37:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11918 states, 7451 states have (on average 1.3616964165883774) internal successors, (10146), 7798 states have internal predecessors, (10146), 3820 states have call successors, (3820), 647 states have call predecessors, (3820), 646 states have return successors, (4447), 3693 states have call predecessors, (4447), 3819 states have call successors, (4447) [2021-11-20 23:37:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11918 states to 11918 states and 18413 transitions. [2021-11-20 23:37:42,263 INFO L78 Accepts]: Start accepts. Automaton has 11918 states and 18413 transitions. Word has length 147 [2021-11-20 23:37:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:42,269 INFO L470 AbstractCegarLoop]: Abstraction has 11918 states and 18413 transitions. [2021-11-20 23:37:42,270 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) [2021-11-20 23:37:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 11918 states and 18413 transitions. [2021-11-20 23:37:42,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-20 23:37:42,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:42,292 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] [2021-11-20 23:37:42,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:37:42,293 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:42,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:42,297 INFO L85 PathProgramCache]: Analyzing trace with hash 562900603, now seen corresponding path program 1 times [2021-11-20 23:37:42,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:42,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690761979] [2021-11-20 23:37:42,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:42,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-20 23:37:43,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:43,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690761979] [2021-11-20 23:37:43,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690761979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:43,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:43,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:37:43,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491631744] [2021-11-20 23:37:43,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:43,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:37:43,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:43,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:37:43,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:37:43,273 INFO L87 Difference]: Start difference. First operand 11918 states and 18413 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) [2021-11-20 23:37:45,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:49,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:51,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:53,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:56,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:37:59,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:01,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:38:01,986 INFO L93 Difference]: Finished difference Result 17944 states and 27800 transitions. [2021-11-20 23:38:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:38:01,986 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 [2021-11-20 23:38:01,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:38:02,296 INFO L225 Difference]: With dead ends: 17944 [2021-11-20 23:38:02,296 INFO L226 Difference]: Without dead ends: 17941 [2021-11-20 23:38:02,310 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 [2021-11-20 23:38:02,313 INFO L933 BasicCegarLoop]: 9417 mSDtfsCounter, 8198 mSDsluCounter, 5807 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8201 SdHoareTripleChecker+Valid, 14650 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:38:02,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8201 Valid, 14650 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1493 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2021-11-20 23:38:02,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17941 states. [2021-11-20 23:38:03,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17941 to 17656. [2021-11-20 23:38:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17656 states, 11232 states have (on average 1.3691239316239316) internal successors, (15378), 11745 states have internal predecessors, (15378), 5406 states have call successors, (5406), 1043 states have call predecessors, (5406), 1017 states have return successors, (6507), 5143 states have call predecessors, (6507), 5405 states have call successors, (6507) [2021-11-20 23:38:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17656 states to 17656 states and 27291 transitions. [2021-11-20 23:38:03,473 INFO L78 Accepts]: Start accepts. Automaton has 17656 states and 27291 transitions. Word has length 155 [2021-11-20 23:38:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:38:03,474 INFO L470 AbstractCegarLoop]: Abstraction has 17656 states and 27291 transitions. [2021-11-20 23:38:03,475 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) [2021-11-20 23:38:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 17656 states and 27291 transitions. [2021-11-20 23:38:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-20 23:38:03,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:38:03,587 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] [2021-11-20 23:38:03,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:38:03,587 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:38:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:38:03,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1282348541, now seen corresponding path program 1 times [2021-11-20 23:38:03,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:38:03,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643177677] [2021-11-20 23:38:03,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:03,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:38:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-20 23:38:04,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:38:04,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643177677] [2021-11-20 23:38:04,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643177677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:38:04,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:38:04,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:38:04,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909232333] [2021-11-20 23:38:04,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:38:04,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:38:04,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:38:04,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:38:04,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:38:04,637 INFO L87 Difference]: Start difference. First operand 17656 states and 27291 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) [2021-11-20 23:38:06,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:09,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:11,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:13,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:15,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:21,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:25,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:38:27,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:38:27,004 INFO L93 Difference]: Finished difference Result 51181 states and 79069 transitions. [2021-11-20 23:38:27,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:38:27,006 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 [2021-11-20 23:38:27,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:38:27,274 INFO L225 Difference]: With dead ends: 51181 [2021-11-20 23:38:27,274 INFO L226 Difference]: Without dead ends: 33546 [2021-11-20 23:38:27,410 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 [2021-11-20 23:38:27,414 INFO L933 BasicCegarLoop]: 10126 mSDtfsCounter, 8553 mSDsluCounter, 9165 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8555 SdHoareTripleChecker+Valid, 18392 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:38:27,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8555 Valid, 18392 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1861 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2021-11-20 23:38:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33546 states. [2021-11-20 23:38:29,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33546 to 33532. [2021-11-20 23:38:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33532 states, 21412 states have (on average 1.3706332897440687) internal successors, (29348), 22380 states have internal predecessors, (29348), 10166 states have call successors, (10166), 2001 states have call predecessors, (10166), 1953 states have return successors, (12278), 9664 states have call predecessors, (12278), 10165 states have call successors, (12278) [2021-11-20 23:38:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33532 states to 33532 states and 51792 transitions. [2021-11-20 23:38:29,926 INFO L78 Accepts]: Start accepts. Automaton has 33532 states and 51792 transitions. Word has length 316 [2021-11-20 23:38:29,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:38:29,926 INFO L470 AbstractCegarLoop]: Abstraction has 33532 states and 51792 transitions. [2021-11-20 23:38:29,927 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) [2021-11-20 23:38:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 33532 states and 51792 transitions. [2021-11-20 23:38:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-20 23:38:30,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:38:30,130 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] [2021-11-20 23:38:30,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:38:30,131 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:38:30,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:38:30,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1979172166, now seen corresponding path program 1 times [2021-11-20 23:38:30,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:38:30,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992642658] [2021-11-20 23:38:30,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:30,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:38:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-11-20 23:38:31,120 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:38:31,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992642658] [2021-11-20 23:38:31,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992642658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:38:31,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:38:31,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:38:31,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136077335] [2021-11-20 23:38:31,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:38:31,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:38:31,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:38:31,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:38:31,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:38:31,123 INFO L87 Difference]: Start difference. First operand 33532 states and 51792 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) [2021-11-20 23:38:33,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:35,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:39,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:42,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:51,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:38:54,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:38:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:38:55,146 INFO L93 Difference]: Finished difference Result 78283 states and 120777 transitions. [2021-11-20 23:38:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:38:55,146 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 [2021-11-20 23:38:55,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:38:55,490 INFO L225 Difference]: With dead ends: 78283 [2021-11-20 23:38:55,490 INFO L226 Difference]: Without dead ends: 44772 [2021-11-20 23:38:55,664 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 [2021-11-20 23:38:55,666 INFO L933 BasicCegarLoop]: 15956 mSDtfsCounter, 9176 mSDsluCounter, 8524 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9180 SdHoareTripleChecker+Valid, 23641 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:38:55,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9180 Valid, 23641 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2588 Invalid, 3 Unknown, 0 Unchecked, 22.6s Time] [2021-11-20 23:38:55,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44772 states. [2021-11-20 23:38:58,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44772 to 44719. [2021-11-20 23:38:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44719 states, 28456 states have (on average 1.3692367163339894) internal successors, (38963), 29769 states have internal predecessors, (38963), 13638 states have call successors, (13638), 2671 states have call predecessors, (13638), 2624 states have return successors, (16350), 13007 states have call predecessors, (16350), 13637 states have call successors, (16350) [2021-11-20 23:38:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44719 states to 44719 states and 68951 transitions. [2021-11-20 23:38:58,922 INFO L78 Accepts]: Start accepts. Automaton has 44719 states and 68951 transitions. Word has length 470 [2021-11-20 23:38:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:38:58,924 INFO L470 AbstractCegarLoop]: Abstraction has 44719 states and 68951 transitions. [2021-11-20 23:38:58,925 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) [2021-11-20 23:38:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 44719 states and 68951 transitions. [2021-11-20 23:38:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2021-11-20 23:38:59,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:38:59,202 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] [2021-11-20 23:38:59,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:38:59,202 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:38:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:38:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1932443611, now seen corresponding path program 1 times [2021-11-20 23:38:59,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:38:59,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644661850] [2021-11-20 23:38:59,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:59,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:39:00,128 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:39:00,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323409288] [2021-11-20 23:39:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:39:00,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:39:00,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:39:00,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:39:00,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:39:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:39:04,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 15093 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:39:04,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:39:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4594 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4594 trivial. 0 not checked. [2021-11-20 23:39:06,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:39:06,893 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:39:06,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644661850] [2021-11-20 23:39:06,893 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:39:06,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323409288] [2021-11-20 23:39:06,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323409288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:39:06,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:39:06,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:39:06,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139243154] [2021-11-20 23:39:06,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:39:06,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:39:06,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:39:06,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:39:06,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:39:06,897 INFO L87 Difference]: Start difference. First operand 44719 states and 68951 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) [2021-11-20 23:39:09,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:11,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:16,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:22,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:39:25,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:27,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:39:29,274 INFO L93 Difference]: Finished difference Result 68010 states and 105224 transitions. [2021-11-20 23:39:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:39:29,275 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 [2021-11-20 23:39:29,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:39:30,051 INFO L225 Difference]: With dead ends: 68010 [2021-11-20 23:39:30,051 INFO L226 Difference]: Without dead ends: 68007 [2021-11-20 23:39:30,091 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 [2021-11-20 23:39:30,092 INFO L933 BasicCegarLoop]: 9809 mSDtfsCounter, 8185 mSDsluCounter, 6344 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8188 SdHoareTripleChecker+Valid, 15522 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:39:30,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8188 Valid, 15522 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1573 Invalid, 5 Unknown, 0 Unchecked, 20.9s Time] [2021-11-20 23:39:30,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68007 states. [2021-11-20 23:39:33,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68007 to 67156. [2021-11-20 23:39:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67156 states, 43301 states have (on average 1.37340939008337) internal successors, (59470), 45175 states have internal predecessors, (59470), 19765 states have call successors, (19765), 4216 states have call predecessors, (19765), 4089 states have return successors, (24542), 18661 states have call predecessors, (24542), 19764 states have call successors, (24542) [2021-11-20 23:39:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67156 states to 67156 states and 103777 transitions. [2021-11-20 23:39:33,720 INFO L78 Accepts]: Start accepts. Automaton has 67156 states and 103777 transitions. Word has length 728 [2021-11-20 23:39:33,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:39:33,724 INFO L470 AbstractCegarLoop]: Abstraction has 67156 states and 103777 transitions. [2021-11-20 23:39:33,724 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) [2021-11-20 23:39:33,724 INFO L276 IsEmpty]: Start isEmpty. Operand 67156 states and 103777 transitions. [2021-11-20 23:39:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1249 [2021-11-20 23:39:34,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:39:34,881 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 24, 16, 15, 15, 14, 14, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 8, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:39:34,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:39:35,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:39:35,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:39:35,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:39:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 939381736, now seen corresponding path program 1 times [2021-11-20 23:39:35,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:39:35,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251455905] [2021-11-20 23:39:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:39:35,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:39:36,150 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:39:36,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985759575] [2021-11-20 23:39:36,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:39:36,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:39:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:39:36,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:39:36,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:39:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:39:41,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 18816 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:39:41,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:39:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6649 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 5696 trivial. 0 not checked. [2021-11-20 23:39:43,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:39:43,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:39:43,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251455905] [2021-11-20 23:39:43,814 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:39:43,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985759575] [2021-11-20 23:39:43,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985759575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:39:43,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:39:43,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:39:43,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105742714] [2021-11-20 23:39:43,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:39:43,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:39:43,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:39:43,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:39:43,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:39:43,819 INFO L87 Difference]: Start difference. First operand 67156 states and 103777 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 2 states have call successors, (192), 2 states have call predecessors, (192), 2 states have return successors, (190), 2 states have call predecessors, (190), 2 states have call successors, (190) [2021-11-20 23:39:45,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:49,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:52,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:55,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:39:59,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:40:05,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:40:07,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:40:11,754 INFO L93 Difference]: Finished difference Result 139525 states and 217524 transitions. [2021-11-20 23:40:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:40:11,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 2 states have call successors, (192), 2 states have call predecessors, (192), 2 states have return successors, (190), 2 states have call predecessors, (190), 2 states have call successors, (190) Word has length 1248 [2021-11-20 23:40:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:40:12,361 INFO L225 Difference]: With dead ends: 139525 [2021-11-20 23:40:12,361 INFO L226 Difference]: Without dead ends: 84204 [2021-11-20 23:40:12,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1247 GetRequests, 1246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:40:12,729 INFO L933 BasicCegarLoop]: 10695 mSDtfsCounter, 1493 mSDsluCounter, 9750 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 19541 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:40:12,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2041 Valid, 19541 Invalid, 2011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2004 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2021-11-20 23:40:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84204 states. [2021-11-20 23:40:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84204 to 67158. [2021-11-20 23:40:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67158 states, 43303 states have (on average 1.3733921437313812) internal successors, (59472), 45177 states have internal predecessors, (59472), 19765 states have call successors, (19765), 4216 states have call predecessors, (19765), 4089 states have return successors, (24542), 18661 states have call predecessors, (24542), 19764 states have call successors, (24542) [2021-11-20 23:40:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67158 states to 67158 states and 103779 transitions. [2021-11-20 23:40:17,216 INFO L78 Accepts]: Start accepts. Automaton has 67158 states and 103779 transitions. Word has length 1248 [2021-11-20 23:40:17,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:40:17,218 INFO L470 AbstractCegarLoop]: Abstraction has 67158 states and 103779 transitions. [2021-11-20 23:40:17,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 2 states have call successors, (192), 2 states have call predecessors, (192), 2 states have return successors, (190), 2 states have call predecessors, (190), 2 states have call successors, (190) [2021-11-20 23:40:17,219 INFO L276 IsEmpty]: Start isEmpty. Operand 67158 states and 103779 transitions. [2021-11-20 23:40:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2021-11-20 23:40:18,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:40:18,103 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 24, 16, 15, 15, 14, 14, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 8, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:40:18,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:40:18,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:40:18,316 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:40:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:40:18,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1006978783, now seen corresponding path program 1 times [2021-11-20 23:40:18,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:40:18,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605835405] [2021-11-20 23:40:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:18,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:40:19,334 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:40:19,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070377399] [2021-11-20 23:40:19,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:19,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:40:19,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:40:19,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:40:19,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:40:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:24,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 18822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:40:24,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:40:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6650 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 5697 trivial. 0 not checked. [2021-11-20 23:40:26,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:40:26,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:40:26,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605835405] [2021-11-20 23:40:26,569 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:40:26,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070377399] [2021-11-20 23:40:26,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070377399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:40:26,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:40:26,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:40:26,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298805604] [2021-11-20 23:40:26,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:40:26,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:40:26,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:40:26,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:40:26,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:40:26,574 INFO L87 Difference]: Start difference. First operand 67158 states and 103779 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 3 states have call successors, (192), 3 states have call predecessors, (192), 2 states have return successors, (190), 2 states have call predecessors, (190), 2 states have call successors, (190) [2021-11-20 23:40:28,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:32,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:35,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:39,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:42,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:45,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:40:47,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:40:49,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:40:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:40:51,486 INFO L93 Difference]: Finished difference Result 101771 states and 157404 transitions. [2021-11-20 23:40:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:40:51,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 3 states have call successors, (192), 3 states have call predecessors, (192), 2 states have return successors, (190), 2 states have call predecessors, (190), 2 states have call successors, (190) Word has length 1249 [2021-11-20 23:40:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:40:52,225 INFO L225 Difference]: With dead ends: 101771 [2021-11-20 23:40:52,226 INFO L226 Difference]: Without dead ends: 101768 [2021-11-20 23:40:52,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1248 GetRequests, 1247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:40:52,285 INFO L933 BasicCegarLoop]: 11708 mSDtfsCounter, 8141 mSDsluCounter, 5836 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8144 SdHoareTripleChecker+Valid, 16968 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:40:52,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8144 Valid, 16968 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1798 Invalid, 5 Unknown, 0 Unchecked, 22.7s Time] [2021-11-20 23:40:52,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101768 states. [2021-11-20 23:40:56,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101768 to 100717. [2021-11-20 23:40:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100717 states, 65590 states have (on average 1.3776947705442903) internal successors, (90363), 68302 states have internal predecessors, (90363), 28878 states have call successors, (28878), 6499 states have call predecessors, (28878), 6248 states have return successors, (36397), 27055 states have call predecessors, (36397), 28877 states have call successors, (36397) [2021-11-20 23:40:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100717 states to 100717 states and 155638 transitions. [2021-11-20 23:40:57,811 INFO L78 Accepts]: Start accepts. Automaton has 100717 states and 155638 transitions. Word has length 1249 [2021-11-20 23:40:57,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:40:57,823 INFO L470 AbstractCegarLoop]: Abstraction has 100717 states and 155638 transitions. [2021-11-20 23:40:57,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 3 states have call successors, (192), 3 states have call predecessors, (192), 2 states have return successors, (190), 2 states have call predecessors, (190), 2 states have call successors, (190) [2021-11-20 23:40:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 100717 states and 155638 transitions. [2021-11-20 23:40:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1268 [2021-11-20 23:40:58,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:40:58,619 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 24, 17, 16, 16, 14, 14, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 8, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:40:58,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:40:58,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:40:58,827 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:40:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:40:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash -761982597, now seen corresponding path program 2 times [2021-11-20 23:40:58,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:40:58,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078394284] [2021-11-20 23:40:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:58,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:40:59,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:40:59,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421749049] [2021-11-20 23:40:59,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:40:59,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:40:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:40:59,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:40:59,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:41:03,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-20 23:41:03,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:41:03,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 10816 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:41:03,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6754 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 6532 trivial. 0 not checked. [2021-11-20 23:41:05,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:41:05,639 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:41:05,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078394284] [2021-11-20 23:41:05,639 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:41:05,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421749049] [2021-11-20 23:41:05,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421749049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:05,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:41:05,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 23:41:05,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159486607] [2021-11-20 23:41:05,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:05,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:41:05,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:41:05,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:41:05,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:41:05,644 INFO L87 Difference]: Start difference. First operand 100717 states and 155638 transitions. Second operand has 8 states, 8 states have (on average 38.375) internal successors, (307), 6 states have internal predecessors, (307), 2 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 4 states have call predecessors, (153), 2 states have call successors, (153) [2021-11-20 23:41:07,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:10,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:17,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:18,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:25,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:28,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:35,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:41:45,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:41:58,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:58,589 INFO L93 Difference]: Finished difference Result 229989 states and 370086 transitions. [2021-11-20 23:41:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:41:58,590 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 38.375) internal successors, (307), 6 states have internal predecessors, (307), 2 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 4 states have call predecessors, (153), 2 states have call successors, (153) Word has length 1267 [2021-11-20 23:41:58,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:59,810 INFO L225 Difference]: With dead ends: 229989 [2021-11-20 23:41:59,811 INFO L226 Difference]: Without dead ends: 129307 [2021-11-20 23:42:00,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1267 GetRequests, 1260 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:42:00,407 INFO L933 BasicCegarLoop]: 10691 mSDtfsCounter, 1486 mSDsluCounter, 68631 mSDsCounter, 0 mSdLazyCounter, 7517 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 72961 SdHoareTripleChecker+Invalid, 7530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7517 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:00,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2031 Valid, 72961 Invalid, 7530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 7517 Invalid, 6 Unknown, 0 Unchecked, 47.8s Time] [2021-11-20 23:42:00,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129307 states. [2021-11-20 23:42:06,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129307 to 100897. [2021-11-20 23:42:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100897 states, 65725 states have (on average 1.376918980600989) internal successors, (90498), 68437 states have internal predecessors, (90498), 28878 states have call successors, (28878), 6499 states have call predecessors, (28878), 6293 states have return successors, (36480), 27100 states have call predecessors, (36480), 28877 states have call successors, (36480) [2021-11-20 23:42:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100897 states to 100897 states and 155856 transitions. [2021-11-20 23:42:07,224 INFO L78 Accepts]: Start accepts. Automaton has 100897 states and 155856 transitions. Word has length 1267 [2021-11-20 23:42:07,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:07,225 INFO L470 AbstractCegarLoop]: Abstraction has 100897 states and 155856 transitions. [2021-11-20 23:42:07,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 38.375) internal successors, (307), 6 states have internal predecessors, (307), 2 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 4 states have call predecessors, (153), 2 states have call successors, (153) [2021-11-20 23:42:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 100897 states and 155856 transitions. [2021-11-20 23:42:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1480 [2021-11-20 23:42:08,017 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:08,018 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 29, 29, 29, 24, 20, 17, 16, 16, 14, 14, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:42:08,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:42:08,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:42:08,219 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:08,220 INFO L85 PathProgramCache]: Analyzing trace with hash -511692549, now seen corresponding path program 1 times [2021-11-20 23:42:08,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:42:08,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59177823] [2021-11-20 23:42:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:08,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:42:09,158 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:42:09,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540183921] [2021-11-20 23:42:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:09,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:42:09,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:42:09,162 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:42:09,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13742472-222d-4a9a-b3f1-d167a5900486/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process